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

Dr. Margaret Ryan, MD, MPH

Individual provider Preventive Medicine/Occupational Environmental Medicine Physician · NPI 1619977618

Dr. Margaret Ryan, MD, MPH is a Preventive Medicine/Occupational Environmental Medicine Physician in San Diego, California. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

Nhrc Code 25 Box 85122
San Diego, CA 92186-5122
Phone: (619) 553-8097
Fax: (619) 553-7601
Show map & directions

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

Specialties & licences

Preventive Medicine/Occupational Environmental Medicine Physician (primary) Taxonomy 2083P0500X · Licence D42576 (MD)

Record details

NPI number1619977618
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedAugust 1, 2005
Last updated in NPPESJuly 13, 2026

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