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DR. MARK A STEVENS PH.D
NPI 1740962299
Psychologist - Clinical in Westlake Village, CA

Active since August 03, 2023Opted out of Medicare · through Aug 4, 2027
32129 LINDERO CANYON RD, WESTLAKE VILLAGE, CA 91361(818) 486-5307 Get Directions Write a Review

NPPES record last updated: August 3, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark A Stevens Ph.d NPPES

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

DR. MARK A STEVENS PH.D (NPI 1740962299) is an individual clinical provider in Westlake Village, California, licensed in California (PSY10494) and active in the NPI registry since August 2023. He has opted out of Medicare through August 4, 2027.

NPPES Registry Identity

NPI1740962299
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARK A STEVENSCredential: PH.D
Location Address32129 LINDERO CANYON RDWestlake Village, CA 91361-4207
Mailing Address32129 Lindero Canyon RdWestlake Village, CA 91361-4207 · (818) 486-5307
Phone(818) 486-5307
Sole ProprietorYes
Enumeration DateAugust 3, 2023
NPPES CertifiedAugust 3, 2023
✔ NPI 1740962299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY10494
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
32129 LINDERO CANYON RD, Westlake Village, CA 91361
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Mark A Stevens Ph.d has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 4, 2023 through August 4, 2027.

Opt-Out Effective DateAugust 4, 2023
Opt-Out In Effect ThroughAugust 4, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$185.36 typical visit price
range $62.32 – $185.36
Typical copayment $46.34 (range $15.58 – $46.34)
Most-billed visit code 99205
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

DR. DORA CHASE OREN PHD
Psychologist (Clinical)
32129 LINDERO CANYON RD, SUITE 201
WESTLAKE VILLAGE, CA 91361
Los Angeles County (818) 540-8900
DR. BRIAN SATT PH.D.
Psychologist
32129 LINDERO CANYON RD, SUITE 207
WESTLAKE VILLAGE, CA 91361
Los Angeles County (818) 625-5525
DR. MICHAEL JOEL GERSON PHD
Psychologist (Clinical)
32129 LINDERO CANYON RD, SUITE 201
WESTLAKE VILLAGE, CA 91361
Los Angeles County (818) 707-3905
MR. ERIC ROGER BELLMAN LCSW
Social Worker (Clinical)
32129 LINDERO CANYON RD, SUITE 108-E
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 493-2492
MR. CHRISTOPHER DENOYER MASSEY MFT
Marriage & Family Therapist
32129 LINDERO CANYON RD
WESTLAKE VILLAGE, CA 91361
Los Angeles County (805) 380-6640

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 Mark Stevens's NPI number?

The NPI number for Mark Stevens is 1740962299. It was assigned to this individual provider in the NPPES registry on August 3, 2023.

Where is Mark Stevens located?

Mark Stevens practices at 32129 Lindero Canyon Rd, Westlake Village, CA 91361. The listed phone number is (818) 486-5307.

What is Mark Stevens's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mark Stevens enrolled in Medicare?

No. Mark Stevens has opted out of Medicare through August 4, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mark Stevens was last updated on August 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.