SAMUEL M. COSTANTINI MD
NPI 1851468771
Internal Medicine in Anaheim, CA
About Samuel M. Costantini Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL M. COSTANTINI MD (NPI 1851468771) is an individual internal medicine provider in Anaheim, California, licensed in California (G64700) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1987).
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
Samuel M. Costantini 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
4Medicare enrollment records show Samuel Costantini reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Troy, NC 27371
- Reassigned Medicare billing, North Carolina enrollment
- 333 clinicians in this Medicare group
Troy, NC 27371
- Reassigned Medicare billing, North Carolina enrollment
- 151 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92807 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ANAHEIM, CA 92807
ANAHEIM, CA 92807
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 Samuel Costantini's NPI number?
The NPI number for Samuel Costantini is 1851468771. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Samuel Costantini located?
Samuel Costantini practices at 441 N Lakeview Ave, Anaheim, CA 92807. The listed phone number is (888) 988-2800.
What is Samuel Costantini's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Samuel Costantini enrolled in Medicare?
Yes. Samuel Costantini 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 Samuel Costantini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Costantini reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (Anaheim, CA), Memorialcare Medical Foundation (Fountain Valley, CA), Fhpg, LLC (Troy, NC) and Firsthealth Of The Carolinas, Inc. (Troy, NC). 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 Samuel Costantini'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 Samuel Costantini was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.