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DR. STEVEN ANDREW ALLEN M.D.
NPI 1700144557
Psychiatry & Neurology - Addiction Psychiatry in Sylmar, CA

Active since April 30, 2012PECOS EnrolledAccepts Medicare Assignment
14238 SARANAC LN, SYLMAR, CA 91342(818) 485-0888 Get Directions Write a Review

NPPES record last updated: September 2, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 2, 2022, Mar 20, 2019, Feb 27, 2017 (3 updates tracked since 2017).

About Dr. Steven Andrew Allen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN ANDREW ALLEN M.D. (NPI 1700144557) is an individual addiction psychiatry provider in Sylmar, California, licensed in California (A129366) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1700144557
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameDR. STEVEN ANDREW ALLENCredential: M.D.
Location Address14238 SARANAC LNSylmar, CA 91342-1435
Mailing Address14238 Saranac LnSylmar, CA 91342-1435 · (818) 485-0888
Phone(818) 485-0888
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 30, 2012
Last NPPES UpdateSeptember 2, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2022
✔ NPI 1700144557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in CA · A129366
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
14238 SARANAC LN, Sylmar, CA 91342
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven Andrew Allen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991027724
PECOS Enrollment IDI20141208000079
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Steven Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Los Angeles County Department Of Mental Health
0.1 mi
Mental Health (Including Community Mental Health Center)
14238 SARANAC LN
Sylmar, CA 91342
  • Reassigned Medicare billing, California enrollment
  • 533 clinicians in this Medicare group
NPI 1487662946 (818) 485-0888
County Of Los Angeles Auditor Controller
0.1 mi
General Acute Care Hospital
14445 OLIVE VIEW DR
Sylmar, CA 91342
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
NPI 1134159320 (818) 364-3031

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CAROLINA ROSALES
Student in an Organized Health Care Education/Training Program
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
LYNETTE BORRERO
Day Training/Habilitation Specialist
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
JAZZ SINGH MSW
Student in an Organized Health Care Education/Training Program
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
MS. EVANGELINA ADRIA MADRID-KERR CADCII, MPSS, CMHRS
Counselor (Addiction (Substance Use Disorder))
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (661) 607-8664
ADRIANA DE LA CRUZ CAMPA
Student in an Organized Health Care Education/Training Program
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
MS. MARISOL SOLANO
Social Worker (Clinical)
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
LOS ANGELES COUNTY DEPARTMENT OF MENTAL HEALTH
Clinic/Center (Mental Health (Including Community Mental Health Center))
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888
PHILIP MOJICA PEREZ
Student in an Organized Health Care Education/Training Program
14238 SARANAC LN
SYLMAR, CA 91342
Los Angeles County (818) 485-0888

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Allen's NPI number?

The NPI number for Steven Allen is 1700144557. It was assigned to this individual provider in the NPPES registry on April 30, 2012.

Where is Steven Allen located?

Steven Allen practices at 14238 Saranac Ln, Sylmar, CA 91342. The listed phone number is (818) 485-0888.

What is Steven Allen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Steven Allen enrolled in Medicare?

Yes. Steven Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Steven Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Allen reassigns Medicare benefits to 2 organizations: Los Angeles County Department Of Mental Health (Sylmar, CA) and County Of Los Angeles Auditor Controller (Sylmar, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Allen was last updated on September 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.