NPPES file of Aug 9, 2026

Robert Dean Rierson, MD

Obstetrics & Gynecology Physician · Phoenix, AZ

Robert Dean Rierson, MD is an obstetrics & gynecology physician with a practice address in Phoenix, Arizona, and NPI 1053373100, issued on Apr 4, 2006. Check the license (Arizona 7662, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053373100
Name
Robert Dean Rierson
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
7662 AZ
Self-reported in NPPES; status is on the state search
Practice location
1300 N 12TH St, Phoenix, AZ 85006
Phone
(602) 839-4915
Enumerated
Apr 4, 2006
Record last updated
Jul 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(602) 839-5112
Medicaid ID
233388 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1300 N 12TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Farshad Agahi, M.D.Obstetrics & Gynecology Physician1386886430
  2. Jacqueline Agenbroad, NPNurse Practitioner1447222328
  3. Nishant Anand, M.D.Emergency Medicine Physician1093847659
  4. Jacob Anderson, D.O.Family Medicine Physician1558708792
  5. Patricia Armstrong, PAPhysician Assistant1326015165
  6. Sandra Auvil, MDInternal Medicine Physician1215993464

Verify Robert Dean Rierson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 7662
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Robert Dean Rierson among 803 obstetrics & gynecology physician records in Arizona

Robert Dean Rierson, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2013 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Farshad Agahi, M.D.Phoenix, AZ 850061386886430
  2. Cara Christ, MDPhoenix, AZ 850061639369036
  3. Johnny Erkins, M.D.Phoenix, AZ 850061467593533
  4. Michael Hervey, M.D.Phoenix, AZ 850061922132414
  5. Paul Isaacson, M.D.Phoenix, AZ 850061659441202
  6. Heather Lesmes, MDPhoenix, AZ 850061881913945
  7. Monte Merrell, M.D.Phoenix, AZ 850061295900165
  8. Patricia Shay, MDPhoenix, AZ 850061518194497

Common questions

What is Robert Dean Rierson, MD's NPI number?

Robert Dean Rierson, MD's National Provider Identifier (NPI) is 1053373100, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Dean Rierson, MD located?

The NPPES record lists a practice address at 1300 N 12TH St, Phoenix, AZ, 85006. Phone: (602) 839-4915. Providers update this record themselves, so call before visiting.

How can I verify Robert Dean Rierson, MD's license?

NPPES lists Arizona license number 7662, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.