
Highlights
Age Groups Seen
- Adults
- Geriatrics
Languages
- Swedish
- Spanish
- English
Gender
FemaleLocations
- Mass General Brigham Primary Care Clinic
- 173 Worcester Street, Wellesley, MA 02481
- Get Directions
- phone: 617-831-7420
- fax: 617-831-7422
Expertise
Education
- Fellowship: Tufts Medical Center, Infectious Diseases, 2009
- Residency: MetroWest Medical Center, Chief resident, 2006
- Residency: MetroWest Medical Center, Internal Medicine, 2005
- Internship: MetroWest Medical Center, Internal Medicine, 2003
- Medical Education: Karolinska Institut, School of Medicine, 2001
Board Certifications
- Internal Medicine: American Board of Internal Medicine, 2005
Insurance
- Aetna
- Blue Cross Blue Shield
- Cigna
- Coventry
- Harvard Pilgrim Health Care
- Mass General Brigham Health Plan
- MassHealth
- MassHealth ACO
- Medicare
- Medicare ACO
- Multiplan
- Railroad Medicare
- Tricare
- Tufts Health Plan
- Tufts Medicare Preferred
- United Health Care
- Wellpoint
Ratings & Reviews
4.9 out of 5
289 ratings, 114 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- Reviewed on 2/4/2026
Very happy and satisfied with the care provided by Dr. Hjalmarson; she is very professional and thorough every visit.
- Reviewed on 2/6/2026
She was very kind, very professional, explained everything thoroughly to me. I would definitely go back to see her again.
- Reviewed on 2/4/2026
My doctor was significantly late, when she humanized it by sharing briefly why, it meant the world to me and defused my annoyance.
- Reviewed on 2/6/2026
The doctor was very knowledgeable and kind. I would recommend her to anyone who asked.
- Reviewed on 1/29/2026
I very much like this practice, my PCP, and the entire staff at the office.
- Reviewed on 1/29/2026
Excellent communication. Great listening skills and compassion. Very knowledgeable.
- Reviewed on 1/29/2026
Hello, I had great experience and on the first question I couldn't hear what they were saying because I had the television on and I pressed that I didn't, I pressed one instead of four. Everything went beautiful and I don't know if the lady that took my weight and everything was a nurse or not. And I there I said no, I didn't see a nurse, but I don't know. Maybe she was. I see her every time I go there. She's very lovely. Everybody was wonderful there. I have no complaints or anything. I had a great visit and I always do. I've never had a problem going to this doctor. Thank you.
- Reviewed on 1/28/2026
Karin Hjalmarsin is an excellent PC physician
- Reviewed on 1/26/2026
Dr Hjalmarson listens and spends whatever time is necessary. She is knowledgeable, kind and upbeat! I'm fortunate to have her as my Primary Care Physician!
- Reviewed on 1/25/2026
She was thorough and listened & respectful and was obviously concerned about my health and wanted to help
- Reviewed on 1/21/2026
I felt confident in the information that my doctor provides. She is knowledgeable and curious, a great listener and explains things to me in a way I understand and facilitates a dialogue as opposed to more direct techniques or worse leaving an office feeling like the doctor knew something that I didn't and they didn't tell me. I've always appreciated this about her and her humanity is evident.
- Reviewed on 1/21/2026
Excellent experience. She listened and provided useful information.
- Reviewed on 1/21/2026
I changed insurance providers so I could remain in network with this provider.
- Reviewed on 1/19/2026
The doctor was fantastic. Thorough, knowledgeable and kind. Explained what would be happening in advance so there were no surprises.
- Reviewed on 1/15/2026
I was very pleased with my visit with Dr. Hjalmarson. She's been my PCP for about two or three years and I feel really good about the care she provides and I believe that she is an excellent physician and I will continue to use her.
- Reviewed on 1/10/2026
Excellent work
- Reviewed on 12/31/2025
Saw a new doctor she seemed like she was good in telling me what to take
- Reviewed on 12/31/2025
Excellent physician. Easy to talk to. Knowledgeable.
- Reviewed on 12/24/2025
Every one was great
- Reviewed on 12/21/2025
This was a positive experience. Dr Hjalmarson is a ray of sunshine.
