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ALLISON ELIZABETH TWEEDIE MD
NPI 1003041500
Psychiatry & Neurology - Psychiatry in Falls Church, VA

Active since May 28, 2009PECOS Enrolled
3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-4001(703) 776-7113 Get Directions Write a Review

NPPES record last updated: January 24, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Allison Elizabeth Tweedie Md NPPES

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

ALLISON ELIZABETH TWEEDIE MD (NPI 1003041500) is an individual psychiatry provider in Falls Church, Virginia, licensed in Virginia (0101256838) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003041500
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameALLISON ELIZABETH TWEEDIECredential: MD
Location Address3300 GALLOWS RDFalls Church, VA 22042-3307
Mailing Address3300 Gallows RdFalls Church, VA 22042-3307 · (703) 776-4001 · Fax (703) 776-7113
Phone(703) 776-4001
Fax(703) 776-7113
Sole ProprietorNo
Enumeration DateMay 28, 2009
Last NPPES UpdateJanuary 24, 2020
✔ NPI 1003041500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in VA · 0101256838✔ Licensed in PA · MT195449
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License MT195449 (PA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License MT195449 (PA)
3300 GALLOWS RD, Falls Church, VA 22042
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Elizabeth Tweedie 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 Allison Tweedie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Inova Health Care Services
Same address
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia enrollment
  • 282 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.

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
$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
$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.

DR. OLEG DOLGHI M.D
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
MRS. CHERYL ANNE FRASER NP
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4132
MISS CRYSTAL FALKE PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-3281
EMERGENCY MEDICINE ASSOCIATES
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4002
NARGES NAJMYAR PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 970-2670
SARAH MARAKOS DO
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652
KARA STONE YOUNG CRNA
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
RAKSHANA SELVARAJAN DO
Student in an Organized Health Care Education/Training Program
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652

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 Allison Tweedie's NPI number?

The NPI number for Allison Tweedie is 1003041500. It was assigned to this individual provider in the NPPES registry on May 28, 2009.

Where is Allison Tweedie located?

Allison Tweedie practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.

What is Allison Tweedie's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Allison Tweedie enrolled in Medicare?

Yes. Allison Tweedie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Allison Tweedie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Tweedie 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 Allison Tweedie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Tweedie accept?

Health plans from Oscar Health list Allison Tweedie 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.

When was this NPI record last updated?

The NPPES record for Allison Tweedie was last updated on January 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.