2026 NPPES data Clinical Psychologist NPI 1639239510 PHD
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KAREN FITZGERALD, PHD

Clinical Psychologist in FAIRFAX, Virginia. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.

What the federal data shows

KAREN FITZGERALD, PHD is a Clinical Psychologist in FAIRFAX, Virginia, listed in the federal CMS National Provider Identifier registry.

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

What does the federal data show about KAREN FITZGERALD, PHD?

Quality data not reported

NPI registry status

Active

Issued 12/11/2006

NPI 1639239510

Primary specialty

Clinical Psychologist

High-volume

62,855 US NPIs in this specialty

Specialty distribution in Virginia

How Clinical Psychologist compares to other specialties among Virginia providers

Virginia providers

Clinical Psychologist share within Virginia

1. Clinical Psychologist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Clinical Psychologist share within Virginia

Specialty board-certification context

Estimated specialty board-certified rate — Clinical Psychologist (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Clinical Psychologist ABMS/AOA estimate

Est. board-certified rate (Clinical Psychologist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Clinical Psychologist) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

KAREN FITZGERALD, PHD appears in the CMS NPPES registry as a Clinical Psychologist provider holding PHD credentials at 10721 MAIN ST STE 203, FAIRFAX, VA, 22030, with a listed phone of (702) 831-2040. NPI 1639239510 was issued on 12/11/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FITZGERALD most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D prescribing data is not currently published for this NPI, which typically means the provider either wrote fewer than 11 Part D claims in the most recent reporting year, does not participate in Medicare, or practices in a specialty that rarely prescribes outpatient drugs. Absence of prescribing data is not a quality signal — many Clinical Psychologist providers operate outside Part D entirely.

Clinical Psychologist is a high-volume specialty nationwide, with 62,855 enrolled providers across 56 states and an average of 615 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

10721 MAIN ST STE 203
FAIRFAX, VA 22030

Provider Details

NPI 1639239510
Specialty Clinical Psychologist
Credentials PHD
Gender Female
NPI Issued 12/11/2006

Hospital and facility affiliations

Facilities where KAREN FITZGERALD, PHD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

SYNERGY PSYCHOLOGICAL SERVICES
FAIRFAX, VA
WOODBRIDGE PSYCHOLOGICAL ASSOCIATES PC
WOODBRIDGE, VA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Clinical Psychologist Overview

How KAREN FITZGERALD, PHD fits within the Clinical Psychologist landscape nationally.

62,855
Clinical Psychologist Providers in US
56
States with Clinical Psychologist
615
Avg Claims per Provider

Nearby Clinical Psychologist Providers in Virginia

Other clinicians with the same primary specialty enrolled in Virginia, drawn from the same CMS NPPES roster as FITZGERALD.

Compare Clinical Psychologist nationally: see state-by-state distribution →

Frequently Asked Questions

What is KAREN FITZGERALD, PHD's specialty?
KAREN FITZGERALD, PHD specializes in Clinical Psychologist and practices in FAIRFAX, Virginia. Credentials: PHD.
Where is KAREN FITZGERALD, PHD located?
KAREN FITZGERALD, PHD is located at 10721 MAIN ST STE 203, FAIRFAX, VA, 22030. Phone: (702) 831-2040.
What is KAREN FITZGERALD, PHD's NPI number?
KAREN FITZGERALD, PHD's National Provider Identifier (NPI) is 1639239510, issued on 12/11/2006.
How many Clinical Psychologist providers are there in the US?
There are 62,855 Clinical Psychologist providers across 56 states in the US. The average Clinical Psychologist provider writes 615 Medicare Part D claims per year.
Does KAREN FITZGERALD, PHD accept Medicare?
KAREN FITZGERALD, PHD appears in CMS Medicare data. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify KAREN FITZGERALD, PHD's credentials?
KAREN FITZGERALD, PHD's NPI is 1639239510 with credentials PHD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology