NPPES file of Aug 9, 2026

Isaac Raymond Kirk, M.D.

Diagnostic Radiology Physician · Houston, TX

Isaac Raymond Kirk, M.D. is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1629030143, issued on Apr 3, 2006. Check the license (Texas H3260, 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
1629030143
Name
Isaac Raymond Kirk
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
H3260 TX
Self-reported in NPPES; status is on the state search
Practice location
1701 Sunset Blvd, Houston, TX 77005
Phone
(713) 526-5511
Enumerated
Apr 3, 2006
Record last updated
Jan 15, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(713) 520-4755
Medicaid ID
137883805 TN
Medicare enrollment
Enrolled (PECOS I20050316000834); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 1986
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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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Also registered at 1701 Sunset Blvd

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

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  4. Shilka Babu, MDInternal Medicine Physician1407413651
  5. Mazen Barbandi, MDHospitalist Physician1659522928
  6. Garth Beinart, M.D.Medical Oncology Physician1396844262

Verify Isaac Raymond Kirk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H3260    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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61% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

20 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Isaac Kirk20
  2. Specialty average51

Most prescribed

  1. Hydrochlorothiazide11 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.

Industry payments in 2024: $194.45

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Isaac Kirk$194.45
  2. Specialty average$2,488.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Gmg Health Systems Associates PASan Antonio, TX

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

Isaac Raymond Kirk among 3,124 diagnostic radiology physician records in Texas

Isaac Raymond Kirk, 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. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1986 · median 2003 among the 2,277 with a school on file
  • Record last updated2019 · 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.

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. Cristin Dickerson, M.D.Houston, TX 770051588640148
  2. Katherine Kemp, MDHouston, TX 770051982682704
  3. Byron Bohnn, MDHouston, TX 770041295723732
  4. Gregory Chapman, MDHouston, TX 770041962488502
  5. Paul Gray, M.D.Houston, TX 770041053636423
  6. Linda Hankins, MDHouston, TX 770041568447407
  7. Joe Wilson, M.D.Houston, TX 770041417933680
  8. Jeanie Choi, M.D.Houston, TX 770071962673194

Common questions

What is Isaac Raymond Kirk, M.D.'s NPI number?

Isaac Raymond Kirk, M.D.'s National Provider Identifier (NPI) is 1629030143, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Raymond Kirk, M.D. located?

The NPPES record lists a practice address at 1701 Sunset Blvd, Houston, TX, 77005. Phone: (713) 526-5511. Providers update this record themselves, so call before visiting.

How can I verify Isaac Raymond Kirk, M.D.'s license?

NPPES lists Texas license number H3260, 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 Isaac Raymond Kirk, M.D. prescribe under Medicare Part D?

In 2024, Isaac Raymond Kirk, M.D. had 20 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.