JILLIAN ELIZABETH CASEY FNP
NPI 1891315081
Nurse Practitioner - Family in Stamford, CT

Active since April 17, 2020PECOS EnrolledAccepts Medicare Assignment
96.78/100
CMS Quality Rating
1 HOSPITAL PLZ, STAMFORD, CT 06902(203) 276-1000(203) 276-4022 Get Directions Write a Review

NPPES record last updated: March 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 23, 2020, Apr 17, 2020 (2 updates tracked since 2020).

About Jillian Elizabeth Casey Fnp NPPES

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

JILLIAN ELIZABETH CASEY FNP (NPI 1891315081) is an individual family provider in Stamford, Connecticut, licensed in Connecticut (12776) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1891315081
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJILLIAN ELIZABETH CASEYCredential: FNP
Location Address1 HOSPITAL PLZStamford, CT 06902-3602
Mailing Address1 Hospital PlzStamford, CT 06902-3602 · (203) 276-1000 · Fax (203) 276-4022
Fax(203) 276-4022
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 17, 2020
Last NPPES UpdateMarch 22, 20242 updates tracked since enumeration
NPPES CertifiedMarch 22, 2024
✔ NPI 1891315081 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 CT · 12776✔ Licensed in NY · F345682
1 HOSPITAL PLZ, Stamford, CT 06902

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

Jillian Elizabeth Casey Fnp 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 ID244642478
PECOS Enrollment IDI20240306000762
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 Jillian Casey reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
Internal Medicine
1275 YORK AVE
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 315 clinicians in this Medicare group
Neurology
1275 YORK AVE
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • 191 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
127 services70 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
126 services65 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
74 services68 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
58 services42 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
47 services42 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06902 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.8
Improvement Activities40

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.

Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant (Surgical)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Obstetrics & Gynecology
1 HOSPITAL PLZ
STAMFORD, CT 06902
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902
Hospitalist
1 HOSPITAL PLZ
STAMFORD, CT 06902
Physician Assistant
1 HOSPITAL PLZ
STAMFORD, CT 06902
Nurse Practitioner (Family)
1 HOSPITAL PLZ
STAMFORD, CT 06902

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 Casey's NPI number?

The NPI number for Jillian Casey is 1891315081. It was assigned to this individual provider in the NPPES registry on April 17, 2020.

Where is Jillian Casey located?

Jillian Casey practices at 1 Hospital Plz, Stamford, CT 06902. The listed phone number is (203) 276-1000.

What is Jillian Casey's specialty?

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

Is Jillian Casey enrolled in Medicare?

Yes. Jillian Casey 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 Jillian Casey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Casey reassigns Medicare benefits to 3 organizations: Stamford Health Medical Group Inc (Stamford, CT), Memorial Medical Consultation Group (New York, NY) and Memorial Neurology Group (New York, NY). 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 Jillian Casey'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 Jillian Casey was last updated on March 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.