Dr Mark A Tretiak, MD - Medicare in Mc Lean, VA

Dr Mark A Tretiak, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Mc Lean, Virginia. His current practice location is 8008 Westpark Dr, Mc Lean, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 287-4550.

Dr Mark A Tretiak is licensed to practice in Virginia (license number 0101059094) 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 1851451322.

Contact Information

Dr Mark A Tretiak, MD
8008 Westpark Dr,
Mc Lean, VA 22102-3109
(703) 287-4550
(703) 287-4551

Map and Direction




Physician's Profile

Full NameDr Mark A Tretiak
GenderMale
Speciality
Experience Years
Location8008 Westpark Dr, Mc Lean, Virginia
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 Mark A Tretiak attended and graduated from in
  NPI Data:
  • NPI Number: 1851451322
  • Provider Enumeration Date: 12/12/2006
  • Last Update Date: 06/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Dr Mark A Tretiak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851451322NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology MD30245 (District Of Columbia)Secondary
207V00000XObstetrics & Gynecology D0052092 (Maryland)Secondary
207V00000XObstetrics & Gynecology 0101059094 (Virginia)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 Mark A Tretiak 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 Mark A Tretiak, MD
2101 East Jefferson Street, Ppqa Medicare Compliance Unit 6 West,
Rockville, MD 20852-4908

Ph: (301) 816-6660
Dr Mark A Tretiak, MD
8008 Westpark Dr,
Mc Lean, VA 22102-3109

Ph: (703) 287-4550

Reviews and Comments


Obstetrics & Gynecology Doctors in Mc Lean, VA

Dr. Julie Ann Ambrose, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 8008 Westpark Dr, Mc Lean, VA 22102
Phone: 703-287-4550    
Dr. Bita Motesharrei, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1515 Chain Bridge Rd, Suite 314, Mc Lean, VA 22101
Phone: 703-356-7700    Fax: 703-883-1126
Dr. Jason Wong, MD, MPH, MBA
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 6900 Fleetwood Rd Unit 315, Mc Lean, VA 22101
Phone: 917-751-0823    
Shannon Cothran, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 2010 Corporate Rdg Ste 510, Mc Lean, VA 22102
Phone: 571-297-4200    Fax: 571-297-4551
Eva Li, D.O.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 6845 Elm St Ste 600, Mc Lean, VA 22101
Phone: 703-748-9880    Fax: 703-748-7123
Dr. Adeline Mabel Coleman, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1420 Spring Hill Rd Ste 160, Mc Lean, VA 22102
Phone: 703-888-8589    
Natasha C Owendoff, MD
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 6845 Elm St Ste 600, Mc Lean, VA 22101
Phone: 703-748-9880    Fax: 703-748-7123

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.