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HERBERT MARSHAK MD
NPI 1235232802
General Practice in Los Angeles, CA

Active since September 07, 2006PECOS Enrolled
1711 W TEMPLE ST, SUITE 4100, LOS ANGELES, CA 90026(213) 484-6681(213) 484-6860 Get Directions Write a Review

NPPES record last updated: July 14, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Herbert Marshak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HERBERT MARSHAK MD (NPI 1235232802) is an individual general practice provider in Los Angeles, California, licensed in California (A29118) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235232802
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameHERBERT MARSHAKCredential: MD
Location Address1711 W TEMPLE ST, SUITE 4100Los Angeles, CA 90026-5421
Mailing Address3250 Wilshire Blvd, Suite 930Los Angeles, CA 90010-1438 · (213) 739-0019 · Fax (213) 739-0091
Phone(213) 484-6681
Fax(213) 484-6860
Sole ProprietorNo
Enumeration DateSeptember 7, 2006
Last NPPES UpdateJuly 14, 2015
✔ NPI 1235232802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A29118
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedFamily MedicineTaxonomy 207Q00000X · License A29118 (CA)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A29118 (CA)
1711 W TEMPLE ST, Los Angeles, CA 90026
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Other Identifiers 4

Medicare UPINA83918
Other00A291180CA · Blue Shield
Medicaid00A291180CA
Medicare ID-Type UnspecifiedA29118CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Herbert Marshak Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Herbert Marshak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Innovative Medical Solutions Inc A Medical Group
15 mi
Adolescent Medicine
14860 ROSCOE BLVD STE 200
Panorama City, CA 91402
  • Reassigned Medicare billing, California enrollment
  • 95 clinicians in this Medicare group
NPI 1972624955 (310) 553-5203

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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANN KIMPER TRINIDAD
Registered Nurse (Medical-Surgical)
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100
CHRISTIEN ANGELO BORJA PUNZALAN
Registered Nurse
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100
MARCOS MEJIA
Registered Nurse
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100
ESPERANZA MEDICAL GROUP, INC.
General Practice
1711 W TEMPLE ST, SUITE # 3600
LOS ANGELES, CA 90026
Los Angeles County (213) 989-0700
PINKY JANE BARTOLOME BIAG RN
Registered Nurse
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100
ADEL GHATTAS FAMILY PRACTICE INC
Family Medicine
1711 W TEMPLE ST, SUITE 3661
LOS ANGELES, CA 90026
Los Angeles County (213) 989-0700
MS. JOYCE H WENG CCC-SLP
Speech-Language Pathologist
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100
CLAUDIA ELIZABETH CAMPOS LUJANO
Licensed Vocational Nurse
1711 W TEMPLE ST
LOS ANGELES, CA 90026
Los Angeles County (213) 989-6100

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 Herbert Marshak's NPI number?

The NPI number for Herbert Marshak is 1235232802. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Herbert Marshak located?

Herbert Marshak practices at 1711 W Temple St Suite 4100, Los Angeles, CA 90026. The listed phone number is (213) 484-6681.

What is Herbert Marshak's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Herbert Marshak enrolled in Medicare?

Yes. Herbert Marshak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Herbert Marshak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Herbert Marshak reassigns Medicare benefits to Innovative Medical Solutions Inc A Medical Group (Panorama City, 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 Herbert Marshak'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 Herbert Marshak was last updated on July 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.