DR. PATRICK LENEHAN M.D.
NPI 1023247467
Emergency Medicine in Los Angeles, CA
About Dr. Patrick Lenehan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK LENEHAN M.D. (NPI 1023247467) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A124959) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Vermont College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Patrick Lenehan M.d. 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 Patrick Lenehan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 169 clinicians in this Medicare group
Northridge, CA 91325
- Reassigned Medicare billing, California enrollment
- 137 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 4
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 90015 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 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
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 Patrick Lenehan's NPI number?
The NPI number for Patrick Lenehan is 1023247467. It was assigned to this individual provider in the NPPES registry on July 7, 2009.
Where is Patrick Lenehan located?
Patrick Lenehan practices at 1401 S Grand Ave, Los Angeles, CA 90015. The listed phone number is (213) 748-2411.
What is Patrick Lenehan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Patrick Lenehan enrolled in Medicare?
Yes. Patrick Lenehan 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 Patrick Lenehan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Lenehan reassigns Medicare benefits to 2 organizations: Golden State Emergency Physicians Inc (Los Angeles, CA) and Ridgeline Emergency Physicians Medical Group, Inc. (Northridge, 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 Patrick Lenehan'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 Patrick Lenehan was last updated on February 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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. Patrick Lenehan, M.D. · NPI 1023247467
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 7, 2009.
## Identity
- **NPI:** 1023247467 (Entity type: Individual)
- **Enumerated:** July 7, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A124959 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1401 S GRAND AVE, Los Angeles, CA 90015-3010
- **Phone:** (213) 748-2411
## 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): Golden State Emergency Physicians Inc (NPI 1770886558, Los Angeles, CA); Ridgeline Emergency Physicians Medical Group, Inc. (NPI 1972953230, Northridge, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2009
## Record status
- **NPPES last updated:** February 7, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1023247467) · Data from the CMS NPPES public registry.