DENNIS R MACERI M.D.
NPI 1649297359
Otolaryngology - Plastic Surgery within the Head & Neck in Los Angeles, CA
About Dennis R Maceri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS R MACERI M.D. (NPI 1649297359) is an individual plastic surgery within the head & neck provider in Los Angeles, California, licensed in California (G37967) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dennis R Maceri M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Dennis Maceri 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 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
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 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Dennis Maceri's NPI number?
The NPI number for Dennis Maceri is 1649297359. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Dennis Maceri located?
Dennis Maceri practices at 1520 San Pablo St Suite 4600, Los Angeles, CA 90033. The listed phone number is (323) 442-5790.
What is Dennis Maceri's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Plastic Surgery within the Head & Neck, with taxonomy code 207YX0007X.
Is Dennis Maceri enrolled in Medicare?
Yes. Dennis Maceri is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dennis Maceri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Maceri reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Dennis Maceri'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 Dennis Maceri was last updated on November 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dennis R Maceri, M.D. · NPI 1649297359
Plastic Surgery within the Head & Neck physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1649297359 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Otolaryngology - Plastic Surgery within the Head & Neck · taxonomy 207YX0007X
- **State license:** G37967 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1520 SAN PABLO ST, SUITE 4600, Los Angeles, CA 90033-5310
- **Phone:** (323) 442-5790
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 20, 2013
- **Other identifiers:** Medicare PIN W12025; Medicare UPIN A47309; Medicare ID-Type Unspecified WG37967C (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1649297359) · Data from the CMS NPPES public registry.