MAGDALENA RUIZ M.D.
NPI 1558525857
Internal Medicine in Santa Barbara, CA
About Magdalena Ruiz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAGDALENA RUIZ M.D. (NPI 1558525857) is an individual internal medicine provider in Santa Barbara, California, licensed in California (A100401) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.
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 (PECOS)
Magdalena Ruiz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Magdalena Ruiz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93105 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
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 Magdalena Ruiz's NPI number?
The NPI number for Magdalena Ruiz is 1558525857. It was assigned to this individual provider in the NPPES registry on July 15, 2008.
Where is Magdalena Ruiz located?
Magdalena Ruiz practices at 320 W Pueblo St, Santa Barbara, CA 93105. The listed phone number is (805) 569-7315.
What is Magdalena Ruiz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Magdalena Ruiz enrolled in Medicare?
Yes. Magdalena Ruiz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Magdalena Ruiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Magdalena Ruiz reassigns Medicare benefits to Emergency And Acute Care Medical Corporation (San Diego, CA). The 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 Magdalena Ruiz'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 Magdalena Ruiz was last updated on July 15, 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.
# Magdalena Ruiz, M.D. · NPI 1558525857
Internal Medicine physician in Santa Barbara, California. Individual provider, active in the CMS NPPES registry since July 15, 2008.
## Identity
- **NPI:** 1558525857 (Entity type: Individual)
- **Enumerated:** July 15, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A100401 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 320 W PUEBLO ST, Santa Barbara, CA 93105-4311
- **Phone:** (805) 569-7315
## 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:** Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 15, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1558525857) · Data from the CMS NPPES public registry.