Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Michael James Leininger Jr., MSN, RN, AGACNP-BC

Individual provider Critical Care Medicine Registered Nurse · NPI 1174178933

Michael James Leininger Jr., MSN, RN, AGACNP-BC is a Critical Care Medicine Registered Nurse in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2019
Specialties on file
3
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

3555 Cesar Chavez
San Francisco, CA 94110-4403
Phone: (415) 600-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine Nurse Practitioner (primary) Taxonomy 363LC0200X · Licence 95015990 (CA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 95043215 (CA)
Emergency Registered Nurse Taxonomy 163WE0003X · Licence 95043215 (CA)

Record details

NPI number1174178933
Entity typeIndividual (Type 1)
GenderMale
Credentials MSN , RN , AGACNP-BC
Sole proprietorYes
NPI enumeratedAugust 7, 2019
Last updated in NPPESNovember 19, 2020
Certification dateNovember 18, 2020

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