NPPES file of Aug 9, 2026

Claire Nelson, M.D.

Addiction Medicine (Preventive Medicine) Physician · Redlands, CA

Claire Nelson, M.D. is an addiction medicine (preventive medicine) physician with a practice address in Redlands, California, and NPI 1447447776, issued on Oct 1, 2007. Check the license (California A101635, 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
1447447776
Name
Claire Nelson
Credential
M.D.
Primary taxonomy
Addiction Medicine (Preventive Medicine) Physician 2083A0300X
License number
A101635 CA
Self-reported in NPPES; status is on the state search
Practice location
1889 W Redlands Blvd Unit 9, Redlands, CA 92373
Phone
(909) 501-5167
Enumerated
Oct 1, 2007
Record last updated
Feb 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 801-8133
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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Verify Claire Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A101635
    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: $110.52

1 payment: food and beverage; the largest payer was Braeburn Inc. The 112 providers of this specialty with any payment received $596.46 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Claire Nelson$110.52
  2. Specialty average$596.46

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Claire Nelson among 50 addiction medicine (preventive medicine) physician records in California

Claire Nelson, M.D. is one of 50 addiction medicine (preventive medicine) physician records with a practice address in California. 78% 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 22% of them.

  • NPI issued2007 · 22% of these records are older, 66% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2021 · 12% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Preventive Medicine) Physician providers in California

There are 50 addiction medicine (preventive medicine) physician records in California.

The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Rafik Saleh, MD, MPHRialto, CA 923761144725854
  2. Ralph Clark, M.D.Loma Linda, CA 923571336317239
  3. Adley Dason, M.DLoma Linda, CA 923541609224369
  4. Kunal Doshi, MDSan Bernardino, CA 924151114594777
  5. Joseph Mott, M.D., J.D.Palm Springs, CA 922621033452727
  6. Steven Ruh, M.D.Riverside, CA 925011902929193
  7. Michael Valdez, M.D.Riverside, CA 925011205923224
  8. Barry Solof, M.D.Banning, CA 922201871664839

Common questions

What is Claire Nelson, M.D.'s NPI number?

Claire Nelson, M.D.'s National Provider Identifier (NPI) is 1447447776, issued on Oct 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Claire Nelson, M.D. located?

The NPPES record lists a practice address at 1889 W Redlands Blvd Unit 9, Redlands, CA, 92373. Phone: (909) 501-5167. Providers update this record themselves, so call before visiting.

How can I verify Claire Nelson, M.D.'s license?

NPPES lists California license number A101635, 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.

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.