THEODORE G BELITSOS M.D.
NPI 1073525457
Anesthesiology in San Antonio, TX
About Theodore G Belitsos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THEODORE G BELITSOS M.D. (NPI 1073525457) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (M5629) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with York Hospital, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Theodore G Belitsos 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 Reassignments
5Medicare enrollment records show Theodore Belitsos reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Austin, TX 78759
- Reassigned Medicare billing, Texas enrollment
- 840 clinicians in this Medicare group
Mckinney, TX 75069
- Reassigned Medicare billing, Texas enrollment
- 125 clinicians in this Medicare group
Webster, SD 57274
- Reassigned Medicare billing, South Dakota enrollment
- Medicare enrollment name: Avera St Lukes
- 259 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Washington enrollment
- 180 clinicians in this Medicare group
York, ME 03909
- Reassigned Medicare billing, Maine enrollment
- 347 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.
York Hospital
Acute Care Hospitals · York, MEAvera St Lukes
Acute Care Hospitals · Aberdeen, SDMethodist Hospital
Acute Care Hospitals · San Antonio, TXMedicare 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 Theodore Belitsos's NPI number?
The NPI number for Theodore Belitsos is 1073525457. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is Theodore Belitsos located?
Theodore Belitsos practices at 4242 Medical Dr Suite 3100, San Antonio, TX 78229. The listed phone number is (210) 477-9555.
What is Theodore Belitsos's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Theodore Belitsos enrolled in Medicare?
Yes. Theodore Belitsos 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 Theodore Belitsos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theodore Belitsos reassigns Medicare benefits to 5 organizations: Austin Anesthesiology Group, PLLC (Austin, TX), Allen Anesthesia Associates (Mckinney, TX), Avera Medical Group Webster (Webster, SD), Oregon Anesthesiology Group PC (Portland, OR) and York Hospital (York, ME). 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 Theodore Belitsos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theodore Belitsos accept?
Health plans from Avera Health Plans, Blue Cross and Blue Shield of Texas, Community First, Moda Health Plan, Inc. and Molina Healthcare and 5 other insurers list Theodore Belitsos 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 Theodore Belitsos affiliated with any hospitals?
According to CMS data, Theodore Belitsos is affiliated with York Hospital, Avera St Lukes and Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Theodore Belitsos was last updated on August 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.