David Gahn, MD
NPI 1275523839 · Obstetrics & Gynecology Physician · Tahlequah, OK
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gahn, MD is a Obstetrics & Gynecology Physician provider in Tahlequah, OK (NPI 1275523839).
Provider details
- NPI number
- 1275523839
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 23211 (OK)
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
- 2005-10-25
- Last updated
- 2011-01-31
Frequently asked questions
- What is David Gahn's NPI number?
- David Gahn's National Provider Identifier (NPI) is 1275523839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gahn's specialty?
- David Gahn is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is David Gahn located?
- David Gahn's practice location on file with NPPES is 100 S Bliss Ave, Tahlequah, OK 74464-2512.
- What is David Gahn's phone number?
- The practice phone number listed in the NPPES registry for David Gahn is (918) 458-3360.
- Does David Gahn accept Medicare?
- David Gahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gahn's NPI active?
- Yes — David Gahn's NPI (1275523839) is active in the NPPES registry as of the last update on 2011-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.