KATHARINE TYLER CLARK MD
NPI 1174093629
Emergency Medicine in Bethesda, MD
About Katharine Tyler Clark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHARINE TYLER CLARK MD (NPI 1174093629) is an individual emergency medicine provider in Bethesda, Maryland, licensed in Massachusetts (288942) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (2021).
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 (PECOS)
Katharine Tyler Clark Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Katharine Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 251 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventist Healthcare White Oak Medical Center
Acute Care Hospitals · Silver Spring, MDPhysician 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
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 Katharine Clark's NPI number?
The NPI number for Katharine Clark is 1174093629. It was assigned to this individual provider in the NPPES registry on November 27, 2018.
Where is Katharine Clark located?
Katharine Clark practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-4000.
What is Katharine Clark's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katharine Clark enrolled in Medicare?
Yes. Katharine Clark is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Katharine Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Clark reassigns Medicare benefits to Mep Health, LLC (Rockville, MD). 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 Katharine Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katharine Clark affiliated with any hospitals?
According to CMS data, Katharine Clark is affiliated with Adventist Healthcare White Oak Medical Center.
When was this NPI record last updated?
The NPPES record for Katharine Clark was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Katharine Tyler Clark, MD · NPI 1174093629
Emergency Medicine physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since November 27, 2018.
## Identity
- **NPI:** 1174093629 (Entity type: Individual)
- **Enumerated:** November 27, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 288942 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8901 WISCONSIN AVE, Bethesda, MD 20889-2696
- **Phone:** (301) 295-4000
## 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:** Mep Health, LLC (NPI 1164483558, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174093629) · Data from the CMS NPPES public registry.