MARK JOHN SOURIS PSYD
NPI 1003098427
Psychologist - Clinical in Woodland Hills, CA

Q: What is Mark Souris's NPI number?

The NPI number for Mark Souris is 1003098427. It was assigned to this individual provider in the NPPES registry on November 27, 2007.

Q: What is Mark Souris's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Souris was last updated on November 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since November 27, 2007PECOS Enrolled

21243 VENTURA BLVD, SUITE 207, WOODLAND HILLS, CA 91364(818) 635-9705(747) 300-9246 Get Directions Write a Review

NPPES record last updated: November 17, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 17, 2016, Sep 21, 2016, Mar 23, 2016 and 2 more (5 updates tracked since 2015).

On this page

About Mark John Souris Psyd NPPES

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

MARK JOHN SOURIS PSYD (NPI 1003098427) is an individual clinical provider in Woodland Hills, California, licensed in California (PSY14283) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003098427

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameMARK JOHN SOURISCredential: PSYD

Location Address21243 VENTURA BLVD, SUITE 207Woodland Hills, CA 91364-2109

Mailing Address19701 Tuba StChatsworth, CA 91311-3547 · (818) 635-9705 · Fax (747) 300-9246

Phone(818) 635-9705

Fax(747) 300-9246

Sole ProprietorYes

Enumeration DateNovember 27, 2007

Last NPPES UpdateNovember 17, 20165 updates tracked since enumeration

✔ NPI 1003098427 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 · PSY14283

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.

21243 VENTURA BLVD, Woodland Hills, CA 91364

Open in Google Maps ↗

Other Identifiers 1

Other14283CA · License Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark John Souris Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91364 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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 10

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

MRS. IRENE AFFRUNTI M.S., LMFT

Marriage & Family Therapist

21243 VENTURA BLVD, SUITE # 159
WOODLAND HILLS, CA 91364

Los Angeles County (818) 400-8407

MS. VICTORIA GREATHOUSE PARKER M.S., M.F.T.

Marriage & Family Therapist

21243 VENTURA BLVD, SUITE 139
WOODLAND HILLS, CA 91364

Los Angeles County (818) 676-1363

DR. MARISSA CAUDILL MD, PHD

Psychiatry & Neurology (Psychiatry)

21243 VENTURA BLVD, STE 243
WOODLAND HILLS, CA 91364

Los Angeles County (424) 270-0744

DR. NEIL FINEGOLD ROCKLIN PH.D.

Psychologist (Adult Development & Aging)

21243 VENTURA BLVD, SUITE 140
WOODLAND HILLS, CA 91364

Los Angeles County (818) 346-4783

MS. DONA LARESSA DESMOND MFT, PH.D.

Marriage & Family Therapist

21243 VENTURA BLVD, 215
WOODLAND HILLS, CA 91364

Los Angeles County (310) 281-3051

KAREN ELIZABETH ROSE MS, MA, LMFT

Marriage & Family Therapist

21243 VENTURA BLVD, SUITE 107
WOODLAND HILLS, CA 91364

Los Angeles County (818) 486-4890

MRS. ALLA BRANZBURG LCSW

Social Worker (Clinical)

21243 VENTURA BLVD, SUITE 229
WOODLAND HILLS, CA 91364

Los Angeles County (818) 216-5894

SUSAN LYNN DONNER M.D.

Psychiatry & Neurology (Psychiatry)

21243 VENTURA BLVD, SUITE 239
WOODLAND HILLS, CA 91364

Los Angeles County (818) 883-1020

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 Souris's NPI number?

The NPI number for Mark Souris is 1003098427. It was assigned to this individual provider in the NPPES registry on November 27, 2007.

Where is Mark Souris located?

Mark Souris practices at 21243 Ventura Blvd Suite 207, Woodland Hills, CA 91364. The listed phone number is (818) 635-9705.

What is Mark Souris's specialty?

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

Is Mark Souris enrolled in Medicare?

Yes. Mark Souris is registered in the Medicare PECOS enrollment system.

What insurance does Mark Souris accept?

Health plans from Providence Health Plan list Mark Souris as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Souris was last updated on November 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.