Robert Sumner, MD
NPI 1477300119 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sumner, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1477300119).
Provider details
- NPI number
- 1477300119
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R80999 (AZ)
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
2 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
- 2024-05-01
- Last updated
- 2024-06-30
- Certified
- 2024-06-30
Frequently asked questions
- What is Robert Sumner's NPI number?
- Robert Sumner's National Provider Identifier (NPI) is 1477300119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sumner's specialty?
- Robert Sumner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sumner located?
- Robert Sumner's practice location on file with NPPES is 7901 E 22nd St, Tucson, AZ 85710-8509.
- What is Robert Sumner's phone number?
- The practice phone number listed in the NPPES registry for Robert Sumner is (520) 694-8888.
- Does Robert Sumner accept Medicare?
- Robert Sumner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sumner's NPI active?
- Yes — Robert Sumner's NPI (1477300119) is active in the NPPES registry as of the last update on 2024-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.