Stephan Fihn, MD
NPI 1225098320 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephan Fihn, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1225098320).
Provider details
- NPI number
- 1225098320
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00016664 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 58 | 18 |
| Omeprazole | 47 | 13 |
| Amlodipine Besylate | 46 | — |
| Gabapentin | 36 | — |
| Simvastatin | 31 | — |
| Fluticasone Propionate | 31 | — |
| Triamcinolone Acetonide | 29 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephan Fihn's NPI number?
- Stephan Fihn's National Provider Identifier (NPI) is 1225098320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephan Fihn's specialty?
- Stephan Fihn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephan Fihn located?
- Stephan Fihn's practice location on file with NPPES is 1100 Minor Ave, Seattle, WA 98101-4204.
- What is Stephan Fihn's phone number?
- The practice phone number listed in the NPPES registry for Stephan Fihn is (206) 764-2651.
- Does Stephan Fihn accept Medicare?
- Stephan Fihn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephan Fihn's NPI active?
- Yes — Stephan Fihn's NPI (1225098320) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.