SOFIA SILVER COOK MD
NPI 1023679693
Pediatrics - Pediatric Emergency Medicine in San Antonio, TX
About Sofia Silver Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOFIA SILVER COOK MD (NPI 1023679693) is an individual pediatric emergency medicine provider in San Antonio, Texas, licensed in Texas (V7199) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Sofia Silver Cook Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sofia Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 453 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
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.
SAN ANTONIO, TX 78207
SAN ANTONIO, TX 78207
SAN ANTONIO, TX 78207
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 Sofia Cook's NPI number?
The NPI number for Sofia Cook is 1023679693. It was assigned to this individual provider in the NPPES registry on June 25, 2019.
Where is Sofia Cook located?
Sofia Cook practices at 333 N Santa Rosa, San Antonio, TX 78207. The listed phone number is (210) 704-3030.
What is Sofia Cook's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Sofia Cook enrolled in Medicare?
Yes. Sofia Cook is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sofia Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sofia Cook reassigns Medicare benefits to 2 organizations: Baylor College Of Medicine (San Antonio, TX) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Sofia Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sofia Cook accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Sofia Cook 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.
When was this NPI record last updated?
The NPPES record for Sofia Cook was last updated on March 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Sofia Silver Cook, MD · NPI 1023679693
Pediatric Emergency Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 25, 2019.
## Identity
- **NPI:** 1023679693 (Entity type: Individual)
- **Enumerated:** June 25, 2019
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** V7199 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 N SANTA ROSA, San Antonio, TX 78207-3108
- **Phone:** (210) 704-3030
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Baylor College Of Medicine (NPI 1285079764, San Antonio, TX); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1023679693) · Data from the CMS NPPES public registry.