Jerome Cohen, M.D.
Gastroenterology Physician · Torrance, CA
Jerome Cohen, M.D. is a gastroenterology physician with a practice address in Torrance, California, and NPI 1922036474, issued on Jun 30, 2006. Check the license (California G40804, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jerome Cohen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G40804 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23456 Hawthorne Blvd Ste 300, Torrance, CA 90505
- Phone
- (310) 539-2055
- Enumerated
- Jun 30, 2006
- Record last updated
- Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 530-3263
- Medicare enrollment
- Enrolled (PECOS I20040117000144); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 23456 Hawthorne Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Cho, M.D.Gastroenterology Physician1346433828
- Alessandra Dibernardo, PTAPhysical Therapy Assistant1801308283
- Bernard Felipe, PTAPhysical Therapy Assistant1306496484
- Yesenia French, FNPFamily Nurse Practitioner1760243521
- Liam Heng, AGACNPAcute Care Nurse Practitioner1316331838
- Tonny Lee, M.D.Gastroenterology Physician1639118748
Verify Jerome Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average gastroenterology physician in 2024
1,276 Medicare Part D claims for 392 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole432 claims
- Pantoprazole Sodium181 claims
- Famotidine146 claims
- Mesalamine76 claims
- Dexlansoprazole Dr38 claims
- Ursodiol25 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.
Industry payments in 2024: $1,708.18
85 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- South Bay Gastroenterology Medical GroupTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
- Constante Abaya, MDOxnard, CA1003918459
- Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
- Basim Abdelkarim, MDUpland, CA1932217544
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
Common questions
What is Jerome Cohen, M.D.'s NPI number?
Jerome Cohen, M.D.'s National Provider Identifier (NPI) is 1922036474, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jerome Cohen, M.D. located?
The NPPES record lists a practice address at 23456 Hawthorne Blvd Ste 300, Torrance, CA, 90505. Phone: (310) 539-2055. Providers update this record themselves, so call before visiting.
How can I verify Jerome Cohen, M.D.'s license?
NPPES lists California license number G40804, 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 Jerome Cohen, M.D. prescribe under Medicare Part D?
In 2024, Jerome Cohen, M.D. had 1,276 Medicare Part D claims for 392 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.