DR. JOHN HOLLENBERG MD
NPI 1083799225
Psychiatry & Neurology - Psychiatry in Canoga Park, CA

Active since October 26, 2006PECOS Enrolled
7621 CANOGA AVE, CANOGA PARK, CA 91304(818) 598-6900 Get Directions Write a Review

NPPES record last updated: January 14, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. John Hollenberg Md NPPES

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

DR. JOHN HOLLENBERG MD (NPI 1083799225) is an individual psychiatry provider in Canoga Park, California, licensed in California (G00051020) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083799225
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN HOLLENBERGCredential: MD
Location Address7621 CANOGA AVECanoga Park, CA 91304-4912
Mailing Address7621 Canoga AveCanoga Park, CA 91304-4912 · (818) 598-6900
Sole ProprietorYes
Enumeration DateOctober 26, 2006
Last NPPES UpdateJanuary 14, 2014
NPI 1083799225 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · G00051020
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

7621 CANOGA AVE, Canoga Park, CA 91304

Other Identifiers 1

Medicare PINCB204648CA

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. John Hollenberg Md 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 91304 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 19

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

Registered Nurse (Psychiatric/Mental Health)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Psychologist (Clinical)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Registered Nurse (Psychiatric/Mental Health)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Recreation Therapist
7621 CANOGA AVE
CANOGA PARK, CA 91304
Counselor (Mental Health)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Registered Nurse (Psychiatric/Mental Health)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Social Worker (Clinical)
7621 CANOGA AVE
CANOGA PARK, CA 91304
Licensed Psychiatric Technician
7621 CANOGA AVE
CANOGA PARK, CA 91304

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 John Hollenberg's NPI number?

The NPI number for John Hollenberg is 1083799225. It was assigned to this individual provider in the NPPES registry on October 26, 2006.

Where is John Hollenberg located?

John Hollenberg practices at 7621 Canoga Ave, Canoga Park, CA 91304. The listed phone number is (818) 598-6900.

What is John Hollenberg's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Hollenberg enrolled in Medicare?

Yes. John Hollenberg is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Hollenberg was last updated on January 14, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.