Steven Andrew Allen, M.D.
Addiction Psychiatry Physician · Sylmar, CA
Steven Andrew Allen, M.D. is an addiction psychiatry physician with a practice address in Sylmar, California, and NPI 1700144557, issued on Apr 30, 2012. Check the license (California A129366, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Andrew Allen
- Credential
- M.D.
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- License number
- A129366 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14238 Saranac LN, Sylmar, CA 91342
- Phone
- (818) 485-0888
- Enumerated
- Apr 30, 2012
- Record last updated
- Sep 2, 2022
- Medicare enrollment
- Enrolled (PECOS I20141208000079); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 73 in California → Look up another NPI →
Also registered at 14238 Saranac LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynette BorreroDay Training/Habilitation Specialist1134501489
- Adriana De La Cruz CampaStudent in an Organized Health Care Education/Training Program1346927522
- Jose Destajo, RNPsychiatric/Mental Health Registered Nurse1528452778
- Abigail Fonseca, MSW, LCSWClinical Social Worker1700267010
- Evangelina Madrid-Kerr, CADCII, MPSS, CMHRSAddiction (Substance Use Disorder) Counselor1336430206
- Erika MorozumiStudent in an Organized Health Care Education/Training Program1821824376
Verify Steven Andrew Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024
91 Medicare Part D claims, against an average of 716 among the 421 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Quetiapine Fumarate20 claims
- Bupropion Xl12 claims
- Mirtazapine11 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.
Bills Medicare through one group practice
- Los Angeles County Department OF Mental HealthSylmar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Andrew Allen among 73 addiction psychiatry physician records in California
Steven Andrew Allen, M.D. is one of 73 addiction psychiatry physician records with a practice address in California. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 71% of them.
- NPI issued2012 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2012 · median 2008 among the 25 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in California
There are 73 addiction psychiatry physician records in California.
All 73 in California → Every provider in Sylmar → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- Muhammad Iqbal, MDNorth Hills, CA 913431609280262
- Sheela Surapaneni, M.D.Azusa, CA 917021154445450
- Mark Katz, M.D.Long Beach, CA 908221558478941
- Ricardo Restrepo-Guzman, M.DLong Beach, CA 908221891720512
- Milagros Demandante, MDLong Beach, CA 908041134342041
- Stephen Mohaupt, M.D.Norwalk, CA 906501982792990
- Tracy Kuranaka, MDLa Jolla, CA 920371619930542
- Carla Marienfeld, MDLa Jolla, CA 920371104007657
Common questions
What is Steven Andrew Allen, M.D.'s NPI number?
Steven Andrew Allen, M.D.'s National Provider Identifier (NPI) is 1700144557, issued on Apr 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Steven Andrew Allen, M.D. located?
The NPPES record lists a practice address at 14238 Saranac LN, Sylmar, CA, 91342. Phone: (818) 485-0888. Providers update this record themselves, so call before visiting.
How can I verify Steven Andrew Allen, M.D.'s license?
NPPES lists California license number A129366, 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 Steven Andrew Allen, M.D. prescribe under Medicare Part D?
In 2024, Steven Andrew Allen, M.D. had 91 Medicare Part D claims; the average among addiction psychiatry physician prescribers was 716. 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.