DR. NICHOLAS J TANNOUS M.D.
NPI 1386817831
Physical Medicine & Rehabilitation - Pain Medicine in Germantown, MD
About Dr. Nicholas J Tannous M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NICHOLAS J TANNOUS M.D. (NPI 1386817831) is an individual pain medicine provider in Germantown, Maryland, licensed in Maryland (D0084655) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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 and accepts Medicare assignment
Dr. Nicholas J Tannous 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 Nicholas Tannous reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mc Lean, VA 22102
- Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
- 82 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAStonesprings Hospital Center
Acute Care Hospitals · Dulles, VAOther 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
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 Nicholas Tannous's NPI number?
The NPI number for Nicholas Tannous is 1386817831. It was assigned to this individual provider in the NPPES registry on April 4, 2008.
Where is Nicholas Tannous located?
Nicholas Tannous practices at 19851 Observation Dr Ste 360, Germantown, MD 20876. The listed phone number is (443) 693-7246.
What is Nicholas Tannous's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.
Is Nicholas Tannous enrolled in Medicare?
Yes. Nicholas Tannous 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 Nicholas Tannous's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Tannous reassigns Medicare benefits to Physical Medicine Associates, Ltd (Mc Lean, 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 Nicholas Tannous's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Tannous accept?
Health plans from CareSource list Nicholas Tannous 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 Nicholas Tannous affiliated with any hospitals?
According to CMS data, Nicholas Tannous is affiliated with Inova Fair Oaks Hospital and Stonesprings Hospital Center.
When was this NPI record last updated?
The NPPES record for Nicholas Tannous was last updated on November 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.