Jack Hamson, M.D.
NPI 1932633385 · Internal Medicine Physician · South Bend, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Hamson, M.D. is a Internal Medicine Physician provider in South Bend, WA (NPI 1932633385).
Provider details
- NPI number
- 1932633385
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD200995 (OR)
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
9 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 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 231 | 84 |
| Amlodipine Besylate | 172 | 64 |
| Losartan Potassium | 131 | 39 |
| Metoprolol Succinate | 126 | 43 |
| Gabapentin | 115 | 47 |
| Levothyroxine Sodium | 115 | 41 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-12
- Last updated
- 2022-02-12
- Certified
- 2022-02-12
Frequently asked questions
- What is Jack Hamson's NPI number?
- Jack Hamson's National Provider Identifier (NPI) is 1932633385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Hamson's specialty?
- Jack Hamson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Hamson located?
- Jack Hamson's practice location on file with NPPES is 826 Alder St, South Bend, WA 98586-4900.
- What is Jack Hamson's phone number?
- The practice phone number listed in the NPPES registry for Jack Hamson is (360) 875-5579.
- Does Jack Hamson accept Medicare?
- Jack Hamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Hamson's NPI active?
- Yes — Jack Hamson's NPI (1932633385) is active in the NPPES registry as of the last update on 2022-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.