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MARY TATUM CHAPPELL PH.D.
NPI 1831661727
Psychologist - Clinical in Bethesda, MD

Active since December 18, 2018PECOS Enrolled
2 WISCONSIN CIR STE 700, BETHESDA, MD 20815(844) 942-1789 Get Directions Write a Review

NPPES record last updated: January 3, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2023, Dec 18, 2018 (2 updates tracked since 2018).

About Mary Tatum Chappell Ph.d. NPPES

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

MARY TATUM CHAPPELL PH.D. (NPI 1831661727) is an individual clinical provider in Bethesda, Maryland, licensed in District Of Columbia (PSY1001341) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1831661727
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameMARY TATUM CHAPPELLCredential: PH.D.
Location Address2 WISCONSIN CIR STE 700Bethesda, MD 20815-7007
Mailing Address2 Wisconsin Cir Ste 700Bethesda, MD 20815-7007 · (844) 942-1789
Phone(844) 942-1789
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateDecember 18, 2018
Last NPPES UpdateJanuary 3, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2023
✔ NPI 1831661727 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 DC · PSY1001341
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.
2 WISCONSIN CIR STE 700, Bethesda, MD 20815
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Tatum Chappell Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466826623
PECOS Enrollment IDI20260120003796
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 Mary Chappell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sailor Health Medical PA
930 mi
Psychologist
2332 GALIANO ST FL 2
Coral Gables, FL 33134
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 38 clinicians in this Medicare group
NPI 1841012960 (786) 269-0333

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 20815 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
$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.

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.

TAYLOR MCLEOD
Behavior Technician
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (240) 923-4944
SARA D MURRAY RD
Dietitian, Registered
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (202) 365-3582
DUANE THOAMS
Behavior Technician
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (240) 923-4944
DR. DEBORAH ANN CURRY PSY.D.
Psychologist
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (202) 281-0836
CURREN TRUSTY LGPC
Counselor (Professional)
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (443) 351-7580
METRO DIRECT CARE MEDICAL, LLC
Clinic/Center
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (202) 368-6820
DR. SUZAN SONG MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (202) 681-7665
ARMIN AFLAKI
Health Educator
2 WISCONSIN CIR STE 700
CHEVY CHASE, MD 20815
Montgomery County (844) 942-1789

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 Mary Chappell's NPI number?

The NPI number for Mary Chappell is 1831661727. It was assigned to this individual provider in the NPPES registry on December 18, 2018.

Where is Mary Chappell located?

Mary Chappell practices at 2 Wisconsin Cir Ste 700, Bethesda, MD 20815. The listed phone number is (844) 942-1789.

What is Mary Chappell's specialty?

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

Is Mary Chappell enrolled in Medicare?

Yes. Mary Chappell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Chappell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Chappell reassigns Medicare benefits to Sailor Health Medical PA (Coral Gables, FL). 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 Mary Chappell'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 Mary Chappell was last updated on January 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.