Walter Irwin, D.O
NPI 1922153410 · Internal Medicine Physician · Hartwell, GA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Irwin, D.O is a Internal Medicine Physician provider in Hartwell, GA (NPI 1922153410).
Provider details
- NPI number
- 1922153410
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
- License
- 013566 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2014-05-06
Frequently asked questions
- What is Walter Irwin's NPI number?
- Walter Irwin's National Provider Identifier (NPI) is 1922153410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Irwin's specialty?
- Walter Irwin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Irwin located?
- Walter Irwin's practice location on file with NPPES is 77 W Gibson St, Hartwell, GA 30643-1845.
- What is Walter Irwin's phone number?
- The practice phone number listed in the NPPES registry for Walter Irwin is (706) 856-6973.
- Does Walter Irwin accept Medicare?
- Walter Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Irwin's NPI active?
- Yes — Walter Irwin's NPI (1922153410) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.