Gregory P. Lee, MD
Emergency Medicine Physician · Los Angeles, CA
Gregory P. Lee, MD is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1437219615, issued on Dec 11, 2006. Check the license (California G74649, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory P. Lee
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G74649 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6041 Cadillac Ave, Los Angeles, CA 90034
- Phone
- (323) 857-2000
- Enumerated
- Dec 11, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100611000674); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 6041 Cadillac Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Angeli Agatep, MDInternal Medicine Physician1194873067
- Roberto AguiluzRegistered Respiratory Therapist1184102675
- Jose Aguinada, DPTPhysical Therapist1356067151
- Blasius AgumPsychiatric/Mental Health Nurse Practitioner1063293207
Verify Gregory P. Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
489 Medicare Part D claims for 308 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 39 claims were for opioids.
Most prescribed
- Azithromycin44 claims
- Cephalexin41 claims
- Amoxicillin28 claims
- Tramadol Hcl25 claims
- Ondansetron Hcl18 claims
- Prednisone16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory P. Lee among 7,751 emergency medicine physician records in California
Gregory P. Lee, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Teresa Bartlett, MDLos Angeles, CA 900341508925256
- Matthew Berry, MDLos Angeles, CA 900341013076777
- Tina Chao, MDLos Angeles, CA 900341639238207
- Jay Lee, M.D.Los Angeles, CA 900341871535971
- Michael Mackanic, MDLos Angeles, CA 900341447327333
- Laurie Naito, MDLos Angeles, CA 900341154498020
- Paula Pearlman, MDLos Angeles, CA 900341366519258
- Robin Polansky, MD, MPHLos Angeles, CA 900341912951799
Common questions
What is Gregory P. Lee, MD's NPI number?
Gregory P. Lee, MD's National Provider Identifier (NPI) is 1437219615, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory P. Lee, MD located?
The NPPES record lists a practice address at 6041 Cadillac Ave, Los Angeles, CA, 90034. Phone: (323) 857-2000. Providers update this record themselves, so call before visiting.
How can I verify Gregory P. Lee, MD's license?
NPPES lists California license number G74649, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory P. Lee, MD prescribe under Medicare Part D?
In 2024, Gregory P. Lee, MD had 489 Medicare Part D claims for 308 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.