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

Dr. Mary Kathryn Collins, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1821446196

Dr. Mary Kathryn Collins, DO is a Hospitalist in Bethesda, Maryland. Graduated from Philadelphia College of Osteopathic Medicine in 2016, 10 years ago. Licensed in Virginia.

Years since qualifying
10
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
VA
In the registry since
2016
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 Partly verified

Some contact details are missing from the federal record.

Walter Reed National Military Medical Center 8901 Wisconsin Ave
Bethesda, MD 20889
Phone: (301) 295-2045
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 0102205111 (VA)

Record details

NPI number1821446196
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 27, 2016
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2016 (10 years in practice)
Accepts Medicare assignment Not indicated

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