DR. ADNAN MUDDASSIR SIDDIQUI M.D.
NPI 1457709354
Physical Medicine & Rehabilitation in Germantown, MD
About Dr. Adnan Muddassir Siddiqui M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADNAN MUDDASSIR SIDDIQUI M.D. (NPI 1457709354) is an individual physical medicine & rehabilitation provider in Germantown, Maryland, licensed in Maryland (D0090853) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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. Adnan Muddassir Siddiqui M.d. 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 Reassignment
Medicare enrollment records show Adnan Siddiqui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 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 11
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.
Frederick Health Hospital
Acute Care Hospitals · Frederick, MDOther Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GERMANTOWN, MD 20876
GERMANTOWN, MD 20876
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 Adnan Siddiqui's NPI number?
The NPI number for Adnan Siddiqui is 1457709354. It was assigned to this individual provider in the NPPES registry on June 1, 2016.
Where is Adnan Siddiqui located?
Adnan Siddiqui practices at 20680 Seneca Meadows Pkwy Ste 206, Germantown, MD 20876. The listed phone number is (301) 399-8027.
What is Adnan Siddiqui's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Adnan Siddiqui enrolled in Medicare?
Yes. Adnan 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 organization bills Medicare for Adnan Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adnan Siddiqui reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, VA). The 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 Adnan Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adnan Siddiqui accept?
Health plans from Oscar Health and UnitedHealthcare list Adnan 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 Adnan Siddiqui affiliated with any hospitals?
According to CMS data, Adnan Siddiqui is affiliated with Frederick Health Hospital.
When was this NPI record last updated?
The NPPES record for Adnan Siddiqui was last updated on March 1, 2021. 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.