DR. KRISTIN LEE BAKER DO
NPI 1639532419
Emergency Medicine in San Antonio, TX
About Dr. Kristin Lee Baker Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KRISTIN LEE BAKER DO (NPI 1639532419) is an individual emergency medicine provider in San Antonio, Texas, licensed in Arizona (009345) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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. Kristin Lee Baker Do 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
4Medicare enrollment records show Kristin Baker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At San Antonio
- 2,397 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 149 clinicians in this Medicare group
Gonzales, TX 78629
- Reassigned Medicare billing, Texas enrollment
- 430 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 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.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 Kristin Baker's NPI number?
The NPI number for Kristin Baker is 1639532419. It was assigned to this individual provider in the NPPES registry on March 30, 2016.
Where is Kristin Baker located?
Kristin Baker practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-2078.
What is Kristin Baker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Kristin Baker enrolled in Medicare?
Yes. Kristin Baker 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 Kristin Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Baker reassigns Medicare benefits to 4 organizations: Uthscsa Dental School (San Antonio, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Bexar Emergency Physicians, PLLC (San Antonio, TX) and Victoria Emergency Partners LLC (Gonzales, TX). 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 Kristin Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristin Baker accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Cigna Healthcare and Community First and 4 other insurers list Kristin Baker 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 Kristin Baker affiliated with any hospitals?
According to CMS data, Kristin Baker is affiliated with University Health System.
When was this NPI record last updated?
The NPPES record for Kristin Baker was last updated on June 7, 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.
# Dr. Kristin Lee Baker, DO · NPI 1639532419
Emergency Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since March 30, 2016.
## Identity
- **NPI:** 1639532419 (Entity type: Individual)
- **Enumerated:** March 30, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 009345 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 358-2078 · **Fax:** (210) 702-6274
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Uthscsa Dental School (NPI 1750403887, San Antonio, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Bexar Emergency Physicians, PLLC (NPI 1548034994, San Antonio, TX); Victoria Emergency Partners LLC (NPI 1164770996, Gonzales, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lincoln Mem Univ, Debusk Col Of Osteopathic Med, class of 2016
## Record status
- **NPPES last updated:** June 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1639532419) · Data from the CMS NPPES public registry.