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

Gretchen Metzenberg, DO

Individual provider Pediatrics Physician · NPI 1437531977

Gretchen Metzenberg, DO is a Pediatric Medicine in Los Angeles, California. Qualified in 2015, 11 years ago. Practices with UCSF Pediatrics Associates, a 107-clinician group and accepts Medicare assignment. Licensed in California and Pennsylvania.

Years since qualifying
11
Licensed in
CA, PA
In the registry since
2015
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

4650 W Sunset Blvd
Los Angeles, CA 90027-6062
Phone: (323) 660-2450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 20A18648 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence OT016722 (PA)

Record details

NPI number1437531977
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 21, 2015
Last updated in NPPESFebruary 27, 2023
Certification dateFebruary 23, 2023

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Ucsf Pediatrics Associates — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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