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SHARON S KARR M.D.
NPI 1609854207
Pediatrics - Pediatric Cardiology in Fairfax, VA

Active since January 04, 2006PECOS Enrolled
81.28/100
CMS Quality Rating
8260 WILLOW OAKS CORPORATE DR STE 400, FAIRFAX, VA 22031(703) 573-0504(703) 573-4856 Get Directions Write a Review

NPPES record last updated: April 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 29, 2022, Dec 30, 2021, Jan 10, 2017 (3 updates tracked since 2017).

About Sharon S Karr M.d. NPPES

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

SHARON S KARR M.D. (NPI 1609854207) is an individual pediatric cardiology provider in Fairfax, Virginia, licensed in Virginia (0101048593) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Falls Church.

NPPES Registry Identity

NPI1609854207
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameSHARON S KARRCredential: M.D.
Location Address8260 WILLOW OAKS CORPORATE DR STE 400Fairfax, VA 22031-4513
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Phone(703) 573-0504
Fax(703) 573-4856
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateApril 29, 20223 updates tracked since enumeration
NPPES CertifiedApril 29, 2022
✔ NPI 1609854207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in VA · 0101048593
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
8260 WILLOW OAKS CORPORATE DR STE 400, Fairfax, VA 22031
Open in Google Maps ↗

Secondary Practice Location 1

Location 13300 Gallows RdFalls Church, VA 22042-3300 · Phone (703) 776-4001 ext. 7 · Fax (703) 776-3623

Other Identifiers 1

Medicaid006728014VA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sharon S Karr M.d. 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 Sharon Karr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services
0.5 mi
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 2,618 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.77
Promoting Interoperability100
Improvement Activities40
Cost66.84

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.

KRISTEN ELIZABETH BARBIERI PA-C
Physician Assistant
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
KINJAL PARIKH MD
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
DR. HARISH SITARAM RUDRA D.O.
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
SHERIF S TAWFIK M.D.
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
JENNIFER H LINDSEY M.D.
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
MARC DELANEY MD
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
DR. HIRAL SHAH MD
Pediatrics
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504
PATRICK F CALLAHAN M.D.
Pediatrics (Pediatric Cardiology)
8260 WILLOW OAKS CORPORATE DR STE 400
FAIRFAX, VA 22031
Fairfax County (703) 573-0504

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 Sharon Karr's NPI number?

The NPI number for Sharon Karr is 1609854207. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Sharon Karr located?

Sharon Karr practices at 8260 Willow Oaks Corporate Dr Ste 400, Fairfax, VA 22031. The listed phone number is (703) 573-0504.

What is Sharon Karr's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Sharon Karr enrolled in Medicare?

Yes. Sharon Karr is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sharon Karr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Karr reassigns Medicare benefits to Inova Health Care Services (Falls Church, 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 Sharon Karr'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 Sharon Karr was last updated on April 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.