DR. TANYA QIN TAN M.D.
NPI 1366837031
Internal Medicine in Bethesda, MD
About Dr. Tanya Qin Tan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TANYA QIN TAN M.D. (NPI 1366837031) is an individual internal medicine provider in Bethesda, Maryland, licensed in Maryland (D0084957) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Silver Spring, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Tanya Qin Tan 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 Tanya Tan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1205087517 (Maryland)
- 184 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, District of Columbia enrollment
- 204 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20889
BETHESDA, MD 20889
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 Tanya Tan's NPI number?
The NPI number for Tanya Tan is 1366837031. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Tanya Tan located?
Tanya Tan practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4000.
What is Tanya Tan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tanya Tan enrolled in Medicare?
Yes. Tanya Tan 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 Tanya Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanya Tan reassigns Medicare benefits to 2 organizations: Patient First Maryland Medical Group PLLC (Silver Spring, MD) and Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD). 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 Tanya Tan'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 Tanya Tan was last updated on July 1, 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.
# Dr. Tanya Qin Tan, M.D. · NPI 1366837031
Internal Medicine physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since March 31, 2015.
## Identity
- **NPI:** 1366837031 (Entity type: Individual)
- **Enumerated:** March 31, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0084957 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 ROCKVILLE PIKE, Bethesda, MD 20889-0001
- **Phone:** (301) 295-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Patient First Maryland Medical Group PLLC (NPI 1265866503, Silver Spring, MD); Hospitalist Medicine Physicians Of Maryland PC (NPI 1992945471, Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1366837031) · Data from the CMS NPPES public registry.