NPPES file of Aug 9, 2026

Pablo R. Diaz-Esquivel, M.D.

Obstetrics & Gynecology Physician · Amarillo, TX

Pablo R. Diaz-Esquivel, M.D. is an obstetrics & gynecology physician with a practice address in Amarillo, Texas, and NPI 1124037122, issued on Aug 7, 2006. Check the license (Texas F5186, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124037122
Name
Pablo R. Diaz-Esquivel
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
F5186 TX
07297 MS
Self-reported in NPPES; status is on the state search
Practice location
1600 Coulter, Amarillo, TX 79106
Phone
(806) 355-9257
Enumerated
Aug 7, 2006
Record last updated
May 14, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(806) 353-9871
Medicaid ID
034235401 TX
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.
Download card Updates feed

Also registered at 1600 Coulter

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

  1. Mark Davidson, HISHearing Instrument Specialist1104913631
  2. Benjamin Jackson, HISHearing Instrument Specialist1528347754
  3. Denis Smith, LICENSED DISPENSERHearing Instrument Specialist1306933833

Verify Pablo R. Diaz-Esquivel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F5186
    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 Texas 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.0 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

336 Medicare Part D claims for 97 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Pablo Diaz-Esquivel336
  2. Specialty average165

Most prescribed

  1. Estradiol132 claims
  2. Premarin73 claims
  3. Escitalopram Oxalate18 claims
  4. Estradiol (Twice Weekly)11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Pablo R. Diaz-Esquivel among 3,524 obstetrics & gynecology physician records in Texas

Pablo R. Diaz-Esquivel, M.D. is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 53% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2009 · 54% 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 Texas 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 Texas

There are 3,524 obstetrics & gynecology physician records in Texas.

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

  1. Carin Appel, M.D.Amarillo, TX 791061386737088
  2. Estelle Archer, M.D.Amarillo, TX 791061134179492
  3. Teresa Baker, MDAmarillo, TX 791061023040227
  4. Arturo Carrillo, MDAmarillo, TX 791061932131794
  5. Rhodesia CastilloAmarillo, TX 791061801989447
  6. Pamela Chandler, M.D.Amarillo, TX 791061326133802
  7. David Chastain, M.D.Amarillo, TX 791061790870145
  8. Ann Harral, M.D.Amarillo, TX 791061225124894

Common questions

What is Pablo R. Diaz-Esquivel, M.D.'s NPI number?

Pablo R. Diaz-Esquivel, M.D.'s National Provider Identifier (NPI) is 1124037122, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Pablo R. Diaz-Esquivel, M.D. located?

The NPPES record lists a practice address at 1600 Coulter, Amarillo, TX, 79106. Phone: (806) 355-9257. Providers update this record themselves, so call before visiting.

How can I verify Pablo R. Diaz-Esquivel, M.D.'s license?

NPPES lists Texas license number F5186, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Pablo R. Diaz-Esquivel, M.D. prescribe under Medicare Part D?

In 2024, Pablo R. Diaz-Esquivel, M.D. had 336 Medicare Part D claims for 97 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.