NPPES file of Aug 9, 2026

Adrian Lemar James, M.D.

Internal Medicine Physician · Oakland, CA

Adrian Lemar James, M.D. is an internal medicine physician with a practice address in Oakland, California, and NPI 1356495261, issued on Jan 22, 2007. Check the license (California G79583, 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
1356495261
Name
Adrian Lemar James
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G79583 CA
Self-reported in NPPES; status is on the state search
Practice location
700 Adeline St, Oakland, CA 94607
Phone
(510) 835-9610
Enumerated
Jan 22, 2007
Record last updated
Mar 9, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(510) 893-3540
Medicaid ID
G079583 CA
Medicare enrollment
Enrolled (PECOS I20120724000163); accepts Medicare assignment
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 700 Adeline St

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

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  2. Chandra Bhavnani, M.D.Obstetrics & Gynecology Physician1821118191
  3. Donna Byrd, LCSWClinical Social Worker1912117987
  4. Xuelu ChenDental Hygienist1316510936
  5. Robert Cooper, M.D.Pediatrics Physician1609993625
  6. Keesha Cravanas, CNSClinical Nurse Specialist1124216890

Verify Adrian Lemar James in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79583    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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2.8 times the Medicare Part D claims of the average internal medicine physician in 2024

8,956 Medicare Part D claims for 527 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 1,732 claims were for opioids.

  1. Adrian James8,956
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen1,230 claims
  2. Albuterol Sulfate Hfa460 claims
  3. Amlodipine Besylate393 claims
  4. Atorvastatin Calcium335 claims
  5. Gabapentin335 claims
  6. Hydrochlorothiazide256 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: $30.60

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adrian James$30.60
  2. Specialty average$1,303.06

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. The West Oakland Health CouncilOakland, CA

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

Adrian Lemar James among 17,696 internal medicine physician records in California

Adrian Lemar James, 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1992 · median 2004 among the 11,065 with a school on file
  • Record last updated2012 · 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).

432 internal medicine physician records list a practice address in Oakland

They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California.

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

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marilyn Ancel, MDOakland, CA 946071295813087
  2. Clayton Chan, MDOakland, CA 946071972682037
  3. Stewart Fong, MDOakland, CA 946071659459436
  4. Xiaoguang Huang, M.D., PHD.Oakland, CA 946071235179870
  5. Susan Mei Huang, MDOakland, CA 946071093894032
  6. Dennis Ing, MDOakland, CA 946071477631257
  7. Anthony Iton, M.D.Oakland, CA 946071609961101
  8. Nicola Longmuir, MDOakland, CA 946071710065511

Common questions

What is Adrian Lemar James, M.D.'s NPI number?

Adrian Lemar James, M.D.'s National Provider Identifier (NPI) is 1356495261, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adrian Lemar James, M.D. located?

The NPPES record lists a practice address at 700 Adeline St, Oakland, CA, 94607. Phone: (510) 835-9610. Providers update this record themselves, so call before visiting.

How can I verify Adrian Lemar James, M.D.'s license?

NPPES lists California license number G79583, 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 Adrian Lemar James, M.D. prescribe under Medicare Part D?

In 2024, Adrian Lemar James, M.D. had 8,956 Medicare Part D claims for 527 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.