NPPES file of Aug 9, 2026

Jimmy Diep, M.D.

Internal Medicine Physician · Long Beach, CA

Jimmy Diep, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1912944216, issued on Jun 2, 2006. Check the license (California A84643, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912944216
Name
Jimmy Diep
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A84643 CA
Self-reported in NPPES; status is on the state search
Practice location
4540 E 7TH St, Long Beach, CA 90804
Phone
(562) 344-1150
Enumerated
Jun 2, 2006
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(562) 344-1155
Medicaid ID
00A846430 CA
Medicare enrollment
Enrolled (PECOS I20050805000846); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 4540 E 7TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joan Anderson, FAMILY NPFamily Nurse Practitioner1164731071
  2. Vanessa Aveiro, PA-CMedical Physician Assistant1982698916
  3. Naziya Charaniya, NP-CFamily Nurse Practitioner1124455365
  4. John Duong, M.D.Internal Medicine Physician1356364889
  5. Caroline Frushour, N.P.Gerontology Nurse Practitioner1548616956
  6. Nansi Ann Sibal, NURSE PRACTITIONERFamily Nurse Practitioner1184986440

Verify Jimmy Diep in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84643    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

425 Medicare Part D claims for 163 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Jimmy Diep425
  2. Specialty average3,176

Most prescribed

  1. Cefpodoxime Proxetil30 claims
  2. Furosemide27 claims
  3. Amoxicillin-Clavulanate Potass21 claims
  4. Amlodipine Besylate15 claims
  5. Lisinopril14 claims
  6. Bisoprolol Fumarate13 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

  1. Southern California Permanente Medical GroupDowney, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jimmy Diep among 17,696 internal medicine physician records in California

Jimmy Diep, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

221 internal medicine physician records list a practice address in Long Beach

They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Long Beach → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Duong, M.D.Long Beach, CA 908041356364889
  2. Ronaldo Roque, M.D.Long Beach, CA 908041932397189
  3. Siamak Rouzroch, MDLong Beach, CA 908041730271685
  4. Michael Tehrani, M.D.Long Beach, CA 908041427320704
  5. Priyanka Gogte, MDLakewood, CA 908051518453422
  6. Sayeed Khan, M.D.Long Beach, CA 908051497757512
  7. Alexandria Lee, M.D.Long Beach, CA 908031598128183
  8. Ronald Tejada, MDLakewood, CA 908051407165079

Common questions

What is Jimmy Diep, M.D.'s NPI number?

Jimmy Diep, M.D.'s National Provider Identifier (NPI) is 1912944216, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jimmy Diep, M.D. located?

The NPPES record lists a practice address at 4540 E 7TH St, Long Beach, CA, 90804. Phone: (562) 344-1150. Providers update this record themselves, so call before visiting.

How can I verify Jimmy Diep, M.D.'s license?

NPPES lists California license number A84643, 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 Jimmy Diep, M.D. prescribe under Medicare Part D?

In 2024, Jimmy Diep, M.D. had 425 Medicare Part D claims for 163 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.