NPPES file of Aug 9, 2026

Alexander Thermos, D.O., D.C.

Family Medicine Physician · Aliso Viejo, CA

Alexander Thermos, D.O., D.C. is a family medicine physician with a practice address in Aliso Viejo, California, and NPI 1104818491, issued on Aug 22, 2005. Check the license (California 20A11028, 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
1104818491
Name
Alexander Thermos
Credential
D.O., D.C.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
20A11028 CA
38341 CO
Self-reported in NPPES; status is on the state search
Practice location
125 Columbia, Aliso Viejo, CA 92656
Phone
(888) 564-2081
Enumerated
Aug 22, 2005
Record last updated
Jun 16, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(949) 429-0623
Medicaid ID
34170731 CO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Alexander Thermos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11028
    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

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

83 Medicare Part D claims for 21 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Alexander Thermos83
  2. Specialty average3,544

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.

Alexander Thermos among 17,133 family medicine physician records in California

Alexander Thermos, D.O., D.C. is one of 17,133 family 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2014 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family medicine physician records list a practice address in Aliso Viejo

They are 17 of the 568 NPPES records with a practice address in Aliso Viejo, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Chad Abbott, MDAliso Viejo, CA 926561285831602
  2. Anna Askari, MDAliso Viejo, CA 926561124515341
  3. Aaron Boor, D.O.Aliso Viejo, CA 926561598727216
  4. Kahesha Franklin, M.D.Aliso Viejo, CA 926561033493424
  5. Brian Hauser, M.D.Aliso Viejo, CA 926561982674438
  6. Amir JourabchiAliso Viejo, CA 926561184159337
  7. Ronald Mandel, D.O.Aliso Viejo, CA 926561659335420
  8. Tanushree Nair, DOAliso Viejo, CA 926561437730876

Common questions

What is Alexander Thermos, D.O., D.C.'s NPI number?

Alexander Thermos, D.O., D.C.'s National Provider Identifier (NPI) is 1104818491, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Thermos, D.O., D.C. located?

The NPPES record lists a practice address at 125 Columbia, Aliso Viejo, CA, 92656. Phone: (888) 564-2081. Providers update this record themselves, so call before visiting.

How can I verify Alexander Thermos, D.O., D.C.'s license?

NPPES lists California license number 20A11028, 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 Alexander Thermos, D.O., D.C. prescribe under Medicare Part D?

In 2024, Alexander Thermos, D.O., D.C. had 83 Medicare Part D claims for 21 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.