DR. CHRISTOPHER MICHAEL TARNEY M.D.
NPI 1528303336
Obstetrics & Gynecology - Gynecologic Oncology in Bethesda, MD

Active since December 05, 2012PECOS EnrolledAccepts Medicare Assignment
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 400-1274 Get Directions Write a Review

NPPES record last updated: January 9, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2022, Nov 10, 2021, Apr 7, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Christopher Michael Tarney M.d. NPPES

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

DR. CHRISTOPHER MICHAEL TARNEY M.D. (NPI 1528303336) is an individual gynecologic oncology provider in Bethesda, Maryland, licensed in North Carolina (192545) and active in the NPI registry since December 2012. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Falls Church.

NPPES Registry Identity

NPI1528303336
Entity TypeIndividualMale
Primary Taxonomy207VX0201X
Provider Legal NameDR. CHRISTOPHER MICHAEL TARNEYCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001 · (301) 400-1274
Sole ProprietorYes
Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 2012
Enumeration DateDecember 5, 2012
Last NPPES UpdateJanuary 9, 20244 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2024
✔ NPI 1528303336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
Licenses✔ Licensed in NC · 192545✔ Licensed in VA · 0101275577
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
8901 ROCKVILLE PIKE, Bethesda, MD 20889

Secondary Practice Location 1

Location 16400 Arlington Blvd Ste 210Falls Church, VA 22042-2349 · Phone (703) 531-3000 · Fax (703) 531-3142

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher Michael Tarney M.d. 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 ID1052604303
PECOS Enrollment IDI20230426001779
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.

Medicare Billing Reassignments

10

Medicare enrollment records show Christopher Tarney reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1376887844 (Maryland)
  • 3,530 clinicians in this Medicare group
6.3 mi
Psychiatry
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 861 clinicians in this Medicare group
Emergency Medical Services
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Medicare enrollment name: Whc Physician Group LLC
  • Also billed through NPI 1700154226 (Maryland)
  • 613 clinicians in this Medicare group
Cardiovascular Disease
1851 N GEORGE MASON DR STE 3C
Arlington, VA 22207
  • Reassigned Medicare billing, District of Columbia enrollment
  • 436 clinicians in this Medicare group
Multi-Specialty
2740 PROSPERITY AVE STE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 clinicians in this Medicare group
Obstetrics & Gynecology
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
  • Reassigned Medicare billing, District of Columbia enrollment
  • 45 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Maryland and Washington enrollments
  • 227 clinicians in this Medicare group
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
Rehabilitation, Substance Use Disorder
4800 COLLEGE ST SE
Lacey, WA 98503
  • Reassigned Medicare billing, Washington enrollment
  • 184 clinicians in this Medicare group
Family Medicine
525 LILLY RD NE
Olympia, WA 98506
  • Reassigned Medicare billing, Washington enrollment
  • 646 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Surgery (Vascular Surgery)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Neurological Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889

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 Christopher Tarney's NPI number?

The NPI number for Christopher Tarney is 1528303336. It was assigned to this individual provider in the NPPES registry on December 5, 2012.

Where is Christopher Tarney located?

Christopher Tarney practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 400-1274.

What is Christopher Tarney's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Christopher Tarney enrolled in Medicare?

Yes. Christopher Tarney 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.

Which organizations bill Medicare for Christopher Tarney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Tarney reassigns Medicare benefits to 10 organizations: Medstar Medical Group II LLC (Washington, DC), Mgmc LLC (Washington, DC), Whc Emerg Phys (Washington, DC), Virginia Hospital Center Physician Group LLC (Arlington, VA), Inova Health Care Services (Fairfax, VA) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Tarney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Tarney accept?

Health plans from Ambetter Health, Oscar Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Christopher Tarney as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christopher Tarney affiliated with any hospitals?

According to CMS data, Christopher Tarney is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Tarney was last updated on January 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.