DR. KATHERINE MARIE PRYBYS D.O.
NPI 1366570962
Emergency Medicine - Medical Toxicology in Baltimore, MD
About Dr. Katherine Marie Prybys D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE MARIE PRYBYS D.O. (NPI 1366570962) is an individual medical toxicology provider in Baltimore, Maryland, licensed in Maryland (H50709) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Katherine Marie Prybys D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Katherine Prybys reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 234 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 66 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Katherine Prybys's NPI number?
The NPI number for Katherine Prybys is 1366570962. It was assigned to this individual provider in the NPPES registry on March 2, 2007. The provider is also known as Mrs. Katherine Marie Prybys D.O..
Where is Katherine Prybys located?
Katherine Prybys practices at 110 South Paca Street, Baltimore, MD 21201. The listed phone number is (410) 328-8025.
What is Katherine Prybys's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.
Is Katherine Prybys enrolled in Medicare?
Yes. Katherine Prybys is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katherine Prybys's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Prybys reassigns Medicare benefits to 2 organizations: University Of Maryland Emergency Medicine Associates, PA (Baltimore, MD) and Emergency Physicians Spps (Baltimore, 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 Katherine Prybys'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 Katherine Prybys was last updated on December 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. Katherine Marie Prybys, D.O. · NPI 1366570962
Medical Toxicology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 2, 2007.
## Identity
- **NPI:** 1366570962 (Entity type: Individual)
- **Enumerated:** March 2, 2007
- **Primary specialty:** Emergency Medicine - Medical Toxicology · taxonomy 207PT0002X
- **State license:** H50709 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 SOUTH PACA STREET, Baltimore, MD 21201
- **Phone:** (410) 328-8025
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Emergency Medicine Associates, PA (NPI 1144271743, Baltimore, MD); Emergency Physicians Spps (NPI 1760885958, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 5, 2008
- **Other identifiers:** Medicare UPIN F80816 (MD); Medicare PIN 861R (MD); Medicare PIN 930075747 (MD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1366570962) · Data from the CMS NPPES public registry.