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

Dr. Gregory Hallert, MD

Individual provider Emergency Medicine Physician · NPI 1801882071

Dr. Gregory Hallert, MD is an Emergency Medicine in Los Angeles, California. Graduated from University of California, Geffen School of Medicine in 1999, 27 years ago. Practices with Cedars-Sinai Medical Center, a 795-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
27
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2005
Specialties on file
3
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

8700 Beverly Blvd
Los Angeles, CA 90048-1865
Phone: (310) 423-8600
Fax: (310) 967-1800
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A73357 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence A73357 (CA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence A73357 (CA)

Record details

NPI number1801882071
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 23, 2005
Last updated in NPPESAugust 14, 2014

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Cedars-Sinai Medical Center — 795 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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