NPPES file of Aug 9, 2026

Michael Christopher Valdez, MD

Internal Medicine Physician · Yorba Linda, CA

Michael Christopher Valdez, MD is an internal medicine physician with a practice address in Yorba Linda, California, and NPI 1003472085, issued on May 14, 2019. Check the license (California A179939, 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
1003472085
Name
Michael Christopher Valdez
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A179939 CA
Self-reported in NPPES; status is on the state search
Practice location
4300 Rose Dr, Yorba Linda, CA 92886
Phone
(714) 577-6652
Enumerated
May 14, 2019
Record last updated
Jul 26, 2024
Fax
(714) 223-6777
Medicare enrollment
Enrolled (PECOS I20211027003021); accepts Medicare assignment
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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Also registered at 4300 Rose Dr

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

  1. Nazlee ArainPediatric Registered Nurse1528739927
  2. Anthony Bae, M.D.Internal Medicine Physician1194711945
  3. Marienelle Banez, M.D.Pediatrics Physician1689695082
  4. Abram Beshay, MDDermatology Physician1356874218
  5. Paul Bracho, LCSW MFTClinical Social Worker1326185018
  6. Ai-Vy Bui, DOPediatrics Physician1821557984

Verify Michael Christopher Valdez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A179939
    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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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

410 Medicare Part D claims for 193 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 14 claims were for opioids.

  1. Michael Valdez410
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass26 claims
  2. Cresemba22 claims
  3. Methylprednisolone16 claims
  4. Azithromycin15 claims
  5. Amlodipine Besylate14 claims
  6. Atorvastatin Calcium13 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: $50.73

2 payments; by number, the most common kind was food and beverage; the largest payer was Shionogi Inc. 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. Michael Valdez$50.73
  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. Providence Medical FoundationYorba Linda, CA

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

Michael Christopher Valdez among 17,696 internal medicine physician records in California

Michael Christopher Valdez, MD 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 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

17 internal medicine physician records list a practice address in Yorba Linda

They are 17 of the 748 NPPES records with a practice address in Yorba Linda, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Anthony Bae, M.D.Yorba Linda, CA 928861194711945
  2. Carl Buckhorn, M.D.Yorba Linda, CA 928861649264847
  3. Edward Campagna, M.D.Yorba Linda, CA 928861598991895
  4. Allison Foley, MDYorba Linda, CA 928861982604906
  5. Maximilian Garces, M.D.Yorba Linda, CA 928861588650436
  6. Robert Landman, M.D.Yorba Linda, CA 928861326035874
  7. Michael Lee, MDYorba Linda, CA 928861982334819
  8. Steve Lin, DOYorba Linda, CA 928861568783736

Common questions

What is Michael Christopher Valdez, MD's NPI number?

Michael Christopher Valdez, MD's National Provider Identifier (NPI) is 1003472085, issued on May 14, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Michael Christopher Valdez, MD located?

The NPPES record lists a practice address at 4300 Rose Dr, Yorba Linda, CA, 92886. Phone: (714) 577-6652. Providers update this record themselves, so call before visiting.

How can I verify Michael Christopher Valdez, MD's license?

NPPES lists California license number A179939, 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 Christopher Valdez, MD prescribe under Medicare Part D?

In 2024, Michael Christopher Valdez, MD had 410 Medicare Part D claims for 193 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.

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.