DR. HADI FAHEEM SIDDIQUE MD
NPI 1255073573
Psychiatry & Neurology - Psychiatry in Saint Louis, MO
About Dr. Hadi Faheem Siddique Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HADI FAHEEM SIDDIQUE MD (NPI 1255073573) is an individual psychiatry provider in Saint Louis, Missouri, licensed in North Carolina (2025-03605) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Hadi Faheem Siddique Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Hadi Siddique reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 326 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 299 clinicians in this Medicare group
Burlington, NC 27215
- Reassigned Medicare billing, North Carolina enrollment
- 1,337 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.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63128 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
SAINT LOUIS, MO 63128
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 Hadi Siddique's NPI number?
The NPI number for Hadi Siddique is 1255073573. It was assigned to this individual provider in the NPPES registry on April 7, 2022.
Where is Hadi Siddique located?
Hadi Siddique practices at 10018 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 251-6663.
What is Hadi Siddique's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Hadi Siddique enrolled in Medicare?
Yes. Hadi Siddique is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hadi Siddique's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hadi Siddique reassigns Medicare benefits to 4 organizations: St Anthonys Physician Organization Hospitalist Services, L.C. (Saint Louis, MO), Mercy Clinic Adult Hospitalists - St. Louis, LLC (Saint Louis, MO), Mercy Clinic Adult Hospitalists- Jefferson, LLC (Festus, MO) and Unc Physicians Network, LLC (Burlington, NC). 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 Hadi Siddique's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hadi Siddique accept?
Health plans from Blue Cross and Blue Shield of NC list Hadi Siddique 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 Hadi Siddique affiliated with any hospitals?
According to CMS data, Hadi Siddique is affiliated with Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Hadi Siddique was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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. Hadi Faheem Siddique, MD · NPI 1255073573
Psychiatry physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 7, 2022.
## Identity
- **NPI:** 1255073573 (Entity type: Individual)
- **Enumerated:** April 7, 2022
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 2025-03605 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 10018 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (314) 251-6663
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): St Anthonys Physician Organization Hospitalist Services, L.C. (NPI 1407216336, Saint Louis, MO); Mercy Clinic Adult Hospitalists - St. Louis, LLC (NPI 1841235108, Saint Louis, MO); Mercy Clinic Adult Hospitalists- Jefferson, LLC (NPI 1083052492, Festus, MO); Unc Physicians Network, LLC (NPI 1053751586, Burlington, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Florida International Univ, College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** August 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255073573) · Data from the CMS NPPES public registry.