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DR. MARK A TRETIAK MD
NPI 1851451322
Obstetrics & Gynecology in Mc Lean, VA

Active since December 12, 2006PECOS EnrolledAccepts Medicare Assignment
8008 WESTPARK DR, MC LEAN, VA 22102(703) 287-4550(703) 287-4551 Get Directions Write a Review

NPPES record last updated: June 17, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark A Tretiak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A TRETIAK MD (NPI 1851451322) is an individual obstetrics & gynecology provider in Mc Lean, Virginia, licensed in Virginia (0101059094) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (1993).

NPPES Registry Identity

NPI1851451322
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARK A TRETIAKCredential: MD
Location Address8008 WESTPARK DRMc Lean, VA 22102-3109
Mailing Address2101 East Jefferson Street, Ppqa Medicare Compliance Unit 6 WestRockville, MD 20852-4908 · (301) 816-6660 · Fax (301) 816-6308
Phone(703) 287-4550
Fax(703) 287-4551
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1993
Enumeration DateDecember 12, 2006
Last NPPES UpdateJune 17, 2021
NPPES CertifiedJune 17, 2021
✔ NPI 1851451322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in VA · 0101059094✔ Licensed in MD · D0052092✔ Licensed in DC · MD30245
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8008 WESTPARK DR, Mc Lean, VA 22102
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark A Tretiak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507917531
PECOS Enrollment IDI20090702000001, I20140729000311
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TROY W BAKER D.O.
Allergy & Immunology
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6559
JENNIFER GILLMAN
Nuclear Medicine
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
DR. JULIE ANN AMBROSE M.D.
Obstetrics & Gynecology
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-4550
DR. LINDA M CARDINAL MD
Surgery
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
REGINA DE LA TORRE LEE
Registered Nurse
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6400
DR. JOHN SANIL SAMUEL M.D.
Internal Medicine
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-1504
MRS. CYNTHIA ANN LEAVER PHD, RN, FNP-BC
Nurse Practitioner (Family)
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-6442
DR. BAO KHOA TRAN NGUYEN PHARMD
Pharmacist
8008 WESTPARK DR
MC LEAN, VA 22102
Fairfax County (703) 287-4650

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Tretiak's NPI number?

The NPI number for Mark Tretiak is 1851451322. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Mark Tretiak located?

Mark Tretiak practices at 8008 Westpark Dr, Mc Lean, VA 22102. The listed phone number is (703) 287-4550.

What is Mark Tretiak's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mark Tretiak enrolled in Medicare?

Yes. Mark Tretiak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mark Tretiak was last updated on June 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.