DR. JOHN ARTHUR AYVAZIAN PH.D.
NPI 1922052380
Psychologist - Clinical in North Hollywood, CA
About Dr. John Arthur Ayvazian Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ARTHUR AYVAZIAN PH.D. (NPI 1922052380) is an individual clinical provider in North Hollywood, California, licensed in California (PSY 17149) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Arthur Ayvazian Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Ayvazian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valley Village, CA 91607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Propsych Services Inc
- 4 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91607 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NORTH HOLLYWOOD, CA 91607
NORTH HOLLYWOOD, CA 91607
VALLEY VILLAGE, CA 91607
VALLEY VILLAGE, CA 91607
VALLEY VILLAGE, CA 91607
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 Ayvazian's NPI number?
The NPI number for John Ayvazian is 1922052380. It was assigned to this individual provider in the NPPES registry on May 20, 2006.
Where is John Ayvazian located?
John Ayvazian practices at 12520 Magnolia Blvd # 300, North Hollywood, CA 91607. The listed phone number is (818) 388-4108.
What is John Ayvazian's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is John Ayvazian enrolled in Medicare?
Yes. John Ayvazian is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Ayvazian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ayvazian reassigns Medicare benefits to Pro Psych Services Inc (Valley Village, CA). The 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 John Ayvazian'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 John Ayvazian was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. John Arthur Ayvazian, PH.D. · NPI 1922052380
Clinical provider in North Hollywood, California. Individual provider, active in the CMS NPPES registry since May 20, 2006.
## Identity
- **NPI:** 1922052380 (Entity type: Individual)
- **Enumerated:** May 20, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY 17149 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12520 MAGNOLIA BLVD, # 300, North Hollywood, CA 91607-2336
- **Phone:** (818) 388-4108
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Pro Psych Services Inc (NPI 1043224959, Valley Village, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922052380) · Data from the CMS NPPES public registry.