DR. HUMAIRA ADEEB SIDDIQI M.D.
NPI 1245536283
Psychiatry & Neurology - Psychiatry in Fairfax, VA
About Dr. Humaira Adeeb Siddiqi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HUMAIRA ADEEB SIDDIQI M.D. (NPI 1245536283) is an individual psychiatry provider in Fairfax, Virginia, licensed in Virginia (0101250448) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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. Humaira Adeeb Siddiqi 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 Reassignments
2Medicare enrollment records show Humaira Siddiqi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia, Virginia and Maryland enrollments
- Also billed through NPI 1073678637 (District of Columbia), NPI 1972275196 (Virginia), NPI 1578638425 (District of Columbia), NPI 1497023188 (District of Columbia), NPI 1366781700 (District of Columbia), NPI 1285752121 (Maryland), NPI 1942546486 (Maryland), NPI 1457023616 (Maryland)
- 2,492 clinicians in this Medicare group
Arlington, VA 22207
- Reassigned Medicare billing, District of Columbia enrollment
- 436 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Humaira Siddiqi's NPI number?
The NPI number for Humaira Siddiqi is 1245536283. It was assigned to this individual provider in the NPPES registry on February 9, 2011. The provider is also known as Humaira Adeeb Malik MD.
Where is Humaira Siddiqi located?
Humaira Siddiqi practices at 9512B Route 29, Fairfax, VA 22031. The listed phone number is (202) 642-3933.
What is Humaira Siddiqi's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Humaira Siddiqi enrolled in Medicare?
Yes. Humaira Siddiqi 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 Humaira Siddiqi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Humaira Siddiqi reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Fairfax, VA) and Virginia Hospital Center Physician Group LLC (Arlington, 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 Humaira Siddiqi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Humaira Siddiqi was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.