NPPES file of Aug 9, 2026

Robert B. Holder, MD

Obstetrics & Gynecology Physician · Sierra Vista, AZ

Robert B. Holder, MD is an obstetrics & gynecology physician with a practice address in Sierra Vista, Arizona, and NPI 1861426439, issued on Jul 10, 2006. Check the license (Arizona 21557, 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
1861426439
Name
Robert B. Holder
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
21557 AZ
Self-reported in NPPES; status is on the state search
Practice location
174 S Coronado Dr, Sierra Vista, AZ 85635
Phone
(520) 417-9920
Enumerated
Jul 10, 2006
Record last updated
Apr 1, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(520) 417-9919
Medicaid ID
136376 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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8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →

Also registered at 174 S Coronado Dr

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

  1. Marsha Prince, WHCNPWomen's Health Nurse Practitioner1376568899
  2. Jessica Smith, LMSWSocial Worker1316773401

Verify Robert B. Holder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 21557    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

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Robert B. Holder among 803 obstetrics & gynecology physician records in Arizona

Robert B. Holder, 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 updated2008 · 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.

All 803 in Arizona → Every provider in Sierra Vista → Obstetrics & Gynecology Physician nationwide →

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

  1. Nathaniel Evans, D.OSierra Vista, AZ 856351104054378
  2. Cynthia Funckes, M.D.Sierra Vista, AZ 856351033140512
  3. Kenneth Kacenga, DOSierra Vista, AZ 856351245279827
  4. Gwynn Patterson, MDSierra Vista, AZ 856351134111941
  5. Bruce Silva, M.D.Sierra Vista, AZ 856351801836119
  6. Martha Prendergast, D.O.Willcox, AZ 856431023527363
  7. Frank Sturdevant, M.D.Green Valley, AZ 856221811142888
  8. Taylor Jenkins, MDNogales, AZ 856211639602626

Common questions

What is Robert B. Holder, MD's NPI number?

Robert B. Holder, MD's National Provider Identifier (NPI) is 1861426439, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert B. Holder, MD located?

The NPPES record lists a practice address at 174 S Coronado Dr, Sierra Vista, AZ, 85635. Phone: (520) 417-9920. Providers update this record themselves, so call before visiting.

How can I verify Robert B. Holder, MD's license?

NPPES lists Arizona license number 21557, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.