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

Maureen D Passaro, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1316940141

Maureen D Passaro, MD is an Endocrinology in Olney, Maryland. Graduated from New York Medical College in 1990, 36 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
36
Trained at
New York Medical College
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

18109 Prince Philip Dr Ste B
Olney, MD 20832-1519
Phone: (301) 774-4529
Fax: (301) 774-5652
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence D0044487 (MD)

Record details

NPI number1316940141
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJanuary 30, 2024
Certification dateJanuary 30, 2024
Mailing address2901 Olney Sandy Spring Rd, Olney, MD 20832-1521

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1990 (36 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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