DR. MUHAMMAD MANNAN SIDDIQUI M.D.
NPI 1093953168
Internal Medicine - Hospice and Palliative Medicine in Manassas, VA
About Dr. Muhammad Mannan Siddiqui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MUHAMMAD MANNAN SIDDIQUI M.D. (NPI 1093953168) is an individual hospice and palliative medicine provider in Manassas, Virginia, licensed in Virginia (0101245312) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with Novant Prince William Medical Center, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Muhammad Mannan Siddiqui M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Muhammad Siddiqui reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbridge, VA 22191
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 15 clinicians in this Medicare group
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 78 clinicians in this Medicare group
Vienna, VA 22180
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1952320061 (District of Columbia)
- 2,379 clinicians in this Medicare group
Norfolk, VA 23502
- Reassigned Medicare billing, Virginia enrollment
- 1,901 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Novant Prince William Medical Center
Acute Care Hospitals · Manassas, VAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANASSAS, VA 20110
MANASSAS, VA 20110
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 Muhammad Siddiqui's NPI number?
The NPI number for Muhammad Siddiqui is 1093953168. It was assigned to this individual provider in the NPPES registry on January 28, 2009.
Where is Muhammad Siddiqui located?
Muhammad Siddiqui practices at 9450 Innovation Dr, Manassas, VA 20110. The listed phone number is (571) 350-8400.
What is Muhammad Siddiqui's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Muhammad Siddiqui enrolled in Medicare?
Yes. Muhammad Siddiqui is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Muhammad Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Siddiqui reassigns Medicare benefits to 4 organizations: Alliance Medical Team LLC (Woodbridge, VA), Virginia Cancer Specialists, P.C. (Fairfax, VA), Inova Health Care Services (Vienna, VA) and Sentara Medical Group (Norfolk, VA). 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 Muhammad Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Muhammad Siddiqui affiliated with any hospitals?
According to CMS data, Muhammad Siddiqui is affiliated with Novant Prince William Medical Center.
When was this NPI record last updated?
The NPPES record for Muhammad Siddiqui was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.