Best Primary Care clinics in Lewiston (ID, ME).

St. Joseph Regional Medical Center (Lewiston, ID) is a private Nonprofit hospital part of LifePoint Health. Founded in 1902 and based in Lewiston, it operates as a regional medical center with primary and urgent care services, plus rehabilitation and general health care. The organization employs about 145 people, serves the Lewiston area, and lists contact options including marketing@sjrmc.org and phone numbers 208-743-2511. Addresses point to its Lewiston HQ at 415 Sixth Street, Lewiston, ID 83501. If you’re seeking Primary Care in Lewiston, SJRM Group offers local primary and urgent care under the St. Joseph Regional Medical Center umbrella.

Summary: Central Maine Family Practice at Central Maine Healthcare (CMH) is part of the nonprofit health system headquartered in Lewiston, ME. CMH operates multiple primary care services, including internal medicine and family medicine, across its network of locations in central and western Maine. The organization offers primary care, as well as related services such as cancer, cardiovascular, orthopedic, women’s and children’s health, surgical services, and patient support. Specifically for Lewiston, CMH’s Central Maine Medical Center serves as a major facility in the system, with primary care and specialty offerings and a presence in the Lewiston area. If you’re seeking a family practice in Lewiston, CMH is a central option within their network.

TriState Health is a nonprofit, community-owned hospital serving the Lewis Clark Valley (Washington, Idaho, Oregon) since 1955. Based in Clarkston, WA, it operates a DNV GL-accredited critical access facility plus multiple clinics on an 11-acre campus, including TriState Medical Office Building and affiliated services (Pathologists’ Regional Laboratory, Owl Tri-State Pharmacy, Evergreen Estates Retirement & Assisted Living). The organization provides primary care through TriState Family Practice and other specialty clinics, with ongoing community impact programs. Recent additions include new primary care providers in 2026 (e.g., Alishia West, FNP-C, and Cory A. Brown, DPM). Contact: info@tsmh.org; main phone numbers 509.758.5511 and 509.769.2215. Headquarters: 1221 Highland Ave, Clarkston, WA 99403.