Quick answers
- Which hospitals does Jason A. Yahwak work at?
- Medicare's official clinician data lists Jason A. Yahwak at 5 hospitals: MaineHealth Maine Medical Center, MaineHealth Stephens Hospital, Northern Light Mercy Hospital, The Memorial Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason A. Yahwak see patients?
- Medicare's clinician data lists 4 practice locations, including South Portland, ME, Portland, ME and Westbrook, ME. Call before your visit to confirm the address.
- What is Jason A. Yahwak's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists).
- Does Jason A. Yahwak accept Medicare assignment?
- Yes. Medicare's clinician data says Jason A. Yahwak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Jason A. Yahwak offer telehealth?
- Medicare's clinician data says Jason A. Yahwak offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jason A. Yahwak?
- (207) 828-1122, as listed in official Medicare / NPI Registry data.
- What is Jason A. Yahwak's NPI number?
- 1598868747. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason A. Yahwak works
Medicare's Facility Affiliation Data lists Jason A. Yahwak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
- MaineHealth Stephens HospitalNorway, ME · Critical Access Hospital · CCN 201315
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · CCN 200008
- The Memorial HospitalNorth Conway, NH · Critical Access Hospital · CCN 301307
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Jason A. Yahwak is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Foden Rd, Suite 103South Portland, ME 04106 (207) 828‑1122
- 155 Rover River PkwyPortland, ME 04102 (207) 879‑3000
- 175 Fore River PkwyPortland, ME 04102 (207) 879‑3000
- 40 Park RdWestbrook, ME 04092 (207) 857‑8174
Group practices
Medicare enrollment lists Jason A. Yahwak as a member of these groups (CMS data updated 2026-10-02).
- Mercy Hospital301 clinicians in the group
- Chest Medicine Associates PA30 clinicians in the group
Specialties
Other internal medicine doctors in South Portland
Clinicians with the same Medicare primary specialty in South Portland, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598868747 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians