Doctor profile · Federal record
Dr. John Calhoon, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · San Antonio, TX
- NPI 1568579548
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4647 Medical Dr
San Antonio, TX 782294403
(210) 257-1400 - Mailing address
-
Uthscsa, Uthscsa, Dept. of Surgery, 7703 Floyd Curl Drive, Rm 238F.3
San Antonio, TX 78229
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State license (1)
- Texas #G3935
- Medicaid
- TX #117791703
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568579548. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Atricure, INC. | 1 | $16.85 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. John Calhoon's medical specialty?
Dr. John Calhoon practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Antonio, TX.
Where does Dr. John Calhoon practice?
Dr. John Calhoon practices at 4647 Medical Dr, San Antonio, TX 782294403. Office phone: 2102571400.
What is Dr. John Calhoon's NPI?
Dr. John Calhoon's National Provider Identifier (NPI) is 1568579548, issued by NPPES.
Does Dr. John Calhoon accept Medicare assignment?
Yes. Dr. John Calhoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.