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

Mrs. Marilynn Alper Ritter, FNP

Individual provider Family Nurse Practitioner · NPI 1346315306

Mrs. Marilynn Alper Ritter, FNP is a Family Nurse Practitioner in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1201 Fillmore St
San Francisco, CA 94115-4110
Phone: (415) 292-5030
Fax: (415) 292-3707
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 477313 (CA)

Record details

NPI number1346315306
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedNovember 22, 2006
Last updated in NPPESJuly 16, 2007

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