NPPES file of Aug 9, 2026

John C. Gillespie, M.D.

Diagnostic Radiology Physician · Houston, TX

John C. Gillespie, M.D. is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1467414987, issued on Apr 3, 2006. Check the license (Texas G7520, as entered in NPPES) on the Texas 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
1467414987
Name
John C. Gillespie
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
G7520 TX
Self-reported in NPPES; status is on the state search
Practice location
3120 Southwest Fwy, Houston, TX 77098
Phone
(713) 627-9729
Enumerated
Apr 3, 2006
Record last updated
Sep 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
129449803 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.
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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Also registered at 3120 Southwest Fwy

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

  1. Jorge Albin, M.D.Diagnostic Radiology Physician1093775850
  2. Elba CarrilloNutritionist1477322881
  3. Sonia Chacko, PTAPhysical Therapy Assistant1861805459
  4. Gwendolyn CherryOccupational Therapist1396088829
  5. Benjamin Conner, M.D.Diagnostic Radiology Physician1033170014
  6. Suzanne Fisher, M.S. CCC-SLPSpeech-Language Pathologist1932529898

Verify John C. Gillespie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G7520    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.

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John C. Gillespie among 3,124 diagnostic radiology physician records in Texas

John C. Gillespie, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2015 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

823 diagnostic radiology physician records list a practice address in Houston

They are 823 of the 61,221 NPPES records with a practice address in Houston, and 3,124 diagnostic radiology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,124 in Texas → Every provider in Houston → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Jorge Albin, M.D.Houston, TX 770981093775850
  2. Deborah Ancona - Schultz, MDHouston, TX 770981427068063
  3. Benjamin Conner, M.D.Houston, TX 770981033170014
  4. Milton Guiberteau, M.D.Houston, TX 770981346200789
  5. Lawrence Hurdiss, M.D.Houston, TX 770981417966052
  6. Son Huynh, M.D.Houston, TX 770981902868425
  7. David KoltzHouston, TX 770981265615132
  8. Stephen Parven, M.D.Houston, TX 770981164483111

Common questions

What is John C. Gillespie, M.D.'s NPI number?

John C. Gillespie, M.D.'s National Provider Identifier (NPI) is 1467414987, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John C. Gillespie, M.D. located?

The NPPES record lists a practice address at 3120 Southwest Fwy, Houston, TX, 77098. Phone: (713) 627-9729. Providers update this record themselves, so call before visiting.

How can I verify John C. Gillespie, M.D.'s license?

NPPES lists Texas license number G7520, 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.

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.