MARK AMIN AMINZADEH MD
NPI 1184070427
Internal Medicine in Los Angeles, CA
About Mark Amin Aminzadeh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK AMIN AMINZADEH MD (NPI 1184070427) is an individual internal medicine provider in Los Angeles, California, licensed in California (A158205) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Mark Amin Aminzadeh 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 Mark Aminzadeh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90049
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 90067 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.
LOS ANGELES, CA 90067
LOS ANGELES, CA 90067
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 Aminzadeh's NPI number?
The NPI number for Mark Aminzadeh is 1184070427. It was assigned to this individual provider in the NPPES registry on May 5, 2016.
Where is Mark Aminzadeh located?
Mark Aminzadeh practices at 2070 Century Park E, Los Angeles, CA 90067. The listed phone number is (424) 522-7100.
What is Mark Aminzadeh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mark Aminzadeh enrolled in Medicare?
Yes. Mark Aminzadeh 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 Mark Aminzadeh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Aminzadeh reassigns Medicare benefits to 3 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Department Of Veterans Affairs Of The State Of California (Los Angeles, CA) and Inpatient Specialists Of California, PC (San Bernardino, 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 Mark Aminzadeh'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 Mark Aminzadeh was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mark Amin Aminzadeh, MD · NPI 1184070427
Internal Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 5, 2016.
## Identity
- **NPI:** 1184070427 (Entity type: Individual)
- **Enumerated:** May 5, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A158205 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2070 CENTURY PARK E, Los Angeles, CA 90067-1907
- **Phone:** (424) 522-7100 · **Fax:** (424) 522-7324
## 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): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Department Of Veterans Affairs Of The State Of California (NPI 1821316076, Los Angeles, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** May 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1184070427) · Data from the CMS NPPES public registry.