Robert Rankin, M.D.
NPI 1174507966 · Gastroenterology Physician · Oklahoma City, OK
Robert Rankin, M.D. is a Gastroenterology Physician provider in Oklahoma City, OK (NPI 1174507966).
Provider details
- NPI number
- 1174507966
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12787 (OK)
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
- 2005-12-05
- Last updated
- 2011-08-10
Frequently asked questions
- What is Robert Rankin's NPI number?
- Robert Rankin's National Provider Identifier (NPI) is 1174507966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Rankin's specialty?
- Robert Rankin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Rankin located?
- Robert Rankin's practice location on file with NPPES is 3366 Nw Expressway, Oklahoma City, OK 73112-4462.
- What is Robert Rankin's phone number?
- The practice phone number listed in the NPPES registry for Robert Rankin is (405) 702-1300.
- Is Robert Rankin's NPI active?
- Yes — Robert Rankin's NPI (1174507966) is active in the NPPES registry as of the last update on 2011-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.