DR. TAMARA KATY M.D.
NPI 1497754774
Emergency Medicine - Pediatric Emergency Medicine in Washington, DC
About Dr. Tamara Katy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMARA KATY M.D. (NPI 1497754774) is an individual pediatric emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (34199) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Tamara Katy M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Tamara Katy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Whc Physician Group LLC
- 613 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 20007 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Tamara Katy's NPI number?
The NPI number for Tamara Katy is 1497754774. It was assigned to this individual provider in the NPPES registry on July 19, 2005.
Where is Tamara Katy located?
Tamara Katy practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-8518.
What is Tamara Katy's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.
Is Tamara Katy enrolled in Medicare?
Yes. Tamara Katy is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tamara Katy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Katy reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Washington, DC), Mgmc LLC (Washington, DC) and Whc Emerg Phys (Washington, DC). 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 Tamara Katy'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 Tamara Katy was last updated on September 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Tamara Katy, M.D. · NPI 1497754774
Pediatric Emergency Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since July 19, 2005.
## Identity
- **NPI:** 1497754774 (Entity type: Individual)
- **Enumerated:** July 19, 2005
- **Primary specialty:** Emergency Medicine - Pediatric Emergency Medicine · taxonomy 207PP0204X
- **State license:** 34199 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-8518
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC); Whc Emerg Phys (NPI 1306260625, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 23, 2016
- **Other identifiers:** Medicare UPIN H93142; Medicare PIN 013145M65 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1497754774) · Data from the CMS NPPES public registry.