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REBECCA ANN O'NEILL LGSW
NPI 1821461252
Social Worker - School in Rockville, MD

Active since November 06, 2015PECOS EnrolledAccepts Medicare Assignment
12301 ACADEMY WAY, ROCKVILLE, MD 20852(443) 923-4179 Get Directions Write a Review

NPPES record last updated: November 6, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Rebecca Ann O'neill Lgsw NPPES

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

REBECCA ANN O'NEILL LGSW (NPI 1821461252) is an individual school provider in Rockville, Maryland, licensed in Maryland (19162) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1821461252
Entity TypeIndividualFemale
Primary Taxonomy1041S0200X
Provider Legal NameREBECCA ANN O'NEILLCredential: LGSW
Location Address12301 ACADEMY WAYRockville, MD 20852-2000
Mailing Address12301 Academy WayRockville, MD 20852-2000 · (443) 923-4179
Phone(443) 923-4179
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateNovember 6, 2015
✔ NPI 1821461252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers
Taxonomy Code1041S0200X
License✔ Licensed in MD · 19162
12301 ACADEMY WAY, Rockville, MD 20852
Open in Google Maps ↗

Other Names 1

Former Name (1)Rebecca Ann Baker Lgsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rebecca Ann O'neill Lgsw 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 ID4587198577
PECOS Enrollment IDI20241113003114
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 Rebecca O'neill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Privia Medical Group, LLC
12 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, Maryland enrollment
  • 668 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

SARA DEAN LCSW-C
Social Worker (Clinical)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 761-2822
DR. KRISTEN LEIGH CAPPS UMPHLET PHD
Psychologist (Clinical)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 984-4444
DIANE KING-SHAW PH.D., LCMFT
Marriage & Family Therapist
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 984-4444
MR. ELIJAH HAMILTON HOWARD LPCP
Counselor (Mental Health)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 761-2761
DR. ELIZABETH P PISERCHIA KAPLAN OH.D.
Psychologist (Clinical)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 984-4444
EILEEN BARNETT
Social Worker (Clinical)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 984-4444
PAMELA ONI STEPHEN LCPC, LPC
Counselor (Professional)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (000) 000-0000
JILL BROWN
Social Worker (Clinical)
12301 ACADEMY WAY
ROCKVILLE, MD 20852
Montgomery County (301) 984-4444

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 Rebecca O'neill's NPI number?

The NPI number for Rebecca O'neill is 1821461252. It was assigned to this individual provider in the NPPES registry on November 6, 2015. The provider is also known as Rebecca Ann Baker Lgsw.

Where is Rebecca O'neill located?

Rebecca O'neill practices at 12301 Academy Way, Rockville, MD 20852. The listed phone number is (443) 923-4179.

What is Rebecca O'neill's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

Is Rebecca O'neill enrolled in Medicare?

Yes. Rebecca O'neill 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.

Which organization bills Medicare for Rebecca O'neill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca O'neill reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, 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 Rebecca O'neill'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 Rebecca O'neill was last updated on November 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.