NPPES file of Aug 9, 2026

Michael Adam Waldman, M.D.

Internal Medicine Physician · Irvine, CA

Michael Adam Waldman, M.D. is an internal medicine physician with a practice address in Irvine, California, and NPI 1184663932, issued on Jun 6, 2006. Check the license (California A50052, 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
1184663932
Name
Michael Adam Waldman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A50052 CA
Self-reported in NPPES; status is on the state search
Practice location
16100 Sand Canyon Ave, Irvine, CA 92618
Phone
(949) 600-8260
Enumerated
Jun 6, 2006
Record last updated
May 30, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(949) 600-8264
Medicare enrollment
Enrolled (PECOS I20050913000198); 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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 16100 Sand Canyon Ave

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

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  2. Steven Bounds, D.D.S.Periodontics1184643538
  3. Charles BrownDentist1841342003
  4. Sepideh Caviar, DMDGeneral Practice Dentistry1790858488
  5. Edward Chin, D.P.M.Podiatrist1932176609
  6. Lino Deguzman, M.D.Gastroenterology Physician1346324720

Verify Michael Adam Waldman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A50052    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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37% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,991 Medicare Part D claims for 205 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Michael Waldman1,991
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium137 claims
  2. Losartan Potassium135 claims
  3. Rosuvastatin Calcium133 claims
  4. Amlodipine Besylate127 claims
  5. Levothyroxine Sodium95 claims
  6. Gabapentin44 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: $120.35

1 payment: food and beverage; the largest payer was Lilly USA, LLC. 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 Waldman$120.35
  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. Hoag ClinicIrvine, CA

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

Michael Adam Waldman among 17,696 internal medicine physician records in California

Michael Adam Waldman, 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
  • Graduated1985 · median 2004 among the 11,065 with a school on file
  • Record last updated2017 · 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).

155 internal medicine physician records list a practice address in Irvine

They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.

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

The 8 internal medicine physician records with the nearest ZIP codes

  1. Savitha Bharadwaj, M.D.Irvine, CA 926181760470926
  2. Juan Cabrera, M.D.Irvine, CA 926181447254792
  3. William Chen, M.D.Irvine, CA 926181881659142
  4. Subrato Ghosh, MDIrvine, CA 926181083607055
  5. Kambiz Karimi, M.D.Irvine, CA 926181184688475
  6. Sara Kim, M.D.Irvine, CA 926181912944166
  7. Brian Lo, MDIrvine, CA 926181073501565
  8. Emad Mikhail, MDIrvine, CA 926181376582957

Common questions

What is Michael Adam Waldman, M.D.'s NPI number?

Michael Adam Waldman, M.D.'s National Provider Identifier (NPI) is 1184663932, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Adam Waldman, M.D. located?

The NPPES record lists a practice address at 16100 Sand Canyon Ave, Irvine, CA, 92618. Phone: (949) 600-8260. Providers update this record themselves, so call before visiting.

How can I verify Michael Adam Waldman, M.D.'s license?

NPPES lists California license number A50052, 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 Adam Waldman, M.D. prescribe under Medicare Part D?

In 2024, Michael Adam Waldman, M.D. had 1,991 Medicare Part D claims for 205 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.