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DR. MARC A KOUYOUMDJIAN MD
NPI 1629136999
Orthopaedic Surgery in Fairfax, VA

Active since December 05, 2006PECOS Enrolled
12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER, FAIRFAX, VA 22033(703) 934-5700 Get Directions Write a Review

NPPES record last updated: June 28, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Marc A Kouyoumdjian Md NPPES

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

DR. MARC A KOUYOUMDJIAN MD (NPI 1629136999) is an individual orthopaedic surgery provider in Fairfax, Virginia, licensed in Virginia (0101229954) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629136999
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MARC A KOUYOUMDJIANCredential: MD
Location Address12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTERFairfax, VA 22033-3952
Mailing Address2101 E Jefferson St, Kaiser Permanente Medicare EnrollmentRockville, MD 20852-4908 · (301) 816-2424
Phone(703) 934-5700
Sole ProprietorNo
Enumeration DateDecember 5, 2006
Last NPPES UpdateJune 28, 2021
NPPES CertifiedJune 28, 2021
✔ NPI 1629136999 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in VA · 0101229954
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
12255 FAIR LAKES PKWY, Fairfax, VA 22033
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marc A Kouyoumdjian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Marc Kouyoumdjian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
4.0 mi
Health Maintenance Organization
12255 FAIR OAKS PKWY
Fairfax, VA 22033
NPI 1215058326 (703) 934-5700

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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.

ANDALEEB RAHMAN MD
Family Medicine
12255 FAIR LAKES PKWY
FAIRFAX, VA 22033
Fairfax County (703) 359-7878
RENEE ELIZABETH FUNCHES M.D.
Internal Medicine (Hematology & Oncology)
12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER
FAIRFAX, VA 22033
Fairfax County (703) 934-5700
DR. KHOI T VU MD
Obstetrics & Gynecology
12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER
FAIRFAX, VA 22033
Fairfax County (703) 934-5720
DR. MONA THERESA ISKANDER M.D.
Pediatrics
12255 FAIR LAKES PKWY
FAIRFAX, VA 22033
Fairfax County (703) 934-5804
DR. KATHERINE OHLHAUSEN MCCABE MD
Ophthalmology
12255 FAIR LAKES PKWY
FAIRFAX, VA 22033
Fairfax County (703) 934-5700
KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC
Clinic/Center (Health Service)
12255 FAIR LAKES PKWY
FAIRFAX, VA 22033
Fairfax County (703) 934-5700
DR. MINH-PHUONG LU DOAN MD
Ophthalmology
12255 FAIR LAKES PKWY, KAISER PERMANENTE
FAIRFAX, VA 22033
Fairfax County (702) 934-5700
WILLIAM SEID M.D.
Colon & Rectal Surgery
12255 FAIR LAKES PKWY, KAISER PERMANENTE FAIR OAKS MEDICAL CENTER
FAIRFAX, VA 22033
Fairfax County (703) 934-5770

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 Marc Kouyoumdjian's NPI number?

The NPI number for Marc Kouyoumdjian is 1629136999. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is Marc Kouyoumdjian located?

Marc Kouyoumdjian practices at 12255 Fair Lakes Pkwy Kaiser Permanente Fair Oaks Medical Center, Fairfax, VA 22033. The listed phone number is (703) 934-5700.

What is Marc Kouyoumdjian's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Marc Kouyoumdjian enrolled in Medicare?

Yes. Marc Kouyoumdjian is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marc Kouyoumdjian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Kouyoumdjian reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Fairfax, VA). The 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 Marc Kouyoumdjian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marc Kouyoumdjian was last updated on June 28, 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.