James Koerner, M.D.
NPI 1225037898 · Obstetrics & Gynecology Physician · Nacogdoches, TX
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Koerner, M.D. is a Obstetrics & Gynecology Physician provider in Nacogdoches, TX (NPI 1225037898).
Provider details
- NPI number
- 1225037898
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J3833 (TX)
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
- 2005-07-18
- Last updated
- 2019-07-11
Frequently asked questions
- What is James Koerner's NPI number?
- James Koerner's National Provider Identifier (NPI) is 1225037898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Koerner's specialty?
- James Koerner is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is James Koerner located?
- James Koerner's practice location on file with NPPES is 1018 N Mound St Ste 201, Nacogdoches, TX 75961-4434.
- What is James Koerner's phone number?
- The practice phone number listed in the NPPES registry for James Koerner is (936) 560-2763.
- Does James Koerner accept Medicare?
- James Koerner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Koerner's NPI active?
- Yes — James Koerner's NPI (1225037898) is active in the NPPES registry as of the last update on 2019-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.