Katherine Marie Prybys, D.O.
Medical Toxicology (Emergency Medicine) Physician · Baltimore, MD
Katherine Marie Prybys, D.O. is a medical toxicology (emergency medicine) physician with a practice address in Baltimore, Maryland, and NPI 1366570962, issued on Mar 2, 2007. Check the license (Maryland H50709, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Katherine Marie Prybys
- Credential
- D.O.
- Primary taxonomy
- Medical Toxicology (Emergency Medicine) Physician 207PT0002X
- License number
- H50709 MD
Self-reported in NPPES; status is on the state search - Practice location
- 110 South Paca Street, Baltimore, MD 21201
- Phone
- (410) 328-8025
- Enumerated
- Mar 2, 2007
- Record last updated
- Dec 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 452000900 MD
- Entity
- Type 1 · individual
4 nearest medical toxicology (emergency medicine) physician records → All 5 in Maryland → Look up another NPI →
Also registered at 110 South Paca Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samir Kaveeshwar, MDStudent in an Organized Health Care Education/Training Program1699425439
- Andrew Piner, MDEmergency Medicine Physician1780262949
Verify Katherine Marie Prybys in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H50709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average medical toxicology (emergency medicine) physician in 2024
35 Medicare Part D claims for 27 beneficiaries, against an average of 138 among the 103 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Medical Toxicology (Emergency Medicine) Physician providers in Maryland
There are 5 medical toxicology (emergency medicine) physician records in Maryland.
All 5 in Maryland → Every provider in Baltimore → Medical Toxicology (Emergency Medicine) Physician nationwide →
The 4 medical toxicology (emergency medicine) physician records with the nearest ZIP codes
- Hong Kim, M.D., M.P.HBaltimore, MD 212011356541957
- Stephanie Weiss, M.D. PH.D.Baltimore, MD 212241306131222
- Toby Litovitz, M.D.Potomac, MD 208541669562971
- Grace Ziem, MD MPH MS DRPHEmmitsburg, MD 217271972604742
Common questions
What is Katherine Marie Prybys, D.O.'s NPI number?
Katherine Marie Prybys, D.O.'s National Provider Identifier (NPI) is 1366570962, issued on Mar 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Marie Prybys, D.O. located?
The NPPES record lists a practice address at 110 South Paca Street, Baltimore, MD, 21201. Phone: (410) 328-8025. Providers update this record themselves, so call before visiting.
How can I verify Katherine Marie Prybys, D.O.'s license?
NPPES lists Maryland license number H50709, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Marie Prybys, D.O. prescribe under Medicare Part D?
In 2024, Katherine Marie Prybys, D.O. had 35 Medicare Part D claims for 27 beneficiaries; the average among medical toxicology (emergency medicine) physician prescribers was 138. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.