NPPES file of Aug 9, 2026

Michael A. Wilson, M.D.

Internal Medicine Physician · Redlands, CA

Michael A. Wilson, M.D. is an internal medicine physician with a practice address in Redlands, California, and NPI 1740229293, issued on Jun 6, 2006. Check the license (California G75159, 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
1740229293
Name
Michael A. Wilson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G75159 CA
Self-reported in NPPES; status is on the state search
Practice location
1600 E Citrus Ave, Redlands, CA 92374
Phone
(909) 794-3682
Enumerated
Jun 6, 2006
Record last updated
Jan 15, 2026
Fax
(909) 796-4158
Medicaid ID
00G751591 CA
Medicare enrollment
Enrolled (PECOS I20060323000486); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1991
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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 1600 E Citrus Ave

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

  1. Michelle Anderson, M.D.Pediatrics Physician1467499616
  2. Amy Blackmon, MDInternal Medicine Physician1134549884
  3. Robert Bourne, M.D.Family Medicine Physician1417985847
  4. Katrina Carter, MDFamily Medicine Physician1013994102
  5. Mouna Haddad-Wilson, M.D.Internal Medicine Physician1114946340
  6. Wesley Hoenshell, MDFamily Medicine Physician1518914316

Verify Michael A. Wilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G75159    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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4.5 times the Medicare Part D claims of the average internal medicine physician in 2024

14,384 Medicare Part D claims for 1,283 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 403 claims were for opioids.

  1. Michael Wilson14,384
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium770 claims
  2. Rosuvastatin Calcium484 claims
  3. Levothyroxine Sodium469 claims
  4. Amlodipine Besylate447 claims
  5. Losartan Potassium439 claims
  6. Tamsulosin Hcl359 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.

Bills Medicare through one group practice

  1. Beaver Medical Group P CRedlands, CA

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

Michael A. Wilson among 17,696 internal medicine physician records in California

Michael A. Wilson, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 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).

56 internal medicine physician records list a practice address in Redlands

They are 56 of the 2,498 NPPES records with a practice address in Redlands, and 17,696 internal medicine physician records in California.

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

The 8 internal medicine physician records with the nearest ZIP codes

  1. Victor Bassuk, MDRedlands, CA 923741518231356
  2. Ravi Bhatia, M.D.Redlands, CA 923741942510540
  3. Amy Blackmon, MDRedlands, CA 923741134549884
  4. Archis Desai, M.D.Redlands, CA 923741396141230
  5. Arnon Desai, M.D.Redlands, CA 923741619339991
  6. Mouna Haddad-Wilson, M.D.Redlands, CA 923741114946340
  7. Shazia Hyder, MDRedlands, CA 923741225206253
  8. Hashem Lababidi, DORedlands, CA 923741770164485

Common questions

What is Michael A. Wilson, M.D.'s NPI number?

Michael A. Wilson, M.D.'s National Provider Identifier (NPI) is 1740229293, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Wilson, M.D. located?

The NPPES record lists a practice address at 1600 E Citrus Ave, Redlands, CA, 92374. Phone: (909) 794-3682. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Wilson, M.D.'s license?

NPPES lists California license number G75159, 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 Michael A. Wilson, M.D. prescribe under Medicare Part D?

In 2024, Michael A. Wilson, M.D. had 14,384 Medicare Part D claims for 1,283 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.