DR. HOLLY KEYT MD
NPI 1699902965
Internal Medicine - Critical Care Medicine in San Antonio, TX
About Dr. Holly Keyt Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLY KEYT MD (NPI 1699902965) is an individual critical care medicine provider in San Antonio, Texas, licensed in Texas (P7293) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of University Of Nebraska College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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. Holly Keyt 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 Reassignment
Medicare enrollment records show Holly Keyt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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
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
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Health System
Acute Care Hospitals · San Antonio, TXMethodist Hospital
Acute Care Hospitals · San Antonio, TXShannon Medical Center
Acute Care Hospitals · San Angelo, 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Holly Keyt's NPI number?
The NPI number for Holly Keyt is 1699902965. It was assigned to this individual provider in the NPPES registry on June 15, 2009.
Where is Holly Keyt located?
Holly Keyt practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.
What is Holly Keyt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Holly Keyt enrolled in Medicare?
Yes. Holly Keyt 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 Holly Keyt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Keyt reassigns Medicare benefits to Uthscsa Dental School (San Antonio, TX). 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 Holly Keyt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holly Keyt accept?
Health plans from Blue Cross and Blue Shield of Texas, Community First and Imperial Insurance Companies, Inc. list Holly Keyt 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 Holly Keyt affiliated with any hospitals?
According to CMS data, Holly Keyt is affiliated with University Health System, Methodist Hospital and Shannon Medical Center.
When was this NPI record last updated?
The NPPES record for Holly Keyt was last updated on March 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Holly Keyt, MD · NPI 1699902965
Critical Care Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 15, 2009.
## Identity
- **NPI:** 1699902965 (Entity type: Individual)
- **Enumerated:** June 15, 2009
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** P7293 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 358-4000 · **Fax:** (210) 949-3006
## 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:** Uthscsa Dental School (NPI 1750403887, San Antonio, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 2009
## Record status
- **NPPES last updated:** March 8, 2019
- **Other identifiers:** Other 329920802 (TX); Medicaid 329920801 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1699902965) · Data from the CMS NPPES public registry.