Charles John Lostak, DO - Medicare Gastroenterology in Dallas, TX

Charles John Lostak, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Dallas, Texas. He went to Oklahoma State University College Of Osteopathic Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Medhealth and his current practice location is 3450 W Wheatland Rd, Pob Ii, Suite 245, Dallas, Texas. You can reach out to his office (for appointments etc.) via phone at (214) 948-8856.

Charles John Lostak is licensed to practice in Texas (license number H0576) 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 1477549913.

Contact Information

Charles John Lostak, DO
3450 W Wheatland Rd, Pob Ii, Suite 245,
Dallas, TX 75237-3470
(214) 948-8856
(214) 948-5516

Map and Direction




Physician's Profile

Full NameCharles John Lostak
GenderMale
SpecialityGastroenterology
Experience39 Years
Location3450 W Wheatland Rd, 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:
  • Charles John Lostak attended and graduated from Oklahoma State University College Of Osteopathic Medicine in 1985
  NPI Data:
  • NPI Number: 1477549913
  • Provider Enumeration Date: 09/20/2005
  • Last Update Date: 11/17/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3870561533
  • Enrollment ID: I20040922000177

Medical Identifiers

Medical identifiers for Charles John Lostak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477549913NPI-NPPES
172179701MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology H0576 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Methodist Charlton Medical CenterDallas, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medhealth9931001567306

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. Charles John Lostak allows following entities to bill medicare on his behalf.
Entity NameMedhealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912957200
PECOS PAC ID: 9931001567
Enrollment ID: O20040123000832

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. Charles John Lostak 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
Charles John Lostak, DO
3450 W Wheatland Rd, Pob Ii, Suite 245,
Dallas, TX 75237-3470

Ph: (214) 948-8856
Charles John Lostak, DO
3450 W Wheatland Rd, Pob Ii, Suite 245,
Dallas, TX 75237-3470

Ph: (214) 948-8856

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.