James Hamaker, MD
NPI 1235196700 · Internal Medicine Physician · Indianapolis, IN
James Hamaker, MD is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1235196700).
Provider details
- NPI number
- 1235196700
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01022604A (IN)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2009-07-27
Frequently asked questions
- What is James Hamaker's NPI number?
- James Hamaker's National Provider Identifier (NPI) is 1235196700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hamaker's specialty?
- James Hamaker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Hamaker located?
- James Hamaker's practice location on file with NPPES is 1002 Wishard Blvd, Indianapolis, IN 46202-2872.
- What is James Hamaker's phone number?
- The practice phone number listed in the NPPES registry for James Hamaker is (317) 692-2323.
- Is James Hamaker's NPI active?
- Yes — James Hamaker's NPI (1235196700) is active in the NPPES registry as of the last update on 2009-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.