Robert Grigsby, M.D.
NPI 1245248475 · General Practice Physician · St Johns, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Grigsby, M.D. is a General Practice Physician provider in St Johns, FL (NPI 1245248475).
Provider details
- NPI number
- 1245248475
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME34609 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-03
- Last updated
- 2021-09-17
- Certified
- 2021-09-17
Frequently asked questions
- What is Robert Grigsby's NPI number?
- Robert Grigsby's National Provider Identifier (NPI) is 1245248475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Grigsby's specialty?
- Robert Grigsby is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Grigsby located?
- Robert Grigsby's practice location on file with NPPES is 42 Doctors Village Dr, St Johns, FL 32259-2245.
- What is Robert Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Robert Grigsby is (904) 230-5000.
- Does Robert Grigsby accept Medicare?
- Robert Grigsby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Grigsby's NPI active?
- Yes — Robert Grigsby's NPI (1245248475) is active in the NPPES registry as of the last update on 2021-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.