NPPES file of Aug 9, 2026

James R. Hemp, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Diego, CA

James R. Hemp, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in San Diego, California, and NPI 1124006382, issued on Jan 6, 2006. Check the license (California G53854, 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
1124006382
Name
James R. Hemp
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
G53854 CA
Self-reported in NPPES; status is on the state search
Practice location
4033 3RD Ave, San Diego, CA 92103
Phone
(619) 297-5600
Enumerated
Jan 6, 2006
Record last updated
Jan 4, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
00G538540 CA
Medicare enrollment
Enrolled (PECOS I20040310001561); accepts Medicare assignment
Medical or professional school
Uniformed Services Uhs Fe Hebert School Of Med, 1983
Telehealth
Offers telehealth (CMS)
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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Also registered at 4033 3RD Ave

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

  1. Cynthia Crist, MSN, FNP, APRN-BCFamily Nurse Practitioner1366657603
  2. Paul Goodman, MDOtolaryngology Physician1700805124
  3. Mohammad Islami Manuchehry, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1841362241
  4. Danny Keiller, M.D.Urology Physician1346356961
  5. Jonathan Licht, MDNeurology Physician1356321988
  6. Susan Perry, M.A.Audiologist-Hearing Aid Fitter1477560845

Verify James R. Hemp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53854    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $552.81

9 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Hemp$552.81
  2. Specialty average$7,828.84

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

  1. Scripps HealthSan Diego, CA

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

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California

There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.

All 634 in California → Every provider in San Diego →

Other thoracic surgery (cardiothoracic vascular surgery) physician records in California

  1. Kelechi Abanobi, M.DLos Angeles, CA1720236953
  2. Amir Abolhoda, MDOrange, CA1891875951
  3. Reginald Abraham, M DFountain Valley, CA1720042864
  4. Adrian Acuna HigakiLos Angeles, CA1831991454
  5. Robert Adamson, M.D.San Diego, CA1043292584
  6. Alaa Afifi, MDSanta Ana, CA1609802552
  7. Ricardo Aguirre, MDDanville, CA1699739219
  8. Palash Aiyer, MDSan Francisco, CA1649832213
  9. Andrew Akcelik, MDSan Francisco, CA1992298319
  10. Akbarshakh Akhmerov, MDWest Hollywood, CA1215464276

Common questions

What is James R. Hemp, M.D.'s NPI number?

James R. Hemp, M.D.'s National Provider Identifier (NPI) is 1124006382, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James R. Hemp, M.D. located?

The NPPES record lists a practice address at 4033 3RD Ave, San Diego, CA, 92103. Phone: (619) 297-5600. Providers update this record themselves, so call before visiting.

How can I verify James R. Hemp, M.D.'s license?

NPPES lists California license number G53854, 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.

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.