Thomas Allen, M.D.
Emergency Medicine Physician · Oceanside, CA
Thomas Allen, M.D. is an emergency medicine physician with a practice address in Oceanside, California, and NPI 1144607888, issued on May 1, 2015. Check the license (California 161260, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Allen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 161260 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Mercy Circle, Oceanside, CA 92055
- Phone
- (760) 719-3365
- Enumerated
- May 1, 2015
- Entity
- Type 1 · individual
Also registered at 200 Mercy Circle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenric Aban, M.D.General Practice Physician1336218023
- Benjamin Abney, MDCritical Care Medicine (Anesthesiology) Physician1366933186
- Dora Akuetteh-Saforo, M.D, FAAFPFamily Medicine Physician1083616783
- Regina Albaladejo, PT, MSPT, WCSPhysical Therapist1588656532
- Elizabeth Albizo, OTRHand Occupational Therapist1609107291
- Ria AllenOccupational Therapist1134846587
Verify Thomas Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 161260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
91% fewer Medicare Part D claims than the average emergency medicine physician in 2024
31 Medicare Part D claims for 23 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.
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.
44 emergency medicine physician records list a Oceanside practice address
They are 44 of the 3,438 NPPES records with a Oceanside practice address, and 7,133 emergency medicine physician records in California.
All 44 in Oceanside → All 7,133 in California → Every provider in Oceanside →
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Thomas Allen, M.D.'s NPI number?
Thomas Allen, M.D.'s National Provider Identifier (NPI) is 1144607888, issued on May 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Allen, M.D. located?
The NPPES record lists a practice address at 200 Mercy Circle, Oceanside, CA, 92055. Phone: (760) 719-3365. Providers update this record themselves, so call before visiting.
How can I verify Thomas Allen, M.D.'s license?
NPPES lists California license number 161260, 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 Thomas Allen, M.D. prescribe under Medicare Part D?
In 2024, Thomas Allen, M.D. had 31 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.