RACHEL ELIZABETH MODARELLI MD
NPI 1962963058
Pediatrics - Pediatric Endocrinology in Fairfax, VA

Active since March 29, 2019PECOS Enrolled
8280 WILLOW OAKS CORPORATE DR STE 300, FAIRFAX, VA 22031(571) 472-4300(571) 665-6771 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 5, 2026, Apr 17, 2026 (2 updates tracked since 2026).

About Rachel Elizabeth Modarelli Md NPPES

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

RACHEL ELIZABETH MODARELLI MD (NPI 1962963058) is an individual pediatric endocrinology provider in Fairfax, Virginia, licensed in Virginia (0101285263) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2019).

NPPES Registry Identity

NPI1962963058
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameRACHEL ELIZABETH MODARELLICredential: MD
Location Address8280 WILLOW OAKS CORPORATE DR STE 300Fairfax, VA 22031-4526
Mailing AddressPo Box 37174Baltimore, MD 21297-3174 · (571) 423-5699 · Fax (571) 423-5698
Fax(571) 665-6771
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2019
Enumeration DateMarch 29, 2019
Last NPPES UpdateMay 5, 20262 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1962963058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in VA · 0101285263
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License 0101285263 (VA)
8280 WILLOW OAKS CORPORATE DR STE 300, Fairfax, VA 22031

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rachel Elizabeth Modarelli Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860995396
PECOS Enrollment IDI20251002000137
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 Rachel Modarelli 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 and Virginia enrollments
  • Also billed through NPI 1588717755 (Virginia)
  • 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 22031 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse (Diabetes Educator)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Otolaryngology (Pediatric Otolaryngology)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Psychologist
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Registered Nurse
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics (Pediatric Cardiology)
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Pediatrics
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Speech-Language Pathologist
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031
Dietitian, Registered
8280 WILLOW OAKS CORPORATE DR STE 300
FAIRFAX, VA 22031

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 Rachel Modarelli's NPI number?

The NPI number for Rachel Modarelli is 1962963058. It was assigned to this individual provider in the NPPES registry on March 29, 2019.

Where is Rachel Modarelli located?

Rachel Modarelli practices at 8280 Willow Oaks Corporate Dr Ste 300, Fairfax, VA 22031. The listed phone number is (571) 472-4300.

What is Rachel Modarelli's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Rachel Modarelli enrolled in Medicare?

Yes. Rachel Modarelli is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rachel Modarelli's services?

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

What insurance does Rachel Modarelli accept?

Health plans from Oscar Health list Rachel Modarelli 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 Rachel Modarelli was last updated on May 5, 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.