DR. CLAYTON COOK DO
NPI 1467949453
Emergency Medicine in Jbsa Lackland Afb, TX
About Dr. Clayton Cook Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLAYTON COOK DO (NPI 1467949453) is an individual emergency medicine provider in Jbsa Lackland Afb, Texas, licensed in Texas (T4336) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains a secondary practice location in Greenville.
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 and accepts Medicare assignment
Dr. Clayton Cook 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
3Medicare enrollment records show Clayton Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78249
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Medical Center
Acute Care Hospitals · San Antonio, TXMethodist Hospital
Acute Care Hospitals · San Antonio, TXMethodist Hospital Stone Oak
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78236 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.
JBSA LACKLAND, TX 78236
JBSA LACKLAND, TX 78236
LACKLAND AFB, TX 78236
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 Clayton Cook's NPI number?
The NPI number for Clayton Cook is 1467949453. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Clayton Cook located?
Clayton Cook practices at 1100 Wilford Hall Loop, Jbsa Lackland Afb, TX 78236. The listed phone number is (210) 292-0055.
What is Clayton Cook's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Clayton Cook enrolled in Medicare?
Yes. Clayton Cook 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 Clayton Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Cook reassigns Medicare benefits to 3 organizations: Third Coast Emergency Physicians Southwest PA (San Antonio, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Travis County Emergency Physicians PA (Austin, 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 Clayton Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Clayton Cook accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Clayton 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.
Is Clayton Cook affiliated with any hospitals?
According to CMS data, Clayton Cook is affiliated with Baptist Medical Center, Methodist Hospital and Methodist Hospital Stone Oak.
When was this NPI record last updated?
The NPPES record for Clayton Cook was last updated on August 18, 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. Clayton Cook, DO · NPI 1467949453
Emergency Medicine physician in Jbsa Lackland Afb, Texas. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1467949453 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T4336 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 WILFORD HALL LOOP, Jbsa Lackland Afb, TX 78236
- **Phone:** (210) 292-0055
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Third Coast Emergency Physicians Southwest PA (NPI 1497793475, San Antonio, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Travis County Emergency Physicians PA (NPI 1962440933, Austin, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Nova Southeastern College Of Osteo Medicine, class of 2018
## Record status
- **NPPES last updated:** August 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1467949453) · Data from the CMS NPPES public registry.