Mary ElfreyDO
Cardiology·Baltimore, MD
Mary Elfrey, DO is a Cardiology provider in Baltimore, MD, as of July 2026.
- NPI1760645519
- Registered2008
- Class of2008
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Mary Elfrey at a glance
- Provider
- Mary Elfrey
- Credential
- DO
- Specialty
- Cardiovascular Disease (Cardiology)
- Procedures
- Cardiology CPT codes
- Location
- Baltimore, MD
- Medical school
- New York College of Osteo Medicine of New York Institute of Technology
- Graduated
- 2008
- NPI registered
- 2008
- NPI
- 1760645519
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Mary Elfrey practice?
Mary Elfrey, DO is based in Baltimore, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mary Elfrey's NPI number?
Mary Elfrey's National Provider Identifier (NPI) is 1760645519, registered in 2008. Specialty on record: Cardiovascular Disease (Cardiology); credential DO.
Where did Mary Elfrey go to medical school?
Mary Elfrey, DO attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 2008.
How many Cardiology providers in Maryland work at ambulatory surgery centers?
159 Cardiology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mary Elfrey among them. The Maryland Cardiology directory lists each one by city with credential, NPI, and center affiliations.
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