Alyssa Jean Thomas, MD
Addiction Medicine (Family Medicine) Physician · Los Angeles, CA
Alyssa Jean Thomas, MD is an addiction medicine (family medicine) physician with a practice address in Los Angeles, California, and NPI 1518548346, issued on Apr 14, 2021. Check the license (California 194531, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alyssa Jean Thomas
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- 194531 CA
Self-reported in NPPES; status is on the state search - Practice location
- 442 Crocker St, Los Angeles, CA 90013
- Phone
- (213) 727-6717
- Enumerated
- Apr 14, 2021
- Record last updated
- Dec 18, 2025
- Fax
- (323) 693-0016
- Medicare enrollment
- Enrolled (PECOS I20250717003623); may accept Medicare assignment
- Medical or professional school
- F H Netter, M.D. School Of Med At Quinnipiac Univ, 2021
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Verify Alyssa Jean Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 194531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
594 Medicare Part D claims for 113 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium25 claims
- Gabapentin24 claims
- Albuterol Sulfate Hfa23 claims
- Amlodipine Besylate22 claims
- Levothyroxine Sodium19 claims
- Atorvastatin Calcium18 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.
Alyssa Jean Thomas among 124 addiction medicine (family medicine) physician records in California
Alyssa Jean Thomas, MD is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2021 · median 2015 among the 64 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Los Angeles → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- William Eidelman, M.D.Los Angeles, CA 900281841442290
- Daniel Radnia, M.D.Los Angeles, CA 900351659394633
- Abraham Malkin, M.D.Los Angeles, CA 900481073856845
- David Koroshec, MDLos Angeles, CA 900571104912336
- Gigi Simmons, MDLos Angeles, CA 900591891288957
- Matthew Torrington, M.D.Culver City, CA 902301568581296
- Alexander Pappas, MDVenice, CA 902911033596143
- Joy Hao, MDSanta Monica, CA 904041245543214
Common questions
What is Alyssa Jean Thomas, MD's NPI number?
Alyssa Jean Thomas, MD's National Provider Identifier (NPI) is 1518548346, issued on Apr 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Jean Thomas, MD located?
The NPPES record lists a practice address at 442 Crocker St, Los Angeles, CA, 90013. Phone: (213) 727-6717. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Jean Thomas, MD's license?
NPPES lists California license number 194531, 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 Alyssa Jean Thomas, MD prescribe under Medicare Part D?
In 2024, Alyssa Jean Thomas, MD had 594 Medicare Part D claims for 113 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.