James Hammesfahr, M.D.
NPI 1235187733 · Specialist · Marietta, GA
James Hammesfahr, M.D. is a Specialist provider in Marietta, GA (NPI 1235187733).
Provider details
- NPI number
- 1235187733
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- License
- 020113 (GA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$140 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Hammesfahr's NPI number?
- James Hammesfahr's National Provider Identifier (NPI) is 1235187733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Hammesfahr's specialty?
- James Hammesfahr is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is James Hammesfahr located?
- James Hammesfahr's practice location on file with NPPES is 1211 Johnson Ferry Rd, Marietta, GA 30068-2722.
- What is James Hammesfahr's phone number?
- The practice phone number listed in the NPPES registry for James Hammesfahr is (770) 565-0011.
- Is James Hammesfahr's NPI active?
- Yes — James Hammesfahr's NPI (1235187733) 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.