Gerald A. Cox, MD, MPH
Obesity Medicine (Internal Medicine) Physician · Lakewood, CA
Gerald A. Cox, MD, MPH is an obesity medicine (internal medicine) physician with a practice address in Lakewood, California, and NPI 1477041333, issued on Apr 26, 2018. Check the license (California A1735559, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gerald A. Cox
- Credential
- MD, MPH
- Primary taxonomy
- Obesity Medicine (Internal Medicine) Physician 207RB0002X
- License numbers
- A1735559 CA
MTL-2023-007 GU
Self-reported in NPPES; status is on the state search - Practice location
- 5750 Downey Ave Ste 303, Lakewood, CA 90712
- Phone
- (657) 708-0074
- Enumerated
- Apr 26, 2018
- Record last updated
- Feb 20, 2025
- Entity
- Type 1 · individual
8 nearest obesity medicine (internal medicine) physician records → All 17 in California → Look up another NPI →
Also registered at 5750 Downey Ave Ste 303
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Conrad Cox, M.D.Gastroenterology Physician1851338941
Verify Gerald A. Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A1735559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average obesity medicine (internal medicine) physician in 2024
795 Medicare Part D claims for 177 beneficiaries, against an average of 742 among the 106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ozempic274 claims
- Metformin Hcl Er142 claims
- Wegovy95 claims
- Naltrexone Hcl87 claims
- Bupropion Hcl Sr65 claims
- Topiramate61 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.
Gerald A. Cox among 17 obesity medicine (internal medicine) physician records in California
Gerald A. Cox, MD, MPH is one of 17 obesity medicine (internal medicine) physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 6% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RB0002X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obesity Medicine (Internal Medicine) Physician providers in California
There are 17 obesity medicine (internal medicine) physician records in California.
All 17 in California → Every provider in Lakewood → Obesity Medicine (Internal Medicine) Physician nationwide →
The 8 obesity medicine (internal medicine) physician records with the nearest ZIP codes
- Melissa Chung, MDSanta Monica, CA 904041285123265
- Randall Caldron, MDWest Hills, CA 913071053475822
- Viktoriya Yanchuk, D.O.West Hills, CA 913071932587169
- Amanda Velazquez, MDLos Angeles, CA 900481689014466
- Arthur Aronson, M.D.San Diego, CA 921011780030122
- Eduardo Grunvald, M.DSan Diego, CA 921031497791339
- Quyen Dao, M.D.Tustin, CA 927801932305034
- Harpreet Singh, MDOxnard, CA 930301942258124
Common questions
What is Gerald A. Cox, MD, MPH's NPI number?
Gerald A. Cox, MD, MPH's National Provider Identifier (NPI) is 1477041333, issued on Apr 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gerald A. Cox, MD, MPH located?
The NPPES record lists a practice address at 5750 Downey Ave Ste 303, Lakewood, CA, 90712. Phone: (657) 708-0074. Providers update this record themselves, so call before visiting.
How can I verify Gerald A. Cox, MD, MPH's license?
NPPES lists California license number A1735559, 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 Gerald A. Cox, MD, MPH prescribe under Medicare Part D?
In 2024, Gerald A. Cox, MD, MPH had 795 Medicare Part D claims for 177 beneficiaries; the average among obesity medicine (internal medicine) physician prescribers was 742. 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.