DR. MARISSA ALEXANDRA HIRSCH MD
NPI 1457989055
Psychiatry & Neurology - Psychiatry in Los Angeles, CA
About Dr. Marissa Alexandra Hirsch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARISSA ALEXANDRA HIRSCH MD (NPI 1457989055) is an individual psychiatry provider in Los Angeles, California, licensed in California (A195472) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
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
Dr. Marissa Alexandra Hirsch 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 Reassignment
Medicare enrollment records show Marissa Hirsch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fresno, CA 93710
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Mark David Levine MD Professional Corporation
- 329 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 90068 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90068
LOS ANGELES, CA 90068
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 Marissa Hirsch's NPI number?
The NPI number for Marissa Hirsch is 1457989055. It was assigned to this individual provider in the NPPES registry on March 30, 2020.
Where is Marissa Hirsch located?
Marissa Hirsch practices at 3330 Cahuenga Blvd W Ste 505, Los Angeles, CA 90068. The listed phone number is (855) 501-1004.
What is Marissa Hirsch's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Marissa Hirsch enrolled in Medicare?
Yes. Marissa Hirsch 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 organization bills Medicare for Marissa Hirsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Hirsch reassigns Medicare benefits to Mark David Levine, MD Fresno (Fresno, 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 Marissa Hirsch'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 Marissa Hirsch was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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. Marissa Alexandra Hirsch, MD · NPI 1457989055
Psychiatry physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 30, 2020.
## Identity
- **NPI:** 1457989055 (Entity type: Individual)
- **Enumerated:** March 30, 2020
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A195472 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3330 CAHUENGA BLVD W STE 505, Los Angeles, CA 90068-1355
- **Phone:** (855) 501-1004
## 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:** Mark David Levine, MD Fresno (NPI 1124387097, Fresno, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** July 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1457989055) · Data from the CMS NPPES public registry.