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OLLYNE GABBIDON
NPI 1649140823
Nurse Practitioner - Psychiatric/Mental Health in Bethesda, MD

Active since November 11, 2025PECOS Enrolled
6710A ROCKLEDGE DR STE 400, BETHESDA, MD 20817(703) 722-4828(703) 791-1183 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 12, 2026, Nov 11, 2025 (2 updates tracked since 2025).

About Ollyne Gabbidon NPPES

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

OLLYNE GABBIDON (NPI 1649140823) is an individual psychiatric/mental health provider in Bethesda, Maryland, licensed in Maryland (R184823) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1649140823
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameOLLYNE GABBIDON
Location Address6710A ROCKLEDGE DR STE 400Bethesda, MD 20817-2847
Mailing Address42114 Barrymoore PlChantilly, VA 20152-6443 · (703) 722-4828 · Fax (703) 791-1183
Phone(703) 722-4828
Fax(703) 791-1183
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateNovember 11, 2025
Last NPPES UpdateMarch 12, 20262 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1649140823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MD · R184823
6710A ROCKLEDGE DR STE 400, Bethesda, MD 20817
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ollyne Gabbidon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901380203
PECOS Enrollment IDI20260325000532
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 Ollyne Gabbidon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oasis Mental Health Services LLC
24 mi
Psychiatric/Mental Health
42114 BARRYMOORE PL
Chantilly, VA 20152
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 7 clinicians in this Medicare group
NPI 1093406712 (703) 722-4828

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 20817 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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 6

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

COMPASS FORENSIC ASSESSMENTS AND TREATMENT, LLC
Counselor (Mental Health)
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (240) 630-4048
ABIDEMI O SIYANBADE CRNP, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (678) 687-2580
MRS. KEISHA M WATSON MS, LCPC, NCC
Counselor (Professional)
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (240) 255-3295
BAILAH HOMECARE LLC
Nursing Care
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (301) 642-0900
BRIGHT JOURNEY COUNSELING, LLC.
Counselor (Professional)
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (240) 255-3295
MOTHERKIN LLC
Dietitian, Registered (Nutrition, Metabolic)
6710A ROCKLEDGE DR STE 400
BETHESDA, MD 20817
Montgomery County (301) 246-0603

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 Ollyne Gabbidon's NPI number?

The NPI number for Ollyne Gabbidon is 1649140823. It was assigned to this individual provider in the NPPES registry on November 11, 2025.

Where is Ollyne Gabbidon located?

Ollyne Gabbidon practices at 6710A Rockledge Dr Ste 400, Bethesda, MD 20817. The listed phone number is (703) 722-4828.

What is Ollyne Gabbidon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Ollyne Gabbidon enrolled in Medicare?

Yes. Ollyne Gabbidon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ollyne Gabbidon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ollyne Gabbidon reassigns Medicare benefits to Oasis Mental Health Services LLC (Chantilly, 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 Ollyne Gabbidon'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 Ollyne Gabbidon was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.