MR. STEPHEN A DE SANTIS MD
NPI 1366442584
Surgery in Madera, CA
About Mr. Stephen A De Santis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEPHEN A DE SANTIS MD (NPI 1366442584) is an individual surgery provider in Madera, California, licensed in California (G40996A) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Mr. Stephen A De Santis 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
2Medicare enrollment records show Stephen De Santis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Groveland, CA 95321
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1033100854 (California)
- 172 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 19 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93637 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADENA, CA 93637
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 De Santis's NPI number?
The NPI number for Stephen De Santis is 1366442584. It was assigned to this individual provider in the NPPES registry on July 29, 2005.
Where is Stephen De Santis located?
Stephen De Santis practices at 1280 E. Almond Avenue, Madera, CA 93637. The listed phone number is (559) 673-9021.
What is Stephen De Santis's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Stephen De Santis enrolled in Medicare?
Yes. Stephen De Santis 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 De Santis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen De Santis reassigns Medicare benefits to 2 organizations: Sonora Community Hospital (Groveland, CA) and Paul J Wisniewski Do Inc (Apple 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 De Santis'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 De Santis was last updated on February 25, 2022. 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.
# Mr. Stephen A De Santis, MD · NPI 1366442584
Surgery physician in Madera, California. Individual provider, active in the CMS NPPES registry since July 29, 2005.
## Identity
- **NPI:** 1366442584 (Entity type: Individual)
- **Enumerated:** July 29, 2005
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** G40996A (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1280 E. ALMOND AVENUE, Madera, CA 93637-5606
- **Phone:** (559) 673-9021 · **Fax:** (559) 673-0479
## 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): Sonora Community Hospital (NPI 1356332274, Groveland, CA); Paul J Wisniewski Do Inc (NPI 1780433698, Apple Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 1978
## Record status
- **NPPES last updated:** February 25, 2022
- **Other identifiers:** Other WG40996A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1366442584) · Data from the CMS NPPES public registry.