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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARCI KROP COOK M.D., FACOG
NPI 1225076342
Obstetrics & Gynecology - Reproductive Endocrinology in Reston, VA

Active since June 02, 2006Opted out of Medicare · through Jan 3, 2027
1800 TOWN CENTER DR, SUITE 313, RESTON, VA 20190(703) 925-9300(703) 742-8358 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Dr. Marci Krop Cook M.d., Facog NPPES

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

DR. MARCI KROP COOK M.D., FACOG (NPI 1225076342) is an individual reproductive endocrinology provider in Reston, Virginia, licensed in Virginia (0101053824) and active in the NPI registry since June 2006. She has opted out of Medicare through January 3, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1225076342
Entity TypeIndividualFemale
Primary Taxonomy207VE0102X
Provider Legal NameDR. MARCI KROP COOKCredential: M.D., FACOG
Location Address1800 TOWN CENTER DR, SUITE 313Reston, VA 20190-3215
Mailing Address1800 Town Center Dr, Suite 313Reston, VA 20190-3215 · (703) 925-9300 · Fax (703) 742-8358
Phone(703) 925-9300
Fax(703) 742-8358
Sole ProprietorNo
Enumeration DateJune 2, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1225076342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
License✔ Licensed in VA · 0101053824
Definition

An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

1800 TOWN CENTER DR, Reston, VA 20190
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Marci Krop Cook M.d., Facog has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 3, 2017 through January 3, 2027.

Opt-Out Effective DateJanuary 3, 2017
Opt-Out In Effect ThroughJanuary 3, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20190 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
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
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.

RESTON PSYCHOLOGICAL CENTER, P.C.
Counselor (Mental Health)
1800 TOWN CENTER DR, SUITE 411
RESTON, VA 20190
Fairfax County (703) 437-3236
DR. JUAN ALBERTO TRINIDAD M.D
Family Medicine
1800 TOWN CENTER DR, SUITE 310
RESTON, VA 20190
Fairfax County (703) 709-7225
DR. WENDY RUTH GOTTLIEB M.D.
Specialist
1800 TOWN CENTER DR, SUITE 418
RESTON, VA 20190
Fairfax County (703) 668-9499
DERMATOLOGY SPECIALISTS OF VIRGINIA PC
Dermatology
1800 TOWN CENTER DR, STE 415
RESTON, VA 20190
Fairfax County (703) 709-1492
MRS. MADELINE PETRIZZI JURICH LCSW
Social Worker
1800 TOWN CENTER DR, STE 411
RESTON, VA 20190
Fairfax County (703) 437-3236
DR. EDWARD DAVID FARBER PHD
Psychologist
1800 TOWN CENTER DR, #411
RESTON, VA 20190
Fairfax County (703) 437-3236
DR. ESTHER M. ISEMAN M.S., PH.D.
Specialist
1800 TOWN CENTER DR, SUITE 420
RESTON, VA 20190
Fairfax County (703) 860-6854
ELIZABETH ANN BRANTLEY MD
Pediatrics
1800 TOWN CENTER DR
RESTON, VA 20190
Fairfax County (703) 435-0808

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 Marci Cook's NPI number?

The NPI number for Marci Cook is 1225076342. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Marci Cook located?

Marci Cook practices at 1800 Town Center Dr Suite 313, Reston, VA 20190. The listed phone number is (703) 925-9300.

What is Marci Cook's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Is Marci Cook enrolled in Medicare?

No. Marci Cook has opted out of Medicare through January 3, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Marci Cook was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.