- Reviewed on 12/19/2025
Dr. Hjalmarson is a fantastic doctor and a wonderful physician. She's very thorough, seems focused on preventative care and overall health. She also seems focused on not just, I don't know, traditional body-based medical issues, but also on mental health, which I think is good and modern. She's great. I would recommend her to anyone.
- Reviewed on 12/17/2025
She's great
- Reviewed on 12/16/2025
Excellent, considerate, conscientious, knowledgeable, kind
- Reviewed on 12/16/2025
Dr. Hjalmarson is a fantastic primary care physician. I hope MGB/NWH will be able to retain her
- Reviewed on 12/11/2025
Dr. Hjalmarson is so attentive, kind, knowledgeable and feel so confident being cared for under her care.
- Reviewed on 12/9/2025
it was comfortable
- Reviewed on 12/7/2025
Awesome. This was my first visit. She was amazing. I was a patient of another practice outside of Mass General. Such a total different experience. You are lucky to have her! I am too!
- Reviewed on 11/29/2025
Dr. H was extremely effective in helping decide what should be done for a problem.
- Reviewed on 11/28/2025
The nurse was great at explaining everything and she was right on time. It was a great visit. Thank you.
- Reviewed on 11/27/2025
Very professional and courteous
- Reviewed on 11/26/2025
This provider was helpful and good attention to details. I had her for a second year and she is very consistent.
- Reviewed on 11/24/2025
Dr. Hjalmarson has a great bedside manner and seemed genuinely interested in the health conditions I was having. She wasn't rushed and gave me a thorough exam. I also liked that she followed up on my blood test results the day after I had them done.
- Reviewed on 11/23/2025
The quality of medical care is exceptional.
- Reviewed on 11/22/2025
Dr Hjamasten always is supportive, caring, knowledgeable, and professional in my care.
- Reviewed on 11/21/2025
MD was direct and approachable. She listened. Good doctor
- Reviewed on 11/20/2025
excellent
- Reviewed on 11/20/2025
I always feel comfortable asking questions and receive very through answers especially about any concerns I have about medications.
- Reviewed on 11/26/2025
The visit was very good but I felt it ended faster then I expected.
- Reviewed on 11/12/2025
I am very satisfied with the care I receive from Dr Hjalmarson.
- Reviewed on 11/13/2025
Good quality care.
- Reviewed on 11/12/2025
She is excellent!
- Reviewed on 11/10/2025
Dr. Hjalmarson is always very professional, very thorough. The thing I appreciate most about her as a doctor, as my doctor, is her willingness to listen and answer questions that I may have about care.
- Reviewed on 11/8/2025
Fr and staff were excellent
- Reviewed on 11/8/2025
Excellent
- Reviewed on 11/7/2025
Dr. Hjalmarson is an excellent general practitioner. I feel very fortunate to have her taking care of my care. I think she's at the top of her profession and feel very fortunate to have her taking care of me. Thank you.
- Reviewed on 11/6/2025
The doctor was very nice, warm and professional at the same time. She listened to me and used my input to help diagnose my problems. I liked her very much!
- Reviewed on 11/5/2025
Dr. Hjalmarson is very thorough and asks appropriate questions about my past medical concerns and problems. She is a very good listener. She follows up as needed in a timely manner. She refers me to other specialists when the situation calls for that. She is one of the best primary care doctors I have had.
- Reviewed on 10/30/2025
I was expecting a call after my test results since I needed to be put on a medication. Instead I had to call the on-call practice. The on-call nurse was great!
- Reviewed on 10/31/2025
Dr. Hjalmarson was great in terms of making sure that I had blood work done to ensure that there was no other issues with the virus symptoms I had and it turns out because of the blood work she ordered that I did have some issues in my liver and I'm following up with that. So I thank her for that because she was very thorough in making sure that there was nothing else going on with my symptoms. So thank you Dr. Hjalmarson .
- Reviewed on 10/30/2025
Excellent care and concern.
- Reviewed on 10/26/2025
They are excellent, keep up the good work!
- Reviewed on 10/21/2025
She listened well, was kind and empathetic and she took me seriously. She thought logically about the problem and ordered tests I agreed would help us understand what was going on.
