DR. DEIRDRE MARY CAROLAN CRNP, PH.D.
NPI 1467659698
Nurse Practitioner - Adult Health in Falls Church, VA

Active since June 29, 2007PECOS Enrolled
81.28/100
CMS Quality Rating
3300 GALLOWS RD, INOVA FAIRFAX HOSPITAL, FALLS CHURCH, VA 22042(703) 776-3789 Get Directions Write a Review

NPPES record last updated: June 11, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Deirdre Mary Carolan Crnp, Ph.d. NPPES

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

DR. DEIRDRE MARY CAROLAN CRNP, PH.D. (NPI 1467659698) is an individual adult health provider in Falls Church, Virginia, licensed in Virginia (0001-066408) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467659698
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameDR. DEIRDRE MARY CAROLANCredential: CRNP, PH.D.
Location Address3300 GALLOWS RD, INOVA FAIRFAX HOSPITALFalls Church, VA 22042-3307
Mailing Address914 Westwood Dr NeVienna, VA 22180-3642 · (703) 776-3789
Sole ProprietorNo
Enumeration DateJune 29, 2007
Last NPPES UpdateJune 11, 2012
✔ NPI 1467659698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in VA · 0001-066408
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 001066408 (VA)
Also ListedClinical Nurse Specialist · GerontologyTaxonomy 364SG0600X · License 15000207 (VA)
3300 GALLOWS RD, Falls Church, VA 22042

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Deirdre Mary Carolan Crnp, Ph.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 Deirdre Carolan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 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
$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.

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.

Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042

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 Deirdre Carolan's NPI number?

The NPI number for Deirdre Carolan is 1467659698. It was assigned to this individual provider in the NPPES registry on June 29, 2007.

Where is Deirdre Carolan located?

Deirdre Carolan practices at 3300 Gallows Rd Inova Fairfax Hospital, Falls Church, VA 22042. The listed phone number is (703) 776-3789.

What is Deirdre Carolan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Deirdre Carolan enrolled in Medicare?

Yes. Deirdre Carolan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Deirdre Carolan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre Carolan 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 Deirdre Carolan'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 Deirdre Carolan was last updated on June 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.