Katherine Prybys, D.O.
NPI 1366570962 · Medical Toxicology (Emergency Medicine) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Prybys, D.O. is a Medical Toxicology (Emergency Medicine) Physician provider in Baltimore, MD (NPI 1366570962).
Provider details
- NPI number
- 1366570962
- Entity type
- Individual
- Primary specialty
- Medical Toxicology (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- H50709 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
254 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 139 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 83 | $124 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 16 | $73 |
| Critical Care, First 30-74 Minutes99291 | 16 | $216 |
Typical Medicare-allowed amounts for these services range $73–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-02
- Last updated
- 2008-12-05
Frequently asked questions
- What is Katherine Prybys's NPI number?
- Katherine Prybys's National Provider Identifier (NPI) is 1366570962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Prybys's specialty?
- Katherine Prybys is listed in the NPPES registry with a primary specialty of Medical Toxicology (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Prybys located?
- Katherine Prybys's practice location on file with NPPES is 110 South Paca Street, Baltimore, MD 21201.
- What is Katherine Prybys's phone number?
- The practice phone number listed in the NPPES registry for Katherine Prybys is (410) 328-8025.
- Does Katherine Prybys accept Medicare?
- Katherine Prybys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Prybys's NPI active?
- Yes — Katherine Prybys's NPI (1366570962) is active in the NPPES registry as of the last update on 2008-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.