DR. STEPHEN MARCEL SHAPIRO M.D.
NPI 1447208798
General Practice in Fountain Valley, CA
About Dr. Stephen Marcel Shapiro M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN MARCEL SHAPIRO M.D. (NPI 1447208798) is an individual general practice provider in Fountain Valley, California, licensed in California (G079453) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Dr. Stephen Marcel Shapiro 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 Stephen Shapiro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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 2
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.
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.
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
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 Stephen Shapiro's NPI number?
The NPI number for Stephen Shapiro is 1447208798. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Stephen Shapiro located?
Stephen Shapiro practices at 11160 Warner Ave Suite #223, Fountain Valley, CA 92708. The listed phone number is (949) 244-3667.
What is Stephen Shapiro's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Stephen Shapiro enrolled in Medicare?
Yes. Stephen Shapiro 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 Stephen Shapiro's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Shapiro reassigns Medicare benefits to 2 organizations: Fountain Valley Emergency Physicians, P.C. (Fountain Valley, CA) and Memorialcare Medical Foundation (Fountain Valley, 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 Stephen Shapiro'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 Stephen Shapiro was last updated on May 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Stephen Marcel Shapiro, M.D. · NPI 1447208798
General Practice physician in Fountain Valley, California. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1447208798 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** G079453 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 11160 WARNER AVE, SUITE #223, Fountain Valley, CA 92708-4008
- **Phone:** (949) 244-3667 · **Fax:** (206) 202-0120
## 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): Fountain Valley Emergency Physicians, P.C. (NPI 1639698475, Fountain Valley, CA); Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Louisville School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** May 20, 2008
- **Other identifiers:** Medicare UPIN G17949; Medicaid 00G794530 (CA); Medicare PIN WG79453B (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447208798) · Data from the CMS NPPES public registry.