John Mershon, MD
NPI 1649763244 · Obstetrics & Gynecology Physician · Indianapolis, IN
John Mershon, MD is a Obstetrics & Gynecology Physician provider in Indianapolis, IN (NPI 1649763244).
Provider details
- NPI number
- 1649763244
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01055667A (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
8 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
- 2018-06-08
- Last updated
- 2018-06-08
Frequently asked questions
- What is John Mershon's NPI number?
- John Mershon's National Provider Identifier (NPI) is 1649763244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mershon's specialty?
- John Mershon is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mershon located?
- John Mershon's practice location on file with NPPES is 2596 N Girls School Rd, Indianapolis, IN 46214-2105.
- What is John Mershon's phone number?
- The practice phone number listed in the NPPES registry for John Mershon is (317) 244-3387.
- Is John Mershon's NPI active?
- Yes — John Mershon's NPI (1649763244) is active in the NPPES registry as of the last update on 2018-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.