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

Dr. Frederick Joseph Kretzschmar, MD

Individual provider Nuclear Medicine Physician · NPI 1245348861

Dr. Frederick Joseph Kretzschmar, MD is a Pathology in Greenbrae, California. Graduated from Vanderbilt University School of Medicine in 1981, 45 years ago. Practices with Marin Medical Laboratories, an 8-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Trained at
Vanderbilt University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

250 Bon Air Rd
Greenbrae, CA 94904
Phone: (415) 925-7174
Fax: (415) 898-0870
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence G49874 (CA)
Nuclear Medicine Physician Taxonomy 207U00000X · Licence G49874 (CA)

Record details

NPI number1245348861
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 12, 2007

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Also practisesNUCLEAR MEDICINE
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Marin Medical Laboratories — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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