Dr Oscar Jack Chastain Iii, MD - Medicare in Longview, TX

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Dr Oscar Jack Chastain Iii, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Longview, Texas. 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.

Contact Information

Dr Oscar Jack Chastain Iii, MD
701 E Marshall Ave, Suite 504,
Longview, TX 75601-5659
(903) 315-2777
(903) 315-2771

Map and Direction




Physician's Profile

Full NameDr Oscar Jack Chastain Iii
GenderMale
Speciality
Experience Years
Location701 E Marshall Ave, Longview, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Oscar Jack Chastain Iii attended and graduated from in
  NPI Data:
  • NPI Number: 1285635409
  • Provider Enumeration Date: 08/10/2005
  • Last Update Date: 12/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Oscar Jack Chastain Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285635409NPI-NPPES
043391401MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) F6524 (Texas)Primary

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 AddressPractice Location Address
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

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Longview, TX

Michael P Siegenthaler, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 705 E Marshall Ave, Longview, TX 75601
Phone: 903-315-2777    
James Harrell, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Not Enrolled in Medicare
Practice Location: 707 Hollybrook Dr, Longview, TX 75605
Phone: 903-291-6191    Fax: 903-291-6155

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.