Doctor profile · Federal record
Dr. Oscar Chastain, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Longview, TX
- NPI 1285635409
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
701 E Marshall Ave, Suite 504
Longview, TX 756015659
(903) 315-2777
fax (903) 315-2771 - Additional location
-
703 E Marshall Ave Ste 5008
Longview, TX 756015557
(903) 315-4880 - Additional location
-
705 E Marshall Ave Ste 5001
Longview, TX 756015524
(903) 315-4880 - Additional location
-
707 E Marshall Ave
Longview, TX 756015545
(903) 315-4880 - Mailing address
-
Po Box 4207
Longview, TX 756064207
Show 1 more location
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- December 19, 2023
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State license (1)
- Texas #F6524
- Medicaid
- TX #043391401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285635409. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
151
Distinct HCPCS
5
Medicare allowed
$18,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 44 | $64 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 45 | 45 | $170 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 28 | 27 | $170 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $130 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 11 | 11 | $95 |
In context: peer comparison
Among 3 peers in Longview Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 45. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| W. L. Gore & Associates, INC. | 1 | $20.14 | |
| Janssen Pharmaceuticals, INC | 1 | $15.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
50
Patients
23
Total drug cost
$1,003
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 26 | 23 | $295 |
| Cilostazol | Generic | 24 | 0 | $708 |
Frequently asked questions
What is Dr. Oscar Chastain's medical specialty?
Dr. Oscar Chastain practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Longview, TX.
Where does Dr. Oscar Chastain practice?
Dr. Oscar Chastain practices at 701 E Marshall Ave, Longview, TX 756015659. Office phone: 9033152777.
What is Dr. Oscar Chastain's NPI?
Dr. Oscar Chastain's National Provider Identifier (NPI) is 1285635409, issued by NPPES.
Does Dr. Oscar Chastain accept Medicare assignment?
Yes. Dr. Oscar Chastain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oscar Chastain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99205); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.