- Reviewed on 10/20/2025
Excellent
- Reviewed on 10/18/2025
I like this practice and my doctor so much. I feel well cared for.
- Reviewed on 10/16/2025
She is THE ABSOLUTE BEST!!!
- Reviewed on 10/15/2025
Dr. Hjalmarson is a great listener and empathetic. She is very thorough and explains everything well. A wonderful and considerate petson!
- Reviewed on 10/15/2025
Dr Hjarlmarson is an exemplary PCP in every aspect of my care. She takes her time with me during any visit I have had with her. I feel thoroughly pleased and confident in having Dr Hjarlmarson for my PCP for many years to come!
- Reviewed on 10/11/2025
I like my doctor
- Reviewed on 10/8/2025
This care provider is articulate and knowledgeable. She has a caring personality.
- Reviewed on 10/8/2025
She is fabulous. I'm so glad she is my PCP!
- Reviewed on 10/9/2025
Dr. Karin Hjalmarson has a unique combination of great "bed" manners and deep medical knowledge. She listens attentively to her patients and reacts immediately by giving comprehensive advices. She remembers who you are and what health problems you have been experiencing.
- Reviewed on 10/8/2025
I like to thank Dr. Hjalmarson for taking care of me! She really care about my health and well being !! I am very grateful!!
- Reviewed on 10/8/2025
She is a very good listener.
- Reviewed on 10/2/2025
Always a pleasant experience.
- Reviewed on 10/2/2025
Excellent, excellent doctor. The best I ever had so far.
- Reviewed on 9/25/2025
My doctor was very up to date on all my medical issues which I experienced over this past year. She gave me suggested various things I should discuss with my care team members. I give her a rating of 11 plus for my visit.
- Reviewed on 9/24/2025
I love Dr. Hjalmarson and all the staff. Very approachable and professional!
- Reviewed on 9/25/2025
Dr HJALMARSON was very professional and caring. I would highly recommend her.
- Reviewed on 9/24/2025
I am very glad to have her as my pcp. Could not be better in any way.
- Reviewed on 9/24/2025
Dr. Hjalmarson is wonderful. I feel very blessed to have her as my primary care physician. She is knowledgeable, patient, thorough, a very good listener, empathetic and highly competent.
- Reviewed on 9/24/2025
I think the provider is excellent. [redacted] She's phenomenal. I would love to be able to have my yearly physical with her, and I would love for my entire family to see her.
- Reviewed on 9/25/2025
Great SERVICE
- Reviewed on 9/17/2025
She is quite knowledgeable, spending enough time with patients . She explains a full detail of the patient's condition ,I am quite happy that she is my health provider.
- Reviewed on 9/17/2025
This was my first visit with Dr. Hjalmarson. She was very attentive and thorough. She listened to my concerns and had suggestions to follow. I felt very comfortable with her.
- Reviewed on 9/10/2025
The front desk staff were great helping me upload something to the partners portal.
- Reviewed on 9/10/2025
Dr. Hjalmarson is always understanding of my concerns. She provides clear explanations of any medical tests and I feel she is providing me with very high quality care.
- Reviewed on 9/10/2025
She is by far the best primary i have ever had. I feel understood!
- Reviewed on 9/6/2025
All of the people I dealt with were excellent. I am very pleased with the medical care I receive from my doctor. She listens, asks appropriate questions and has an excellent, caring manner.
- Reviewed on 8/20/2025
Always feel very comfortable with Dr. Hjalmarson as my PCP. [redacted]
- Reviewed on 8/20/2025
Very thorough on reviewing past medical issues. Offered to contact other doctors to follow up on my visit with them.
- Reviewed on 8/17/2025
Very caring easy to speak to. Knowable
- Reviewed on 8/17/2025
Dr. Hjalmarson is wonderful, kind, caring, and treats me like she would treat her own mother. I have nothing but the best to say about her.
- Reviewed on 8/14/2025
Dr Hjalmarson made this first session an excellent way to learn about my medical history and listen to and answer some of my current medical questions. She also had one of the nurses remove excess wax from my left ear.
- Reviewed on 8/13/2025
I like my doctor and I have moved out of the area, but still drive back to see her. I feel like I get very good care from her, and I have only had positive experiences.
