1. Home
  2. Directory
  3. Connecticut
  4. Fairfield
  5. Nurse Practitioner
  6. NPI Profile

MS. JILLIAN KATHLEEN ROSS A.P.R.N.
NPI 1427337666
Nurse Practitioner - Family in Fairfield, CT

Active since August 05, 2011PECOS EnrolledAccepts Medicare Assignment
55 WALLS DR., SUITE 405, FAIRFIELD, CT 06825(203) 259-7070(203) 254-7402 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Apr 23, 2018, Jun 7, 2017 (3 updates tracked since 2017).

About Ms. Jillian Kathleen Ross A.p.r.n. NPPES

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

MS. JILLIAN KATHLEEN ROSS A.P.R.N. (NPI 1427337666) is an individual family provider in Fairfield, Connecticut, licensed in Connecticut (004688) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1427337666
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. JILLIAN KATHLEEN ROSSCredential: A.P.R.N.
Location Address55 WALLS DR., SUITE 405Fairfield, CT 06825-5163
Mailing Address1224 Mill St, Ste 224East Berlin, CT 06023-1159 · (480) 862-1700 · Fax (480) 718-7643
Phone(203) 259-7070
Fax(203) 254-7402
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateAugust 5, 2011
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1427337666 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
License✔ Licensed in CT · 004688
55 WALLS DR., SUITE 405, Fairfield, CT 06825
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Ms. Jillian Kathleen Ross A.p.r.n. 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 ID4587836820
PECOS Enrollment IDI20111011000483
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 Jillian Ross reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy And Asthma Care Of Fairfield County, LLC
Same address
Allergy & Immunology
55 WALLS DR, STE 405
Fairfield, CT 06824
  • Reassigned Medicare billing, Connecticut enrollment
  • 4 clinicians in this Medicare group
NPI 1710098645 (203) 259-7070

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 06825 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

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 Jillian Ross's NPI number?

The NPI number for Jillian Ross is 1427337666. It was assigned to this individual provider in the NPPES registry on August 5, 2011.

Where is Jillian Ross located?

Jillian Ross practices at 55 Walls Dr., Suite 405, Fairfield, CT 06825. The listed phone number is (203) 259-7070.

What is Jillian Ross's specialty?

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

Is Jillian Ross enrolled in Medicare?

Yes. Jillian Ross 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 Jillian Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Ross reassigns Medicare benefits to Allergy And Asthma Care Of Fairfield County, LLC (Fairfield, CT). 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 Jillian Ross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jillian Ross accept?

Health plans from Anthem Blue Cross and Blue Shield list Jillian Ross 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 Jillian Ross was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.