Registry data as of Aug 27, 2026

James Boozer, MD

Internal Medicine Physician · Modesto, CA

James Boozer, MD is an internal medicine physician with a practice address in Modesto, California, and NPI 1427046986, issued on Oct 10, 2005. Check the license (California G55121, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427046986
Name
James Boozer
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G55121 CA
Self-reported in NPPES; status is on the state search
Practice location
1541 Florida Ave, Modesto, CA 95350
Phone
(209) 577-3388
Enumerated
Oct 10, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1541 Florida Ave

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

  1. Humayun Abbas, MDInternal Medicine Physician1336136548
  2. Ricky Bassi, MDEndocrinology, Diabetes & Metabolism Physician1215025465
  3. Phillip Beck, M.D.Urology Physician1447276548
  4. Jay Chen, M.D.Specialist1053340778
  5. Tanya Dam, DOGastroenterology Physician1104105030
  6. Curtis Dewar, M.D.Urology Physician1467485896

Verify James Boozer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G55121
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5.1 times the Medicare Part D claims of the average internal medicine physician in 2024

16,112 Medicare Part D claims for 1,006 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 595 claims were for opioids.

  1. James Boozer16,112
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,021 claims
  2. Levothyroxine Sodium850 claims
  3. Losartan Potassium664 claims
  4. Amlodipine Besylate603 claims
  5. Lisinopril489 claims
  6. Gabapentin431 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.

2 hospital and facility affiliations

  1. Shane Speirs MD PCModesto, CA
  2. Sonora Community HospitalGroveland, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

129 internal medicine physician records list a Modesto practice address

They are 129 of the 9,262 NPPES records with a Modesto practice address, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is James Boozer, MD's NPI number?

James Boozer, MD's National Provider Identifier (NPI) is 1427046986, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Boozer, MD located?

The NPPES record lists a practice address at 1541 Florida Ave, Modesto, CA, 95350. Phone: (209) 577-3388. Providers update this record themselves, so call before visiting.

How can I verify James Boozer, MD's license?

NPPES lists California license number G55121, 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 James Boozer, MD prescribe under Medicare Part D?

In 2024, James Boozer, MD had 16,112 Medicare Part D claims for 1,006 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), loaded Aug 27, 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) 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 27, 2026.