NPPES file of Aug 9, 2026

David Thomas, MD

Emergency Medicine Physician · Placentia, CA

David Thomas, MD is an emergency medicine physician with a practice address in Placentia, California, and NPI 1083705628, issued on Sep 27, 2006. Check the license (California G72902, 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
1083705628
Name
David Thomas
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G72902 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 Rose Drive, Placentia, CA 92870
Phone
(714) 993-2000
Enumerated
Sep 27, 2006
Record last updated
May 7, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
00G729050 CA
Medicare enrollment
Enrolled (PECOS I20070706000397); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1990
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 1301 Rose Drive

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

  1. Kristin Rodriguez, DOEmergency Medicine Physician1205880598

Verify David Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G72902
    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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89% fewer Medicare Part D claims than the average emergency medicine physician in 2024

25 Medicare Part D claims for 17 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. David Thomas25
  2. Specialty average226

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: $95.66

4 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Thomas$95.66
  2. Specialty average$953.79

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

Bills Medicare through 2 group practices

  1. Can Emergency Physicians Medical Group IncTustin, CA
  2. OC Emergency PhysiciansTustin, CA

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

David Thomas among 7,751 emergency medicine physician records in California

David Thomas, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1990 · median 2011 among the 4,560 with a school on file
  • Record last updated2008 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 emergency medicine physician records list a practice address in Placentia

They are 10 of the 1,002 NPPES records with a practice address in Placentia, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Thao Do, D.O.Placentia, CA 928701073861712
  2. Brian Doyle, M.D.Placentia, CA 928701710952346
  3. Darren Hom, MDPlacentia, CA 928701861438947
  4. Bryan Hoynak, MDPlacentia, CA 928701316989130
  5. Eugene Kim, M.D.Placentia, CA 928701265469977
  6. Paulina Mendoza-Mancini, DOPlacentia, CA 928701255595054
  7. Eric Quimbo, D.O.Placentia, CA 928701326183344
  8. Kristin Rodriguez, DOPlacentia, CA 928701205880598

Common questions

What is David Thomas, MD's NPI number?

David Thomas, MD's National Provider Identifier (NPI) is 1083705628, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Thomas, MD located?

The NPPES record lists a practice address at 1301 Rose Drive, Placentia, CA, 92870. Phone: (714) 993-2000. Providers update this record themselves, so call before visiting.

How can I verify David Thomas, MD's license?

NPPES lists California license number G72902, 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 David Thomas, MD prescribe under Medicare Part D?

In 2024, David Thomas, MD had 25 Medicare Part D claims for 17 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.