Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mary Katherine Elfrey, DO

Individual provider Cardiovascular Disease Physician · NPI 1760645519

Mary Katherine Elfrey, DO is a Cardiovascular Disease (Cardiology) in Baltimore, Maryland. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2008, 18 years ago. Practices with St Paul Place Specialists, Inc, a 339-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
18
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
MD
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

3407 Wilkens Ave Ste 300
Baltimore, MD 21229-5222
Phone: (410) 644-5111
Fax: (410) 644-2715
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence H0078507 (MD)

Record details

NPI number1760645519
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 2, 2008
Last updated in NPPESApril 25, 2018
Mailing address3407 Wilkens Ave Ste 300, Baltimore, MD 21229-5222

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2008 (18 years in practice)
Group practice St Paul Place Specialists, Inc. — 339 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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