HAMED HAGHNAZAR MD, MPH
NPI 1649701251
Family Medicine - Addiction Medicine in Tarzana, CA
About Hamed Haghnazar Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAMED HAGHNAZAR MD, MPH (NPI 1649701251) is an individual addiction medicine provider in Tarzana, California, licensed in California (190140) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ventura, and is a graduate of University Of Kentucky College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Hamed Haghnazar Md, Mph 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
2Medicare enrollment records show Hamed Haghnazar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 93 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 710 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91356 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TARZANA, CA 91356
TARZANA, CA 91356
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 Hamed Haghnazar's NPI number?
The NPI number for Hamed Haghnazar is 1649701251. It was assigned to this individual provider in the NPPES registry on March 24, 2017.
Where is Hamed Haghnazar located?
Hamed Haghnazar practices at 18646 Oxnard St, Tarzana, CA 91356. The listed phone number is (818) 996-1051.
What is Hamed Haghnazar's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.
Is Hamed Haghnazar enrolled in Medicare?
Yes. Hamed Haghnazar 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 Hamed Haghnazar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hamed Haghnazar reassigns Medicare benefits to 2 organizations: Tarzana Treatment Centers, Inc. (Tarzana, CA) and County Of Ventura (Simi Valley, CA). 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 Hamed Haghnazar'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 Hamed Haghnazar was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Hamed Haghnazar, MD, MPH · NPI 1649701251
Addiction Medicine physician in Tarzana, California. Individual provider, active in the CMS NPPES registry since March 24, 2017.
## Identity
- **NPI:** 1649701251 (Entity type: Individual)
- **Enumerated:** March 24, 2017
- **Primary specialty:** Family Medicine - Addiction Medicine · taxonomy 207QA0401X
- **State license:** 190140 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 18646 OXNARD ST, Tarzana, CA 91356-1411
- **Phone:** (818) 996-1051
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Tarzana Treatment Centers, Inc. (NPI 1821114828, Tarzana, CA); County Of Ventura (NPI 1013139658, Simi Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kentucky College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** December 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649701251) · Data from the CMS NPPES public registry.