MARGARET L. DUVALL PHD
NPI 1902990369
Psychologist - Clinical in Richmond, VA

Q: What is Margaret Duvall's NPI number?

The NPI number for Margaret Duvall is 1902990369. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Q: What is Margaret Duvall's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Duvall was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment

413 STUART CIR UNIT 312, RICHMOND, VA 23220(804) 840-3592 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 23, 2026, Dec 12, 2025 (2 updates tracked since 2025).

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About Margaret L. Duvall Phd NPPES

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

MARGARET L. DUVALL PHD (NPI 1902990369) is an individual clinical provider in Richmond, Virginia, licensed in Virginia (0810001268) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1902990369

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameMARGARET L. DUVALLCredential: PHD

Location Address413 STUART CIR UNIT 312Richmond, VA 23220-3754

Mailing Address413 Stuart Cir Unit 312Richmond, VA 23220-3754 · (804) 840-3592

Phone(804) 840-3592

Sole ProprietorYes

Medical School CMSOtherGraduated 1983

Enumeration DateOctober 2, 2006

Last NPPES UpdateJanuary 23, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 23, 2026

✔ NPI 1902990369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in VA · 0810001268

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

413 STUART CIR UNIT 312, Richmond, VA 23220

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret L. Duvall Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668409772

PECOS Enrollment IDI20050720000717

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23220 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

$170.30 typical visit price

range $56.19 – $170.30

Typical copayment $42.57 (range $14.04 – $42.57)

Most-billed visit code 99205

Established Patient

$99.13 typical visit price

range $18.07 – $138.91

Typical copayment $24.78 (range $4.51 – $34.72)

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.

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 Margaret Duvall's NPI number?

The NPI number for Margaret Duvall is 1902990369. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Margaret Duvall located?

Margaret Duvall practices at 413 Stuart Cir Unit 312, Richmond, VA 23220. The listed phone number is (804) 840-3592.

What is Margaret Duvall's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Margaret Duvall enrolled in Medicare?

Yes. Margaret Duvall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Margaret Duvall was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.