LEONARD Y HERMAN MD
NPI 1225076417
Emergency Medicine in Glendora, CA
About Leonard Y Herman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONARD Y HERMAN MD (NPI 1225076417) is an individual emergency medicine provider in Glendora, California, licensed in California (G85589) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Accepted Insurance
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
Leonard Y Herman 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
5Medicare enrollment records show Leonard Herman reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Montclair, CA 91763
- Reassigned Medicare billing, California enrollment
- 98 clinicians in this Medicare group
Fullerton, CA 92835
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 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 6
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 91741 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.
GLENDORA, CA 91741
GLENDORA, CA 91741
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 Leonard Herman's NPI number?
The NPI number for Leonard Herman is 1225076417. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Leonard Herman located?
Leonard Herman practices at 250 S Grand Ave, Glendora, CA 91741. The listed phone number is (626) 840-5655.
What is Leonard Herman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Leonard Herman enrolled in Medicare?
Yes. Leonard Herman 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 Leonard Herman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonard Herman reassigns Medicare benefits to 5 organizations: Montclair Emergency Medical Associates (Montclair, CA), St Jude Emergency Medical Group Inc (Fullerton, CA), Pacifica Emergency Medical Associates (Encino, CA), Seven Star Hospital Associates Inc. (Hemet, CA) and Emergency Medicine Services Of Fl, LLC (Aventura, FL). 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 Leonard Herman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leonard Herman accept?
Health plans from Oscar Health Maintenance Organization of Florida list Leonard Herman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Leonard Herman was last updated on June 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Leonard Y Herman, MD · NPI 1225076417
Emergency Medicine physician in Glendora, California. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1225076417 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G85589 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 250 S GRAND AVE, Glendora, CA 91741-4218
- **Phone:** (626) 840-5655 · **Fax:** (626) 287-1940
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Montclair Emergency Medical Associates (NPI 1316044696, Montclair, CA); St Jude Emergency Medical Group Inc (NPI 1720190804, Fullerton, CA); Pacifica Emergency Medical Associates (NPI 1053350975, Encino, CA); Seven Star Hospital Associates Inc. (NPI 1407459506, Hemet, CA); Emergency Medicine Services Of Fl, LLC (NPI 1043917180, Aventura, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1978
## Record status
- **NPPES last updated:** June 6, 2009
- **Other identifiers:** Medicaid 00G855890 (CA); Medicare PIN BS493Z (CA); Medicare UPIN C29396 (CA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1225076417) · Data from the CMS NPPES public registry.