JAMES RICHARD GARRISON JR. M.D.
NPI 1003843830
Thoracic Surgery (Cardiothoracic Vascular Surgery) in San Antonio, TX
About James Richard Garrison Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES RICHARD GARRISON JR. M.D. (NPI 1003843830) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in San Antonio, Texas, licensed in Texas (H9942) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Texas Tech University Health Science Center School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
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
James Richard Garrison Jr. M.d. 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 James Garrison 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
- 130 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 11
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist 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 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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
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 James Garrison's NPI number?
The NPI number for James Garrison is 1003843830. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is James Garrison located?
James Garrison practices at 4330 Medical Dr Suite 325, San Antonio, TX 78229. The listed phone number is (210) 615-7700.
What is James Garrison's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is James Garrison enrolled in Medicare?
Yes. James Garrison 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 James Garrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Garrison reassigns Medicare benefits to Cardiology Clinic Of San Antonio, PLLC (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 James Garrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Garrison accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and WellPoint list James Garrison 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 James Garrison affiliated with any hospitals?
According to CMS data, James Garrison is affiliated with Methodist Hospital and Methodist Hospital Stone Oak.
When was this NPI record last updated?
The NPPES record for James Garrison was last updated on November 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.