PRADEEP R. NAYAK M.D.
NPI 1922000181
Internal Medicine - Cardiovascular Disease in Fairfax, VA
About Pradeep R. Nayak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PRADEEP R. NAYAK M.D. (NPI 1922000181) is an individual cardiovascular disease provider in Fairfax, Virginia, licensed in Virginia (0101049006) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 5
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
Pradeep R. Nayak 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
4Medicare enrollment records show Pradeep Nayak reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Reston, VA 20190
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 32 clinicians in this Medicare group
Vienna, VA 22180
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1669511051 (District of Columbia)
- 2,379 clinicians in this Medicare group
Vienna, VA 22182
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 57 clinicians in this Medicare group
Dulles, VA 20166
- Reassigned Medicare billing, Virginia enrollment
- 41 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 19
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22033 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
FAIRFAX, VA 22033
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 Pradeep Nayak's NPI number?
The NPI number for Pradeep Nayak is 1922000181. It was assigned to this individual provider in the NPPES registry on June 1, 2005.
Where is Pradeep Nayak located?
Pradeep Nayak practices at 3580 Joseph Siewick Dr Ste 305, Fairfax, VA 22033. The listed phone number is (703) 648-3266.
What is Pradeep Nayak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Pradeep Nayak enrolled in Medicare?
Yes. Pradeep Nayak 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 Pradeep Nayak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pradeep Nayak reassigns Medicare benefits to 4 organizations: Reston Hospital Center, LLC (Reston, VA), Inova Health Care Services (Vienna, VA), The Cardiovascular Group, PC (Vienna, VA) and Northern Virginia Community Hospital LLC (Dulles, 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 Pradeep Nayak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Pradeep Nayak accept?
Health plans from Oscar Health list Pradeep Nayak 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 Pradeep Nayak affiliated with any hospitals?
According to CMS data, Pradeep Nayak is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital and Inova Fair Oaks Hospital.
When was this NPI record last updated?
The NPPES record for Pradeep Nayak was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.