OTILIA NEACSU M.D.
NPI 1871755348
Pediatrics - Pediatric Endocrinology in Fairfax, VA

Q: What is Otilia Neacsu's NPI number?

The NPI number for Otilia Neacsu is 1871755348. It was assigned to this individual provider in the NPPES registry on June 26, 2008. The provider is also known as Otilia Balint.

Q: What is Otilia Neacsu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Otilia Neacsu was last updated on April 6, 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.

Active since June 26, 2008PECOS Enrolled

8280 WILLOW OAKS CORPORATE DR, SUITE 300, FAIRFAX, VA 22031(571) 472-4300(703) 970-6599 Get Directions Write a Review

NPPES record last updated: April 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Otilia Neacsu M.d. NPPES

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

OTILIA NEACSU M.D. (NPI 1871755348) is an individual pediatric endocrinology provider in Fairfax, Virginia, licensed in Virginia (0101250129) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871755348

Entity TypeIndividualFemale

Primary Taxonomy2080P0205X

Provider Legal NameOTILIA NEACSUCredential: M.D.

Location Address8280 WILLOW OAKS CORPORATE DR, SUITE 300Fairfax, VA 22031

Mailing Address8280 Willow Oaks Corporate Dr, Suite 300Fairfax, VA 22031 · (571) 472-4300 · Fax (703) 970-6599

Phone(571) 472-4300

Fax(703) 970-6599

Sole ProprietorNo

Enumeration DateJune 26, 2008

Last NPPES UpdateApril 6, 2023

NPPES CertifiedApril 6, 2023

✔ NPI 1871755348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0205X

License✔ Licensed in VA · 0101250129

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.

8280 WILLOW OAKS CORPORATE DR, Fairfax, VA 22031

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Other Names 1

Former Name (1)Otilia Balint

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Otilia Neacsu M.d. 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 Reassignments

Medicare enrollment records show Otilia Neacsu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inova Health Care Services

0.4 mi

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

NPI 1952320061 (703) 321-2627

Pediatric Specialists Of Virginia, LLC

0.5 mi

Pediatrics

3023 HAMAKER CT, SUITE 200
Fairfax, VA 22031

Reassigned Medicare billing, District of Columbia enrollment
128 clinicians in this Medicare group

NPI 1699119818 (703) 848-6627

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.

TYLER KING

Behavior Technician

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (202) 794-7159

AMIR NEZAM-SHAHIDI

Behavior Technician

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (888) 922-2843

ALEXANDRA DANIEL LPC

Counselor (Professional)

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (415) 424-4266

TRANSITIONS...THE PROCESS OF CHANGE

Social Worker (Clinical)

8280 WILLOW OAKS CORPORATE DR, SUITE 600
FAIRFAX, VA 22031

Fairfax County (703) 862-3762

ARKLYN GROUP

Home Health

8280 WILLOW OAKS CORPORATE DR, SUITE 600
FAIRFAX, VA 22031

Fairfax County (571) 422-6303

MRS. AKILAH RENEE MIKEL MURRAY MSN, RN, FNP

Nurse Practitioner (Family)

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (571) 472-4300

MINA KIM

Psychologist

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (571) 472-4300

CAROLINE REBECCA ALPHONSO

Home Health Aide

8280 WILLOW OAKS CORPORATE DR
FAIRFAX, VA 22031

Fairfax County (203) 788-7864

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 Otilia Neacsu's NPI number?

The NPI number for Otilia Neacsu is 1871755348. It was assigned to this individual provider in the NPPES registry on June 26, 2008. The provider is also known as Otilia Balint.

Where is Otilia Neacsu located?

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

What is Otilia Neacsu's specialty?

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

Is Otilia Neacsu enrolled in Medicare?

Yes. Otilia Neacsu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Otilia Neacsu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Otilia Neacsu reassigns Medicare benefits to 2 organizations: Inova Health Care Services (Falls Church, VA) and Pediatric Specialists Of Virginia, LLC (Fairfax, VA). Each 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 Otilia Neacsu'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 Otilia Neacsu was last updated on April 6, 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.