NPPES file of Aug 9, 2026

Gary Alvin Croll, M.D.

Internal Medicine Physician · Dallas, TX

Gary Alvin Croll, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1962445916, issued on Jun 14, 2006. Check the license (Texas G4278, 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
1962445916
Name
Gary Alvin Croll
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G4278 TX
Self-reported in NPPES; status is on the state search
Practice location
9330 Poppy Dr Ste 403, Dallas, TX 75218
Phone
(214) 328-4389
Enumerated
Jun 14, 2006
Record last updated
Sep 28, 2022
Fax
(214) 328-4085
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 internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Verify Gary Alvin Croll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G4278    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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54% more Medicare Part D claims than the average internal medicine physician in 2024

4,894 Medicare Part D claims for 431 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 97 claims were for opioids.

  1. Gary Croll4,894
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium331 claims
  2. Amlodipine Besylate284 claims
  3. Levothyroxine Sodium170 claims
  4. Lisinopril170 claims
  5. Simvastatin123 claims
  6. Tamsulosin Hcl117 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.

Gary Alvin Croll among 9,175 internal medicine physician records in Texas

Gary Alvin Croll, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

956 internal medicine physician records list a practice address in Dallas

They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.

All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arifa Abid, MDDallas, TX 752181083924450
  2. Michael Brancheau, MDDallas, TX 752181134288012
  3. Leonard Comess, MDDallas, TX 752181609801745
  4. Adolphus Gist, MDDallas, TX 752181457375339
  5. Anitha Kolukula, MDDallas, TX 752181548295173
  6. Elizabeth Kummer, M.D.Dallas, TX 752181447297767
  7. Corazon Llarena, M.D.Dallas, TX 752181689612061
  8. Elizabeth Palacios, M.D.Dallas, TX 752181376566612

Common questions

What is Gary Alvin Croll, M.D.'s NPI number?

Gary Alvin Croll, M.D.'s National Provider Identifier (NPI) is 1962445916, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Alvin Croll, M.D. located?

The NPPES record lists a practice address at 9330 Poppy Dr Ste 403, Dallas, TX, 75218. Phone: (214) 328-4389. Providers update this record themselves, so call before visiting.

How can I verify Gary Alvin Croll, M.D.'s license?

NPPES lists Texas license number G4278, 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 Gary Alvin Croll, M.D. prescribe under Medicare Part D?

In 2024, Gary Alvin Croll, M.D. had 4,894 Medicare Part D claims for 431 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.