NPPES file of Aug 9, 2026

Zulfarah S. Ishaque, M.D.

Internal Medicine Physician · El Paso, TX

Zulfarah S. Ishaque, M.D. is an internal medicine physician with a practice address in El Paso, Texas, and NPI 1801250428, issued on Apr 9, 2016. Check the license (Texas S0599, 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
1801250428
Name
Zulfarah S. Ishaque
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
S0599 TX
Self-reported in NPPES; status is on the state search
Practice location
1625 Medical Center Dr, El Paso, TX 79902
Phone
(409) 730-3276
Enumerated
Apr 9, 2016
Record last updated
Aug 10, 2023
Medicare enrollment
Enrolled (PECOS I20190724004114); 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.
Download card Updates feed

Also registered at 1625 Medical Center Dr

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

  1. Madhu Achalla, M.D.Emergency Medicine Physician1427357094
  2. Aymen Albaghdadi, MDInternal Medicine Physician1679950448
  3. Paola Arias Mendoza, MDEmergency Medicine Physician1174924047
  4. Kenneth Berumen, M.D.Emergency Medicine Physician1588661243
  5. Ricardo Carrillo, CRNACertified Registered Nurse Anesthetist1689173643
  6. Vivian Cerrillo, APRNAcute Care Nurse Practitioner1003603630

Verify Zulfarah S. Ishaque in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S0599
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

85% fewer Medicare Part D claims than the average internal medicine physician in 2024

473 Medicare Part D claims for 208 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Zulfarah Ishaque473
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium42 claims
  2. Rosuvastatin Calcium24 claims
  3. Clopidogrel19 claims
  4. Furosemide19 claims
  5. Eliquis18 claims
  6. Cephalexin17 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: $71.14

4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zulfarah Ishaque$71.14
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Lonestar Hospital Medicine Associates PADallas, TX
  2. Peoples Medical Care PLLCMcKinney, TX

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

Zulfarah S. Ishaque among 9,175 internal medicine physician records in Texas

Zulfarah S. Ishaque, 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 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2004 among the 6,088 with a school on file
  • Record last updated2023 · 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).

262 internal medicine physician records list a practice address in El Paso

They are 262 of the 11,091 NPPES records with a practice address in El Paso, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mohammed Alnajjar, MDEl Paso, TX 799021972524338
  2. Muneer Assi, DOEl Paso, TX 799021598721904
  3. Clyde Clybourn, MDEl Paso, TX 799021043391758
  4. Michael Gabbert, M.D.El Paso, TX 799021073528840
  5. Omar Gonzalez, M.D.El Paso, TX 799021780682260
  6. Marilyn Julian, MDEl Paso, TX 799021396742136
  7. Hector Martinez, MDEl Paso, TX 799021659373520
  8. Ana Meza, MDEl Paso, TX 799021508813171

Common questions

What is Zulfarah S. Ishaque, M.D.'s NPI number?

Zulfarah S. Ishaque, M.D.'s National Provider Identifier (NPI) is 1801250428, issued on Apr 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Zulfarah S. Ishaque, M.D. located?

The NPPES record lists a practice address at 1625 Medical Center Dr, El Paso, TX, 79902. Phone: (409) 730-3276. Providers update this record themselves, so call before visiting.

How can I verify Zulfarah S. Ishaque, M.D.'s license?

NPPES lists Texas license number S0599, 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 Zulfarah S. Ishaque, M.D. prescribe under Medicare Part D?

In 2024, Zulfarah S. Ishaque, M.D. had 473 Medicare Part D claims for 208 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.