DR. TAMMY Z ROSENTHAL MD
NPI 1740358183
Obstetrics & Gynecology in Reston, VA
About Dr. Tammy Z Rosenthal Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMMY Z ROSENTHAL MD (NPI 1740358183) is an individual obstetrics & gynecology provider in Reston, Virginia, licensed in Virginia (0101229850) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
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. Tammy Z Rosenthal Md 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 Tammy Rosenthal 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 and Virginia enrollments
- Also billed through NPI 1699893537 (Virginia)
- 2,492 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 20190 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 11
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 Tammy Rosenthal's NPI number?
The NPI number for Tammy Rosenthal is 1740358183. It was assigned to this individual provider in the NPPES registry on December 2, 2006.
Where is Tammy Rosenthal located?
Tammy Rosenthal practices at 11445 Sunset Hills Road, Reston, VA 20190. The listed phone number is (703) 709-1500.
What is Tammy Rosenthal's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tammy Rosenthal enrolled in Medicare?
Yes. Tammy Rosenthal 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 Tammy Rosenthal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Rosenthal reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (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 Tammy Rosenthal'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 Tammy Rosenthal was last updated on June 28, 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.
# Dr. Tammy Z Rosenthal, MD · NPI 1740358183
Obstetrics & Gynecology physician in Reston, Virginia. Individual provider, active in the CMS NPPES registry since December 2, 2006.
## Identity
- **NPI:** 1740358183 (Entity type: Individual)
- **Enumerated:** December 2, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 0101229850 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 11445 SUNSET HILLS ROAD, Reston, VA 20190-5276
- **Phone:** (703) 709-1500 · **Fax:** (703) 709-1711
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376815472, Mc Lean, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** June 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1740358183) · Data from the CMS NPPES public registry.