DR. HAMNAH TABASSUM SIDDIQUI MD
NPI 1598157901
Obstetrics & Gynecology in Bridgeton, MO
About Dr. Hamnah Tabassum Siddiqui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAMNAH TABASSUM SIDDIQUI MD (NPI 1598157901) is an individual obstetrics & gynecology provider in Bridgeton, Missouri, licensed in Missouri (2016036643) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, is affiliated with Ssm Health Depaul Hospital St Louis, and maintains a secondary practice location in Ferguson.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 6
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Hamnah Tabassum Siddiqui Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Hamnah Siddiqui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 697 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health Depaul Hospital St Louis
Acute Care Hospitals · Bridgeton, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRIDGETON, MO 63044
BRIDGETON, MO 63044
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Hamnah Siddiqui's NPI number?
The NPI number for Hamnah Siddiqui is 1598157901. It was assigned to this individual provider in the NPPES registry on February 22, 2015.
Where is Hamnah Siddiqui located?
Hamnah Siddiqui practices at 12277 De Paul Dr Ste 305, Bridgeton, MO 63044. The listed phone number is (314) 344-7585.
What is Hamnah Siddiqui's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Hamnah Siddiqui enrolled in Medicare?
Yes. Hamnah Siddiqui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hamnah Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hamnah Siddiqui reassigns Medicare benefits to 2 organizations: Ssm Health Care St. Louis (Bridgeton, MO) and Ssm Medical Group, Inc. (Fenton, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hamnah Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hamnah Siddiqui accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Hamnah Siddiqui as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Hamnah Siddiqui affiliated with any hospitals?
According to CMS data, Hamnah Siddiqui is affiliated with Ssm Health Depaul Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Hamnah Siddiqui was last updated on October 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Hamnah Tabassum Siddiqui, MD · NPI 1598157901
Obstetrics & Gynecology physician in Bridgeton, Missouri. Individual provider, active in the CMS NPPES registry since February 22, 2015.
## Identity
- **NPI:** 1598157901 (Entity type: Individual)
- **Enumerated:** February 22, 2015
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 2016036643 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 12277 DE PAUL DR STE 305, Bridgeton, MO 63044-2529
- **Phone:** (314) 344-7585
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ssm Health Care St. Louis (NPI 1376598599, Bridgeton, MO); Ssm Medical Group, Inc. (NPI 1700966207, Fenton, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** October 27, 2020
- **Other identifiers:** Other WV6111A (WV); Other WV6111B (WV); Medicaid 3810030182 (WV); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1598157901) · Data from the CMS NPPES public registry.