DR. LEN UMAYAM
NPI 1710594916
Nurse Practitioner - Psychiatric/Mental Health in Los Angeles, CA
About Dr. Len Umayam NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEN UMAYAM (NPI 1710594916) is an individual psychiatric/mental health provider in Los Angeles, California, licensed in California (95017737) and active in the NPI registry since September 2020. 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
Dr. Len Umayam 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 Len Umayam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Hollywood, CA 90046
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Gardena, CA 90248
- Reassigned Medicare billing, California enrollment
- 375 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 90025 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 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
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 Len Umayam's NPI number?
The NPI number for Len Umayam is 1710594916. It was assigned to this individual provider in the NPPES registry on September 30, 2020.
Where is Len Umayam located?
Len Umayam practices at 12301 Wilshire Blvd Ste 512, Los Angeles, CA 90025. The listed phone number is (888) 684-2779.
What is Len Umayam's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Len Umayam enrolled in Medicare?
Yes. Len Umayam 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 Len Umayam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Len Umayam reassigns Medicare benefits to 2 organizations: Mellow Medical Inc A Professional Corporation (West Hollywood, CA) and Ehab Yacoub MD Inc. (Gardena, 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 Len Umayam'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 Len Umayam was last updated on January 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Len Umayam · NPI 1710594916
Psychiatric/Mental Health physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 30, 2020.
## Identity
- **NPI:** 1710594916 (Entity type: Individual)
- **Enumerated:** September 30, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 95017737 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12301 WILSHIRE BLVD STE 512, Los Angeles, CA 90025-1053
- **Phone:** (888) 684-2779 · **Fax:** (323) 366-2966
## 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): Mellow Medical Inc A Professional Corporation (NPI 1407275886, West Hollywood, CA); Ehab Yacoub MD Inc. (NPI 1417373713, Gardena, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1710594916) · Data from the CMS NPPES public registry.