John Geisler, MD
NPI 1437146081 · Gynecologic Oncology Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Gynecological Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Geisler, MD is a Gynecologic Oncology Physician provider in Fort Wayne, IN (NPI 1437146081).
Provider details
- NPI number
- 1437146081
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01044147A (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
- 2005-09-29
- Last updated
- 2019-05-24
Frequently asked questions
- What is John Geisler's NPI number?
- John Geisler's National Provider Identifier (NPI) is 1437146081, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Geisler's specialty?
- John Geisler is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Geisler located?
- John Geisler's practice location on file with NPPES is 2510 E Dupont Rd Ste 236, Fort Wayne, IN 46825-1603.
- What is John Geisler's phone number?
- The practice phone number listed in the NPPES registry for John Geisler is (260) 458-3760.
- Does John Geisler accept Medicare?
- John Geisler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Geisler's NPI active?
- Yes — John Geisler's NPI (1437146081) is active in the NPPES registry as of the last update on 2019-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.