Dr Oscar Jack Chastain Iii, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Longview, Texas. He went to Baylor College Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Christus Trinity Clinic and his current practice location is
701 E Marshall Ave, Suite 504, Longview, Texas. You can reach out to his office (for appointments etc.) via phone at
(903) 315-2777.
Dr Oscar Jack Chastain Iii is licensed to practice in Texas (license number F6524) and he also participates in the medicare program. He
accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1285635409.
Physician's Profile
| Full Name | Dr Oscar Jack Chastain Iii |
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| Gender | Male |
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| Speciality | Thoracic Surgery |
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| Experience | 44 Years |
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| Location | 701 E Marshall Ave, Longview, Texas |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Oscar Jack Chastain Iii attended and graduated from Baylor College Of Medicine in 1980
NPI Data:
- NPI Number: 1285635409
- Provider Enumeration Date: 08/10/2005
- Last Update Date: 12/19/2023
Medicare PECOS Information:
- PECOS PAC ID: 4082795190
- Enrollment ID: I20100729000536
Medical Identifiers
Medical identifiers for Dr Oscar Jack Chastain Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1285635409 | NPI | - | NPPES |
| 043391401 | Medicaid | TX | |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 208G00000X | Thoracic Surgery (cardiothoracic Vascular Surgery) | F6524 (Texas) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
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| Christus Trinity Clinic | 3072426741 | 1217 |
Medicare Reassignments
Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Oscar Jack Chastain Iii allows following entities to bill medicare on his behalf.
| Entity Name | Christus Trinity Clinic |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1285684225
PECOS PAC ID: 3072426741
Enrollment ID: O20031204001091 |
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Medicare Part D Prescriber Enrollment
Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Oscar Jack Chastain Iii is
enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.
Mailing Address and Practice Location
| Mailing Address | Practice Location Address |
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Dr Oscar Jack Chastain Iii, MD
Po Box 4207,
Longview, TX 75606-4207
Ph: (903) 315-4119 | Dr Oscar Jack Chastain Iii, MD
701 E Marshall Ave, Suite 504,
Longview, TX 75601-5659
Ph: (903) 315-2777 |
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