HAROUTIUN HAMZOIAN MD
NPI 1568040988
Psychiatry & Neurology - Pain Medicine in Lawndale, CA
About Haroutiun Hamzoian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAROUTIUN HAMZOIAN MD (NPI 1568040988) is an individual pain medicine provider in Lawndale, California, licensed in California (A205025) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
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 and accepts Medicare assignment
Haroutiun Hamzoian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Haroutiun Hamzoian reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawndale, CA 90260
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Access Telecare California PC
- 194 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Arizona, Montana, New Mexico and Nevada enrollments
- 161 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAWNDALE, CA 90260
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 Haroutiun Hamzoian's NPI number?
The NPI number for Haroutiun Hamzoian is 1568040988. It was assigned to this individual provider in the NPPES registry on March 29, 2021.
Where is Haroutiun Hamzoian located?
Haroutiun Hamzoian practices at 15901 Hawthorne Blvd Ste 240, Lawndale, CA 90260. The listed phone number is (424) 360-0066.
What is Haroutiun Hamzoian's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Pain Medicine, with taxonomy code 2084P2900X.
Is Haroutiun Hamzoian enrolled in Medicare?
Yes. Haroutiun Hamzoian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Haroutiun Hamzoian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haroutiun Hamzoian reassigns Medicare benefits to 3 organizations: Rostam Khoshsar M D Inc (Lawndale, CA), Access Telecare California, P.C. (Dallas, TX) and Access Telecare, PLLC (Dallas, TX). Each 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 Haroutiun Hamzoian'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 Haroutiun Hamzoian was last updated on August 5, 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.
# Haroutiun Hamzoian, MD · NPI 1568040988
Pain Medicine physician in Lawndale, California. Individual provider, active in the CMS NPPES registry since March 29, 2021.
## Identity
- **NPI:** 1568040988 (Entity type: Individual)
- **Enumerated:** March 29, 2021
- **Primary specialty:** Psychiatry & Neurology - Pain Medicine · taxonomy 2084P2900X
- **State license:** A205025 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 15901 HAWTHORNE BLVD STE 240, Lawndale, CA 90260-5801
- **Phone:** (424) 360-0066
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Rostam Khoshsar M D Inc (NPI 1235315631, Lawndale, CA); Access Telecare California, P.C. (NPI 1861959959, Dallas, TX); Access Telecare, PLLC (NPI 1013303080, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1568040988) · Data from the CMS NPPES public registry.