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DR. MARK JOSEPH SERGI PH.D.
NPI 1750483467
Psychologist - Clinical in Northridge, CA

Active since September 02, 2006PECOS Enrolled
9535 RESEDA BLVD STE 112, NORTHRIDGE, CA 91324(818) 239-2654(818) 450-0636 Get Directions Write a Review

NPPES record last updated: May 30, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Joseph Sergi Ph.d. NPPES

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

DR. MARK JOSEPH SERGI PH.D. (NPI 1750483467) is an individual clinical provider in Northridge, California, licensed in California (16519) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1750483467
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARK JOSEPH SERGICredential: PH.D.
Location Address9535 RESEDA BLVD STE 112Northridge, CA 91324-6022
Mailing Address9535 Reseda Blvd Ste 112Northridge, CA 91324-6022 · (818) 239-2654 · Fax (818) 450-0636
Phone(818) 239-2654
Fax(818) 450-0636
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateSeptember 2, 2006
Last NPPES UpdateMay 30, 2020
NPPES CertifiedMay 30, 2020
✔ NPI 1750483467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in CA · 16519✔ Licensed in CA · PSY16519
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.
9535 RESEDA BLVD STE 112, Northridge, CA 91324
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Secondary Practice Location 1

Location 111301 Wilshire Blvd # 210ALos Angeles, CA 90073-1003 · Phone (818) 239-2654 · Fax (310) 268-4056

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Joseph Sergi Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1052489986
PECOS Enrollment IDI20081006000387
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
624 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91324 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

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

RUZANNA JURIAN
Marriage & Family Therapist
9535 RESEDA BLVD STE 112
NORTHRIDGE, CA 91324
Los Angeles County (818) 741-3141

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 Sergi's NPI number?

The NPI number for Mark Sergi is 1750483467. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Where is Mark Sergi located?

Mark Sergi practices at 9535 Reseda Blvd Ste 112, Northridge, CA 91324. The listed phone number is (818) 239-2654.

What is Mark Sergi's specialty?

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

Is Mark Sergi enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Mark Sergi was last updated on May 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.