DR. DAVID RICHARD GAHN MD
NPI 1275523839
Obstetrics & Gynecology in Tahlequah, OK
About Dr. David Richard Gahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID RICHARD GAHN MD (NPI 1275523839) is an individual obstetrics & gynecology provider in Tahlequah, Oklahoma, licensed in Oklahoma (23211) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tahlequah.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. David Richard Gahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show David Gahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tahlequah, OK 74464
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1275799645 (Texas)
- 9 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74464 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Gahn's NPI number?
The NPI number for David Gahn is 1275523839. It was assigned to this individual provider in the NPPES registry on October 25, 2005.
Where is David Gahn located?
David Gahn practices at 1325 E Boone St, Tahlequah, OK 74464. The listed phone number is (918) 458-7944.
What is David Gahn's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is David Gahn enrolled in Medicare?
Yes. David Gahn is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for David Gahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Gahn reassigns Medicare benefits to Cherokee Nation (Tahlequah, OK). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Gahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Gahn accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list David Gahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Gahn was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. David Richard Gahn, MD · NPI 1275523839
Obstetrics & Gynecology physician in Tahlequah, Oklahoma. Individual provider, active in the CMS NPPES registry since October 25, 2005.
## Identity
- **NPI:** 1275523839 (Entity type: Individual)
- **Enumerated:** October 25, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 23211 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1325 E BOONE ST, Tahlequah, OK 74464-3361
- **Phone:** (918) 458-7944
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cherokee Nation (NPI 1669628707, Tahlequah, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275523839) · Data from the CMS NPPES public registry.