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Obstetrics/Gynecology

Hamnah T. Siddiqui

Works at hospitals in Bridgeton, MO · Missouri

Summary

Hamnah T. Siddiqui is an OB-GYN at 1035 Bellevue Ave, Suite 500, Saint Louis, MO 63117. Phone: (314) 590-0550. Accepts Medicare assignment. In 2024, Hamnah T. Siddiqui had 19 Original Medicare patients and 39 services. NPI 1598157901. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1035 Bellevue Ave, Suite 500, Saint Louis, MO 63117 · Directions (2 more locations)
  • Phone: (314) 590‑0550
  • Medicare: Accepts Medicare assignment
  • Hospital: SSM Health Depaul Hospital St Louis
  • Group practice: SSM Medical Group Inc
  • Medical school: graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hamnah T. Siddiqui, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Hamnah T. Siddiqui accept Medicare assignment?
Yes. Medicare's clinician data says Hamnah T. Siddiqui accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Hamnah T. Siddiqui see?
In 2024, CMS data shows 19 Original Medicare patients and 39 services for Hamnah T. Siddiqui. This counts Original Medicare only and measures volume, not quality.
What is Hamnah T. Siddiqui's NPI number?
1598157901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Hamnah T. Siddiqui, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients19
Services billed to Medicare39
Different services or procedures12
Participating Medicare providerYes
Average age of these patients56

Hospitals where Hamnah T. Siddiqui works

Medicare's Facility Affiliation Data lists Hamnah T. Siddiqui at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Hamnah T. Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hamnah T. Siddiqui as a member of this group (CMS data updated October 2, 2026).

  • SSM Medical Group Inc568 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Missouri →

Other OB-GYNs in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All OB-GYNs in Saint Louis →

Other clinicians in SSM Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598157901
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians