DR. SARA MURALLES MD, MPH
NPI 1073139218
Family Medicine in Martinez, CA
About Dr. Sara Muralles Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SARA MURALLES MD, MPH (NPI 1073139218) is an individual family medicine provider in Martinez, California, licensed in California (A187459) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Saint Anthony Hospital, and maintains a secondary practice location in Walnut Creek.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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. Sara Muralles Md, Mph 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 Reassignment
Medicare enrollment records show Sara Muralles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60638
- Reassigned Medicare billing, Illinois enrollment
- 123 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Anthony Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94553 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARTINEZ, CA 94553
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 Sara Muralles's NPI number?
The NPI number for Sara Muralles is 1073139218. It was assigned to this individual provider in the NPPES registry on June 23, 2020.
Where is Sara Muralles located?
Sara Muralles practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5117.
What is Sara Muralles's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sara Muralles enrolled in Medicare?
Yes. Sara Muralles 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 organization bills Medicare for Sara Muralles's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sara Muralles reassigns Medicare benefits to Esperanza Health Centers (Chicago, IL). 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 Sara Muralles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sara Muralles accept?
Health plans from Oscar Health list Sara Muralles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sara Muralles affiliated with any hospitals?
According to CMS data, Sara Muralles is affiliated with Saint Anthony Hospital.
When was this NPI record last updated?
The NPPES record for Sara Muralles was last updated on December 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Sara Muralles, MD, MPH · NPI 1073139218
Family Medicine physician in Martinez, California. Individual provider, active in the CMS NPPES registry since June 23, 2020.
## Identity
- **NPI:** 1073139218 (Entity type: Individual)
- **Enumerated:** June 23, 2020
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A187459 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 ALHAMBRA AVE, Martinez, CA 94553-3156
- **Phone:** (925) 370-5117
## 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:** Esperanza Health Centers (NPI 1265114623, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** December 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1073139218) · Data from the CMS NPPES public registry.