Marshall Keltner, M.D.
NPI 1598746034 · Obstetrics & Gynecology Physician · Largo, FL
Marshall Keltner, M.D. is a Obstetrics & Gynecology Physician provider in Largo, FL (NPI 1598746034).
Provider details
- NPI number
- 1598746034
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME109823 (FL)
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
- 2005-11-10
- Last updated
- 2023-09-07
- Certified
- 2023-09-07
Frequently asked questions
- What is Marshall Keltner's NPI number?
- Marshall Keltner's National Provider Identifier (NPI) is 1598746034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Keltner's specialty?
- Marshall Keltner is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Keltner located?
- Marshall Keltner's practice location on file with NPPES is 1900 E Bay Dr, Largo, FL 33771-2218.
- What is Marshall Keltner's phone number?
- The practice phone number listed in the NPPES registry for Marshall Keltner is (727) 216-1420.
- Is Marshall Keltner's NPI active?
- Yes — Marshall Keltner's NPI (1598746034) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.