NPPES file of Aug 9, 2026

Shamail Mahmood, M.D

Internal Medicine Physician · Dallas, TX

Shamail Mahmood, M.D is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1215199229, issued on Jun 30, 2008. Check the license (Texas Q2461, 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
1215199229
Name
Shamail Mahmood
Credential
M.D
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
Q2461 TX
Self-reported in NPPES; status is on the state search
Practice location
3500 W Wheatland RD, Dallas, TX 75237
Phone
(203) 988-6611
Enumerated
Jun 30, 2008
Record last updated
Jun 9, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150731016468); accepts Medicare assignment
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 3500 W Wheatland RD

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

  1. Asha Abraham, MDFamily Medicine Physician1417535154
  2. Elmuataz Ahmed, MDInternal Medicine Physician1265989560
  3. Shefiulai AkandeFamily Medicine Physician1851903181
  4. Jaffar Aleagha, D.O.Hospitalist Physician1356769681
  5. Basit Ali, D.O.Undersea and Hyperbaric Medicine (Preventive Medicine) Physician1962480632
  6. Muhammad Azhar, MDInternal Medicine Physician1972552826

Verify Shamail Mahmood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q2461
    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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66% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,074 Medicare Part D claims for 383 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 73 claims were for opioids.

  1. Shamail Mahmood1,074
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium92 claims
  2. Furosemide59 claims
  3. Atorvastatin Calcium54 claims
  4. Cefdinir51 claims
  5. Amlodipine Besylate50 claims
  6. Clopidogrel35 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.

Bills Medicare through 3 group practices

  1. Lonestar Hospital Medicine Associates PADallas, TX
  2. Perioperative And Transitional Medicine Group PLLCDallas, TX
  3. Texas Health Physicians GroupBedford, TX

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

Shamail Mahmood among 9,175 internal medicine physician records in Texas

Shamail Mahmood, 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 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2005 · median 2004 among the 6,088 with a school on file
  • Record last updated2016 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Muhammad Azhar, MDDallas, TX 752371972552826
  2. Anupa Barua, M.DDallas, TX 752371790948453
  3. Michael Finch, M.D.Dallas, TX 752371104991991
  4. Nausheen Gowani, MDDallas, TX 752371689874257
  5. Muhammad Hassanein, MDDallas, TX 752371528146024
  6. Mahendra Kakarla, MDDallas, TX 752371942303342
  7. Mahboob Khan, MDDallas, TX 752371508834599
  8. Madhu Patalay, M.D.,M.S. NUTRI.SCI.Dallas, TX 752371962678342

Common questions

What is Shamail Mahmood, M.D's NPI number?

Shamail Mahmood, M.D's National Provider Identifier (NPI) is 1215199229, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Shamail Mahmood, M.D located?

The NPPES record lists a practice address at 3500 W Wheatland RD, Dallas, TX, 75237. Phone: (203) 988-6611. Providers update this record themselves, so call before visiting.

How can I verify Shamail Mahmood, M.D's license?

NPPES lists Texas license number Q2461, 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 Shamail Mahmood, M.D prescribe under Medicare Part D?

In 2024, Shamail Mahmood, M.D had 1,074 Medicare Part D claims for 383 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.

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.