Mary Kay Ewing, MD
NPI 1609873348 · Anesthesiology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Kay Ewing, MD is a Anesthesiology Physician provider in Baltimore, MD (NPI 1609873348).
Provider details
- NPI number
- 1609873348
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0041059 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2019-07-03
Frequently asked questions
- What is Mary Kay Ewing's NPI number?
- Mary Kay Ewing's National Provider Identifier (NPI) is 1609873348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Kay Ewing's specialty?
- Mary Kay Ewing is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Kay Ewing located?
- Mary Kay Ewing's practice location on file with NPPES is 900 Canton Ave, Baltimore, MD 21229.
- What is Mary Kay Ewing's phone number?
- The practice phone number listed in the NPPES registry for Mary Kay Ewing is (410) 368-3045.
- Does Mary Kay Ewing accept Medicare?
- Mary Kay Ewing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Kay Ewing's NPI active?
- Yes — Mary Kay Ewing's NPI (1609873348) is active in the NPPES registry as of the last update on 2019-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.