Robert Nelson, MD, PHD
NPI 1447589478 · Internal Medicine Physician · Phoenix, AZ
Robert Nelson, MD, PHD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1447589478).
Provider details
- NPI number
- 1447589478
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 15217 (AZ)
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
16 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
- 2009-12-22
- Last updated
- 2009-12-22
Frequently asked questions
- What is Robert Nelson's NPI number?
- Robert Nelson's National Provider Identifier (NPI) is 1447589478, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Nelson's specialty?
- Robert Nelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Nelson located?
- Robert Nelson's practice location on file with NPPES is 1550 E Indian School Rd, Phoenix, AZ 85014-4972.
- What is Robert Nelson's phone number?
- The practice phone number listed in the NPPES registry for Robert Nelson is (602) 200-5205.
- Is Robert Nelson's NPI active?
- Yes — Robert Nelson's NPI (1447589478) is active in the NPPES registry as of the last update on 2009-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.