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About

Oak Street Medical Assocs is a Needham, MA-based medical practice listed as an Information Technology & Services company in business directories. It operates as a private, active medical clinic with a small footprint (1 employee) and reported annual revenue around $6.9 million. The firm has multiple office locations, including a listed address in Eugene, Oregon (1426 Oak St, Eugene, 97401) and another in Needham, MA. Contact numbers associated with the organization include (541) 431-0000, which corresponds to the Eugene, OR location. Website: oakstreetmedical.com. Global web presence is limited, with modest monthly site visits and a high bounce rate. Top country: United States.

Clinic Type

Primary Care

Address

1426 Oak Street

Phone

(541) 431-0000

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Primary Care
  • Diabetes Care
  • Mental Health
  • Allergy
  • Asthma
  • Immunology

Insurance & Payment

Languages Spoken

  • English

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye (for Dr. Jane E. Mossberg): 5.0/5.0 stars based on 7 reviews (7 reviews)
  • Unilocal: Not explicitly rated on a scale in the snippet (9 reviews)

Patients praise

  • Highly praised physicians noted for being thorough, knowledgeable, and caring
  • Efficient office operations including functional online portal and short wait times
  • Positive experiences with support and nursing staff
  • Long-term patient satisfaction, with many remaining with the practice for years

Common complaints

  • Dissatisfaction with patient dismissal without clear explanation
  • Concerns regarding restrictive medication management policies, particularly for pain treatment
  • Occasional reports of administrative or staff issues by some patients

"These doctors really care about you. A very rare gem today. Doctor Liya Milgram is extremely knowledgeable, personable, well organized and really cares about the health and the quality of life of her patients."

Loc8NearMe

"After what I perceived as a successful physical with Dr. Jessica Lohff-Phillips, I had a blood test at her request. After I had my labs sent to her I received a letter telling me that Oak Street Medical would no longer serve me. THERE WAS NO EXPLANATION why they had 'fired' me."

Unilocal

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Eugene, OR·Primary Care

Oregon Medical Group (OMG) is a primary care–focused multi-specialty medical group based in Eugene, Oregon, with 14 offices in Eugene and Springfield. It offers family medicine and internal medicine physicians, plus pediatrics and OB/GYN, along with specialty services (orthopedics, ENT, dermatology, neurology, rheumatology, etc.). Services include virtual care, lab and imaging, infusion, travel medicine, physical therapy, and patient resources (billing, insurance, medical records). Headquarters: 1580 Valley River Dr, Eugene. Contact: info@oregonmed.net; (541) 687-4900.

VerifiedOnline bookingSince 1988

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