DOMINIC DI TOMASSO
NPI 1447516398
Anesthesiology in Long Beach, CA
About Dominic Di Tomasso NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOMINIC DI TOMASSO (NPI 1447516398) is an individual anesthesiology provider in Long Beach, California, licensed in California (A128668) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2012).
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
Dominic Di Tomasso 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
4Medicare enrollment records show Dominic Di Tomasso reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 107 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 110 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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
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.
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.
LONG BEACH, CA 90822
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 Dominic Di Tomasso's NPI number?
The NPI number for Dominic Di Tomasso is 1447516398. It was assigned to this individual provider in the NPPES registry on April 4, 2012.
Where is Dominic Di Tomasso located?
Dominic Di Tomasso practices at 5901 E 7th St, Long Beach, CA 90822. The listed phone number is (562) 826-8000.
What is Dominic Di Tomasso's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Dominic Di Tomasso enrolled in Medicare?
Yes. Dominic Di Tomasso 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 Dominic Di Tomasso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dominic Di Tomasso reassigns Medicare benefits to 4 organizations: California Anesthesia Associates Medical Group, Inc. (Long Beach, CA), Newport Harbor Anesthesia Consultants Medical Group Inc (Newport Beach, CA), Cep America - Anesthesia PC (Laguna Hills, CA) and Allied Anesthesia Medical Group Inc (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 Dominic Di Tomasso'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 Dominic Di Tomasso was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.