Dr Dennis A Tweedy, MD - Medicare Hematology/oncology in Austin, TX

Dr Dennis A Tweedy, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Austin, Texas. He went to University Of Virginia School Of Medicine and graduated in 1979 and has 45 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Texas Oncology Pa and his current practice location is 4101 James Casey St, Suite 250, Austin, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 419-9733.

Dr Dennis A Tweedy is licensed to practice in Texas (license number H7840) 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 1205874948.

Contact Information

Dr Dennis A Tweedy, MD
4101 James Casey St, Suite 250,
Austin, TX 78745-1110
(512) 419-9733
(512) 440-1747



Physician's Profile

Full NameDr Dennis A Tweedy
GenderMale
SpecialityHematology/oncology
Experience45 Years
Location4101 James Casey St, Austin, 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 Dennis A Tweedy attended and graduated from University Of Virginia School Of Medicine in 1979
  NPI Data:
  • NPI Number: 1205874948
  • Provider Enumeration Date: 06/03/2006
  • Last Update Date: 05/10/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 5395731616
  • Enrollment ID: I20040422000888

Medical Identifiers

Medical identifiers for Dr Dennis A Tweedy such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205874948NPI-NPPES
132779309MedicaidTX
8BP363OtherTXBCBS OF TX
P00691573OtherTXRAILROAD MEDICARE
132779302MedicaidTX
132779310MedicaidTX
0811853-01MedicaidTX
830004370OtherTXRAILROAD MEDICARE NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology H7840 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Oncology Pa5395658934855

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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 Dennis A Tweedy allows following entities to bill medicare on his behalf.
Entity NameTexas Oncology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811944101
PECOS PAC ID: 5395658934
Enrollment ID: O20031124000323

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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 Dennis A Tweedy 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 Dennis A Tweedy, MD
Po Box 911230,
Dallas, TX 75391-1230

Ph: (972) 997-8000
Dr Dennis A Tweedy, MD
4101 James Casey St, Suite 250,
Austin, TX 78745-1110

Ph: (512) 419-9733

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Internal Medicine Doctors in Austin, TX

Dr. Tatiana B. Jacobson, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 5656 Bee Caves Rd. Bldg C Ste. 102, Austin, TX 78746
Phone: 512-323-5465    Fax: 512-327-1390
Preeti Venkatraman, M.B.B.S.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 601 E 15th St, Austin, TX 78701
Phone: 512-324-7000    
Pritesh Harish Gandhi, M.D., M.P.H.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 1101 Camino La Costa, Austin, TX 78752
Phone: 512-684-1832    
Dr. Joshua Lane Davis, D.O.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 1004 W 32nd St Unit 300, Austin, TX 78705
Phone: 512-324-3440    
Dr. Analicia Alvarado, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1500 Red River St, Austin, TX 78701
Phone: 512-324-7000    
Dr. Grace Marie Grant-jennings, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 7000 North Mopac, Suite # 420, Austin, TX 78731
Phone: 512-482-0045    Fax: 512-476-9892
Dr. Debra Ann Patt, MD, MPH
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6204 Balcones Dr, Austin, TX 78731
Phone: 512-427-9400    Fax: 512-342-2723

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