NPPES file of Aug 9, 2026

John Grayson Reilly, M.D., M.P.H.

Surgery Physician · Brownsville, TX

John Grayson Reilly, M.D., M.P.H. is a surgery physician with a practice address in Brownsville, Texas, and NPI 1841845302, issued on Aug 1, 2019. Check the license (Texas V9702, 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
1841845302
Name
John Grayson Reilly
Credential
M.D., M.P.H.
Primary taxonomy
Surgery Physician 208600000X
License number
V9702 TX
Self-reported in NPPES; status is on the state search
Practice location
4770 N Expressway Ste 305A, Brownsville, TX 78526
Phone
(956) 362-3980
Enumerated
Aug 1, 2019
Record last updated
Sep 18, 2025
Fax
(956) 362-3979
Medicare enrollment
Enrolled (PECOS I20250719000249); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 2018
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 4770 N Expressway Ste 305A

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

  1. Martin Holguin, PA-CPhysician Assistant1336890029
  2. Daniel Romanelli, MDSports Medicine (Orthopaedic Surgery) Physician1245391168
  3. Charles Schwertner, M.D.Orthopaedic Surgery Physician1811940786

Verify John Grayson Reilly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V9702    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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88% fewer Medicare Part D claims than the average surgery physician in 2024

17 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Reilly17
  2. Specialty average147

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.

Bills Medicare through one group practice

  1. Renaissance Specialty SurgeryBrownsville, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Surgery Physician providers in Texas

There are 2,192 surgery physician records in Texas.

All 2,192 in Texas → Every provider in Brownsville →

Other surgery physician records in Texas

  1. Alan Abando, M.D.Cedar Park, TX1073561387
  2. Babak Abbassi, M.D.Greenville, TX1992151385
  3. Steven Abbate, MDSan Antonio, TX1235117433
  4. John Abbott, M.D.Rowlett, TX1255540936
  5. Kareem Abdelfattah, MDDallas, TX1053510339
  6. John Abdelsayed, MDSugar Land, TX1578983839
  7. Ziad Abdo, M.D.Dallas, TX1700838414
  8. Alan Abel, MDBig Spring, TX1518966829
  9. Stephen Abernathy, M.D.Temple, TX1851389779
  10. John Abikhaled, M.D.Austin, TX1639108731

Common questions

What is John Grayson Reilly, M.D., M.P.H.'s NPI number?

John Grayson Reilly, M.D., M.P.H.'s National Provider Identifier (NPI) is 1841845302, issued on Aug 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Grayson Reilly, M.D., M.P.H. located?

The NPPES record lists a practice address at 4770 N Expressway Ste 305A, Brownsville, TX, 78526. Phone: (956) 362-3980. Providers update this record themselves, so call before visiting.

How can I verify John Grayson Reilly, M.D., M.P.H.'s license?

NPPES lists Texas license number V9702, 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 John Grayson Reilly, M.D., M.P.H. prescribe under Medicare Part D?

In 2024, John Grayson Reilly, M.D., M.P.H. had 17 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.

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.