Robert Rierson, MD
NPI 1053373100 · Obstetrics & Gynecology Physician · Phoenix, AZ
Robert Rierson, MD is a Obstetrics & Gynecology Physician provider in Phoenix, AZ (NPI 1053373100).
Provider details
- NPI number
- 1053373100
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 7662 (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
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
- 2006-04-04
- Last updated
- 2013-07-18
Frequently asked questions
- What is Robert Rierson's NPI number?
- Robert Rierson's National Provider Identifier (NPI) is 1053373100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Rierson's specialty?
- Robert Rierson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Rierson located?
- Robert Rierson's practice location on file with NPPES is 1300 N 12th St, Phoenix, AZ 85006-2848.
- What is Robert Rierson's phone number?
- The practice phone number listed in the NPPES registry for Robert Rierson is (602) 839-4915.
- Is Robert Rierson's NPI active?
- Yes — Robert Rierson's NPI (1053373100) is active in the NPPES registry as of the last update on 2013-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.