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GABRIELLE DORN MSN, FNP-C
NPI 1487120358
Nurse Practitioner - Family in Rockville, MD

Active since October 18, 2018PECOS EnrolledAccepts Medicare Assignment
1 RESEARCH CT STE 450, ROCKVILLE, MD 20850(888) 803-3370(888) 803-3331 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 22, 2026, Jun 28, 2024, Oct 29, 2020 and 2 more (5 updates tracked since 2018).

About Gabrielle Dorn Msn, Fnp-c NPPES

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

GABRIELLE DORN MSN, FNP-C (NPI 1487120358) is an individual family provider in Rockville, Maryland, licensed in New York (830829) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1487120358
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGABRIELLE DORNCredential: MSN, FNP-C
Location Address1 RESEARCH CT STE 450Rockville, MD 20850-6252
Mailing Address426 Jennelle RdChristiansburg, VA 24073-7906 · (540) 750-5308
Phone(888) 803-3370
Fax(888) 803-3331
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateOctober 18, 2018
Last NPPES UpdateApril 22, 20265 updates tracked since enumeration
NPPES CertifiedApril 22, 2026
✔ NPI 1487120358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in NY · 830829✔ Licensed in OR · 201910216NP-PP✔ Licensed in VA · 0024193584✔ Licensed in MD · R201501
1 RESEARCH CT STE 450, Rockville, MD 20850
Open in Google Maps ↗

Secondary Practice Locations 2

Location 165 W 36th St Fl 11 Office 11-05New York, NY 10018-7936 · Phone (888) 803-3370 · Fax (888) 803-3331
Location 22175 NW Raleigh St Ste 110Portland, OR 97210-2392 · Phone (217) 511-0972 · Fax (888) 803-3331

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

Gabrielle Dorn Msn, Fnp-c 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 ID9537406301
PECOS Enrollment IDI20251008000894
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

3

Medicare enrollment records show Gabrielle Dorn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Circle Medical Care Of New York PC
201 mi
Family Medicine
156 WILLIAM ST RM 303
New York, NY 10038
  • Reassigned Medicare billing, New York enrollment
  • 87 clinicians in this Medicare group
NPI 1780425447 (855) 487-8497
Circle Medical Care Group PA
826 mi
Family Medicine
400 N TAMPA ST FL 15
Tampa, FL 33602
  • Reassigned Medicare billing, District of Columbia enrollment
  • 54 clinicians in this Medicare group
NPI 1972358760 (888) 803-3370
Timothy J Gray Do LLC
2,362 mi
Family Medicine
1909 MOUNTAIN VIEW LN, #200
Forest Grove, OR 97116
  • Reassigned Medicare billing, Oregon enrollment
  • 12 clinicians in this Medicare group
NPI 1477518694 (503) 359-4773

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 20850 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 20

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

GARCIA THERAPY SERVICES, LLC
Community/Behavioral Health
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (800) 790-8081
DR. HEATHER ROSE LOFFREDO PSYD
Psychologist (Clinical Child & Adolescent)
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (240) 403-4040
DOMENICA CARRESE
Marriage & Family Therapist
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (240) 215-3517
MR. LARRY C TROWER LMSW, ED.D
Social Worker (Clinical)
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (301) 441-3772
INFINITELY CONSULTING
Case Management
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (240) 316-3957
CUMMINGS ENTERPRISES LLC
Home Health
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (703) 955-2143
GUSSIE A ASSAM FNP-C
Nurse Practitioner (Family)
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (888) 803-3370
CUMMINGS ENTERPRISES LLC
Home Health
1 RESEARCH CT STE 450
ROCKVILLE, MD 20850
Montgomery County (703) 955-2143

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 Gabrielle Dorn's NPI number?

The NPI number for Gabrielle Dorn is 1487120358. It was assigned to this individual provider in the NPPES registry on October 18, 2018.

Where is Gabrielle Dorn located?

Gabrielle Dorn practices at 1 Research Ct Ste 450, Rockville, MD 20850. The listed phone number is (888) 803-3370.

What is Gabrielle Dorn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Gabrielle Dorn enrolled in Medicare?

Yes. Gabrielle Dorn 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 organizations bill Medicare for Gabrielle Dorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabrielle Dorn reassigns Medicare benefits to 3 organizations: Circle Medical Care Of New York PC (New York, NY), Circle Medical Care Group PA (Tampa, FL) and Timothy J Gray Do LLC (Forest Grove, OR). 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 Gabrielle Dorn'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 Gabrielle Dorn was last updated on April 22, 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.