Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SARAH ELIZABETH ITTEILAG AGACNP BC MSN
NPI 1366946956
Nurse Practitioner - Adult Health in West Haven, CT

Q: What is Sarah Elizabeth Itteilag's NPI number?

The NPI number for Sarah Elizabeth Itteilag is 1366946956. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Q: What is Sarah Elizabeth Itteilag's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment

1 CELLINI PL STE 102, WEST HAVEN, CT 06516(203) 932-6481(203) 932-4051 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jul 13, 2026, Apr 13, 2026, Mar 20, 2018 (3 updates tracked since 2018).

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About Sarah Elizabeth Itteilag Agacnp Bc Msn NPPES

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

SARAH ELIZABETH ITTEILAG AGACNP BC MSN (NPI 1366946956) is an individual adult health provider in West Haven, Connecticut, licensed in Connecticut (7503) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1366946956

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameSARAH ELIZABETH ITTEILAGCredential: AGACNP BC MSN

Location Address1 CELLINI PL STE 102West Haven, CT 06516-1666

Mailing Address1 Cellini Pl Ste 102West Haven, CT 06516-1666 · (203) 932-6481 · Fax (203) 932-4051

Phone(203) 932-6481

Fax(203) 932-4051

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateMarch 20, 2018

Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1366946956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CT · 7503

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 7503 (CT)

1 CELLINI PL STE 102, West Haven, CT 06516

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sarah Elizabeth Itteilag Agacnp Bc Msn 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 ID840187225

PECOS Enrollment IDI20180516000497, I20200817000829

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.

Areas of Expertise CMS Part B claims 6

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.

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.

201 services193 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.

142 services105 patients

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.

87 services68 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

46 services45 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

21 services12 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.

20 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Westerly Hospital

Acute Care Hospitals · Westerly, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410013

Location25 Wells StreetWesterly, RI 02891 · Washington County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06516 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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

96%248 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

KATELYN BARON ACNP

Nurse Practitioner (Adult Health)