NPPES file of Aug 9, 2026

Daniel Cremin, M.D.

Geriatric Medicine (Internal Medicine) Physician · Concord, CA

Daniel Cremin, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Concord, California, and NPI 1386867422, issued on Apr 10, 2007. Check the license (California A40392, 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
1386867422
Name
Daniel Cremin
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A40392 CA
Self-reported in NPPES; status is on the state search
Practice location
3052 Willow Pass RD, Concord, CA 94519
Phone
(925) 646-5320
Enumerated
Apr 10, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(925) 646-5045
Medicaid ID
00A403920 CA
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 3052 Willow Pass RD

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

  1. Jenny Blackman, NPPrimary Care Nurse Practitioner1518400183
  2. Martin Escandon, MD, MPHFamily Medicine Physician1851753115
  3. Ingrid Fernandes, M.D.Infectious Disease Physician1356342638
  4. Chere Sealey-Nott, NPNurse Practitioner1316298011

Verify Daniel Cremin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A40392
    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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100% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

11 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Daniel Cremin11
  2. Specialty average4,246

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.

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

Other geriatric medicine (internal medicine) physician records in California

  1. Adil Abbasi, M.D.La Jolla, CA1548261316
  2. Shashidar Acharya, M.D.Orange, CA1770685521
  3. Marie AdachiLos Angeles, CA1629496740
  4. Pouya Afshar, M.D.San Diego, CA1184958977
  5. Parag Agnihotri, M.D.San Diego, CA1447351085
  6. Andreas Ahlas, M.D.Bakersfield, CA1326200833
  7. Waseem Ahmed, MDSanta Rosa, CA1386803559
  8. Paul AisenSan Diego, CA1669470753
  9. Mahmuda Alam, M.D.Glendale, CA1568659985
  10. Cathy Alessi, M.D.North Hills, CA1134224983

Common questions

What is Daniel Cremin, M.D.'s NPI number?

Daniel Cremin, M.D.'s National Provider Identifier (NPI) is 1386867422, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Cremin, M.D. located?

The NPPES record lists a practice address at 3052 Willow Pass RD, Concord, CA, 94519. Phone: (925) 646-5320. Providers update this record themselves, so call before visiting.

How can I verify Daniel Cremin, M.D.'s license?

NPPES lists California license number A40392, 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 Daniel Cremin, M.D. prescribe under Medicare Part D?

In 2024, Daniel Cremin, M.D. had 11 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.