Kathryn Marko MD
Also known as
- Formerly known asChell, Kathryn I
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1366636375 is registered to Kathryn Marko MD, a Obstetrics & Gynecology practising at 2150 Pennsylvania Ave Nw, 6a-426 in Washington, Washington DC. Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions. Kathryn Marko MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20111115000189Obstetrics/GynecologyDC
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Kathryn Marko MD accepts. To confirm in-network status with your specific health plan, contact Kathryn Marko MD directly at (202) 741-2500.
Frequently asked
Yes. NPI 1366636375 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (202) 741-2500.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Kathryn Marko MD is a Type-1 individual NPI.