Dr Themistocles Dassopoulos, MD - Medicare Gastroenterology in Dallas, TX

Dr Themistocles Dassopoulos, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Dallas, Texas. He went to Warren Alpert Medical School Of Brown University and graduated in 1991 and has 33 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Healthtexas Provider Network and his current practice location is 3409 Worth Street, Suite 640, Dallas, Texas. You can reach out to his office (for appointments etc.) via phone at (469) 800-7180.

Dr Themistocles Dassopoulos is licensed to practice in Texas (license number Q0899) 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 1326083148.

Contact Information

Dr Themistocles Dassopoulos, MD
3409 Worth Street, Suite 640,
Dallas, TX 75246
(469) 800-7180
(469) 800-7190

Map and Direction




Physician's Profile

Full NameDr Themistocles Dassopoulos
GenderMale
SpecialityGastroenterology
Experience33 Years
Location3409 Worth Street, Dallas, 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 Themistocles Dassopoulos attended and graduated from Warren Alpert Medical School Of Brown University in 1991
  NPI Data:
  • NPI Number: 1326083148
  • Provider Enumeration Date: 06/17/2006
  • Last Update Date: 09/02/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3476563446
  • Enrollment ID: I20150108002136

Medical Identifiers

Medical identifiers for Dr Themistocles Dassopoulos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326083148NPI-NPPES
1760488936OtherTXGROUP NPI
3445801-01MedicaidTX
7310099OtherTXAETNA MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 2008001013 (Missouri)Secondary
207RG0100XInternal Medicine - Gastroenterology Q0899 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baylor University Medical CenterDallas, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Healthtexas Provider Network13552542101844

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 Themistocles Dassopoulos allows following entities to bill medicare on his behalf.
Entity NameHealthtexas Provider Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760488936
PECOS PAC ID: 1355254210
Enrollment ID: O20040727001187

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 Themistocles Dassopoulos 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 Themistocles Dassopoulos, MD
3409 Worth Street, Suite 640,
Dallas, TX 75246

Ph: (469) 800-7180
Dr Themistocles Dassopoulos, MD
3409 Worth Street, Suite 640,
Dallas, TX 75246

Ph: (469) 800-7180

Reviews and Comments


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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.