DR. JAMES GLENN COX MD
NPI 1467490748
Anesthesiology in San Antonio, TX
About Dr. James Glenn Cox Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES GLENN COX MD (NPI 1467490748) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (J6393) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
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. James Glenn Cox 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 Reassignments
9Medicare enrollment records show James Cox reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lakehills, TX 78063
- Reassigned Medicare billing, Texas enrollment
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Houston, TX 77079
- Reassigned Medicare billing, Texas enrollment
- 95 clinicians in this Medicare group
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Houston, TX 77036
- Reassigned Medicare billing, Texas enrollment
- 122 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Rombauer, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 217 clinicians in this Medicare group
Cape Girardeau, MO 63701
- Reassigned Medicare billing, Missouri enrollment
- 470 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 132 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.
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
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 Cox's NPI number?
The NPI number for James Cox is 1467490748. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is James Cox located?
James Cox practices at 4242 Medical Dr Suite 3100, San Antonio, TX 78229. The listed phone number is (210) 615-1187.
What is James Cox's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Cox enrolled in Medicare?
Yes. James Cox 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 James Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Cox reassigns Medicare benefits to 9 organizations: Underway Anesthesia Services, PLLC (Lakehills, TX), Austin Anesthesiology Group, PLLC (Austin, TX), Harris County Med Surg Partners PLLC (Houston, TX), Xenon Medical Of Texas PLLC (Houston, TX), Houston Anesthesia Services PLLC (Houston, TX) and 4 more organizations, listed in the Medicare section above. 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 James Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Cox accept?
Health plans from Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and Taro Health list James Cox 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 James Cox was last updated on December 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. James Glenn Cox, MD · NPI 1467490748
Anesthesiology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 2, 2006.
## Identity
- **NPI:** 1467490748 (Entity type: Individual)
- **Enumerated:** June 2, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** J6393 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4242 MEDICAL DR, SUITE 3100, San Antonio, TX 78229-5640
- **Phone:** (210) 615-1187 · **Fax:** (210) 614-2180
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Underway Anesthesia Services, PLLC (NPI 1568356541, Lakehills, TX); Austin Anesthesiology Group, PLLC (NPI 1598724304, Austin, TX); Harris County Med Surg Partners PLLC (NPI 1417490137, Houston, TX); Xenon Medical Of Texas PLLC (NPI 1588007215, Houston, TX); Houston Anesthesia Services PLLC (NPI 1194332130, Houston, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** December 6, 2011
- **Other identifiers:** Medicaid 1498438-01 (TX); Medicare PIN 8731M4
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Source: [NPI Profile](https://npiprofile.com/npi/1467490748) · Data from the CMS NPPES public registry.