HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

PETER NELKEN

NURSE PRACTITIONER

Graduated: 2010

NPI: 1538431804

Practice Locations (4)

UCSF MEDICAL GROUP BUSINESS SERVICES

400 PARNASSUS AVE

SAN FRANCISCO, CA 941432202

UCSF MEDICAL GROUP BUSINESS SERVICES

505 PARNASSUS AVE

SAN FRANCISCO, CA 941432204

4154761000

UCSF MEDICAL GROUP BUSINESS SERVICES

505 PARNASSUS AVE, M1490

SAN FRANCISCO, CA 941432204

4154721000

UCSF MEDICAL GROUP BUSINESS SERVICES

521 PARNASSUS AVE

SAN FRANCISCO, CA 941432204

4154761000

Source: CMS National Downloadable File, September 2026.

PETER NELKEN | HealthCareAtlasUSA