- Reviewed on 8/12/2025
Dr. Hjalmarson was very thorough and also helpful. She was easy to talk to, listened to my questions and answered them thoroughly
- Reviewed on 8/6/2025
Doctor was very good about explaining things, and helped me schedule lab work that same morning on site. She also followed up with a timely message on Patient Gateway.
- Reviewed on 7/30/2025
She has experience and will to spend the time to talk about anything. I can tell she took time to look over my blood test results. Very good for all her responsibilities.
- Reviewed on 7/30/2025
Always the Best!!
- Reviewed on 7/27/2025
Very informative and helpful visit. This was my first visit with Dr. Hjalmarson. I felt very comfortable speaking with her.
- Reviewed on 7/23/2025
My provider spent adequate time explaining my care and some possible new addition to my prescriptions. She was though, caring and very approachable. She answered any questions I had. Her follow up letter/message was again thorough and left me fully acquainted with my progress and any new actions to be taken.
- Reviewed on 7/21/2025
This was my first visit with Dr. H. She had reviewed my medical history in advance and had specific questions and suggestions. She listened to my responses and questions, and gave intelligent answers. I hope to have a long dr-patient relationship.
- Reviewed on 7/20/2025
Dr. Hjamarson is a welcome member of my medical "family." She is a great listener and offers thoughtful and knowledgeable feedback. When I see her, it is evident that she is up-to-date on what's been happening in my medical life since our last visit which I truly appreciate!
- Reviewed on 7/13/2025
She is excellent
- Reviewed on 7/13/2025
My experience was very good . Everyone was pleasant, friendly, courteous and professional.
- Reviewed on 6/21/2025
Dr. HjaLmarson is always pleasant, profestional , and prepared for my visits.
- Reviewed on 6/19/2025
Excellent service Local to my residence Very timely appt
- Reviewed on 6/12/2025
I had a good experience with all the care takers. My PCP was attentive to my concerns.
- Reviewed on 6/13/2025
Excellent visit. Listened to my concerns and responded appropriately.
- Reviewed on 6/11/2025
Very good
- Reviewed on 6/9/2025
Excellent experience, great communication and very thorough. Explained everything, and we discussed all my medical issues in detail.
- Reviewed on 6/8/2025
Dr. Hjarlmarson listens and engages. She's the best physician that I've ever had. She practices the way I would hope for anyone with a primary care doctor.
- Reviewed on 6/5/2025
Great visit as always . Dr Hjalmarson and her assistant [redacted] are the best so professional/ respectful and knowledgeable. I feel very fortunate to be in their care for so long.
- Reviewed on 6/4/2025
She is caring and personable.
- Reviewed on 5/28/2025
First time meeting my doc,although she's been my doc for 2 years.Im really thankful to have her,she was a breath of fresh air,spent a lot of time with me, listened and didn't pressure me at all about trying new meds.Feel like I hit the lottery!
- Reviewed on 5/23/2025
She listened to my needs and allocated the appropriate test with follow up details.
- Reviewed on 5/19/2025
Dr. Hjalmarson is great. She sees me very quickly. There's really no waiting time. Understands my health history well and gives me great guidance. It's appreciated. Thank you.
- Reviewed on 5/7/2025
Excellent communication skills, well versed professionally, easy to talk with and listens. Follow up was prompt
- Reviewed on 5/1/2025
I looove Dr. Hjalmarson, she is the best. Very attentive, very knowledgeable. I am happy that she is my provider.
- Reviewed on 5/1/2025
Dr Hjalmarson is very thorough and attentive. Answers all my questions and concerns, and provides a plan for resolving the issues.
- Reviewed on 5/1/2025
Dr Hjalmarson is the best PCP I have had in many years. I wish all doctors took a page from her playbook.
- Reviewed on 4/25/2025
Very kind & thoughtful!
- Reviewed on 4/22/2025
Very approachable and professional!
- Reviewed on 4/14/2025
Dr. Hjalmarson and her staff were, and always are fantastic. I enjoy our conversations whether we are talking about my medical issues or just in general conversation. It is all part of the reason that I do not change to any of the other programs available.
- Reviewed on 4/14/2025
Dr. Hjalmarson is a wonderful provider. Compassionate, respectful and intelligent. I feel fortunate to have her as my PCP.