NPPES file of Aug 9, 2026

Zahirul Haque, MD

Internal Medicine Physician · Saint Louis, MO

Zahirul Haque, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1578536546, issued on Feb 9, 2006. Check the license (Missouri 2001008540, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1578536546
Name
Zahirul Haque
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2001008540 MO
Self-reported in NPPES; status is on the state search
Practice location
4 Clayton Court Dr, Saint Louis, MO 63131
Phone
(314) 368-3422
Enumerated
Feb 9, 2006
Record last updated
Apr 1, 2025
Fax
(314) 692-0095
Medicaid ID
205314305 MO
Medicare enrollment
Enrolled (PECOS I20250422001214); 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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Verify Zahirul Haque in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2001008540
    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 Missouri license search

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25% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,393 Medicare Part D claims for 294 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 87 claims were for opioids.

  1. Zahirul Haque2,393
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate114 claims
  2. Gabapentin96 claims
  3. Atorvastatin Calcium87 claims
  4. Pantoprazole Sodium76 claims
  5. Furosemide75 claims
  6. Lisinopril69 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: $17.85

1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, 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. Zahirul Haque$17.85
  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.

Zahirul Haque among 2,604 internal medicine physician records in Missouri

Zahirul Haque, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1987 · median 2006 among the 1,443 with a school on file
  • Record last updated2025 · 48% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

941 internal medicine physician records list a practice address in Saint Louis

They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Asim Ali, MDSaint Louis, MO 631311821047218
  2. Paul Altsheler, MDSaint Louis, MO 631311346225372
  3. Richard Bligh, MDSaint Louis, MO 631311306813050
  4. J Corder, MDSaint Louis, MO 631311184698987
  5. Thomas Greco, M.D.Saint Louis, MO 631311417920927
  6. Joseph Hilgeman, MDDes Peres, MO 631311407820145
  7. Andrea Holthaus, MDSaint Louis, MO 631311528031473
  8. Mai Hunt, M.D.Saint Louis, MO 631311861464158

Common questions

What is Zahirul Haque, MD's NPI number?

Zahirul Haque, MD's National Provider Identifier (NPI) is 1578536546, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Zahirul Haque, MD located?

The NPPES record lists a practice address at 4 Clayton Court Dr, Saint Louis, MO, 63131. Phone: (314) 368-3422. Providers update this record themselves, so call before visiting.

How can I verify Zahirul Haque, MD's license?

NPPES lists Missouri license number 2001008540, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zahirul Haque, MD prescribe under Medicare Part D?

In 2024, Zahirul Haque, MD had 2,393 Medicare Part D claims for 294 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.