NPPES file of Aug 9, 2026

Gregory B. Fehr, MD

Emergency Medical Services (Emergency Medicine) Physician · Brownsville, TX

Gregory B. Fehr, MD is an emergency medical services (emergency medicine) physician with a practice address in Brownsville, Texas, and NPI 1306812250, issued on Feb 28, 2006. Check the license (Texas K1813, 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
1306812250
Name
Gregory B. Fehr
Credential
MD
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
K1813 TX
Self-reported in NPPES; status is on the state search
Practice location
1040 W Jefferson St, Brownsville, TX 78520
Phone
(956) 698-5400
Enumerated
Feb 28, 2006
Record last updated
May 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040726000155); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1040 W Jefferson St

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

  1. Hazem Arafeh, M.D.Emergency Medicine Physician1972818102
  2. Leticia Asencio, NPAcute Care Nurse Practitioner1316913361
  3. Ronald Bentley, CRNACertified Registered Nurse Anesthetist1922034529
  4. Romina BresNeonatal Nurse Practitioner1477221315
  5. Randolfo Castillo, MDAnesthesiology Physician1205919602
  6. Jose De Luna, M.D.Specialist1316998685

Verify Gregory B. Fehr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K1813
    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

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77% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

66 Medicare Part D claims for 25 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.

  1. Gregory Fehr66
  2. Specialty average292

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.

Gregory B. Fehr among 250 emergency medical services (emergency medicine) physician records in Texas

Gregory B. Fehr, MD is one of 250 emergency medical services (emergency medicine) physician records with a practice address in Texas. 62% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 22% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1976 · median 1999 among the 62 with a school on file
  • Record last updated2011 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in Texas

There are 250 emergency medical services (emergency medicine) physician records in Texas.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. David Haman, DOBrownsville, TX 785201184688806
  2. Valarie Rosas, RNDonna, TX 785371033077391
  3. Kenneth Averack, M.D.McAllen, TX 785011851326763
  4. Dolores Bailey, DOHarlingen, TX 785501649264284
  5. Haywood Hall, MDHarlingen, TX 785501851385496
  6. Mark Hayden, MDHarlingen, TX 785501376537175
  7. Edward Mason, MDHarlingen, TX 785501982698437
  8. Michael Mohun, MDHarlingen, TX 785501235123043

Common questions

What is Gregory B. Fehr, MD's NPI number?

Gregory B. Fehr, MD's National Provider Identifier (NPI) is 1306812250, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory B. Fehr, MD located?

The NPPES record lists a practice address at 1040 W Jefferson St, Brownsville, TX, 78520. Phone: (956) 698-5400. Providers update this record themselves, so call before visiting.

How can I verify Gregory B. Fehr, MD's license?

NPPES lists Texas license number K1813, 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 Gregory B. Fehr, MD prescribe under Medicare Part D?

In 2024, Gregory B. Fehr, MD had 66 Medicare Part D claims for 25 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.