MRS. KERRIANNE O'BRIEN BARRETO NP-C
NPI 1124421862
Nurse Practitioner - Acute Care in Worcester, MA

Q: What is Kerrianne Barreto's NPI number?

The NPI number for Kerrianne Barreto is 1124421862. It was assigned to this individual provider in the NPPES registry on October 8, 2014. The provider is also known as Kerrianne O'brien Hanlon Aprn.

Q: What is Kerrianne Barreto's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Kerrianne Barreto was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since October 08, 2014PECOS Enrolled

416 BELMONT ST, WORCESTER, MA 01604(915) 667-2684 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 24, 2025, Mar 5, 2019, Feb 20, 2019 (3 updates tracked since 2019).

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About Mrs. Kerrianne O'brien Barreto Np-c NPPES

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

MRS. KERRIANNE O'BRIEN BARRETO NP-C (NPI 1124421862) is an individual acute care provider in Worcester, Massachusetts, licensed in Massachusetts (RN283028) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1124421862

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMRS. KERRIANNE O'BRIEN BARRETOCredential: NP-C

Location Address416 BELMONT STWorcester, MA 01604

Mailing Address67 Millbrook St Ste 406aWorcester, MA 01606-2845 · (508) 283-4513 · Fax (508) 469-4057

Phone(915) 667-2684

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateOctober 8, 2014

Last NPPES UpdateNovember 24, 20253 updates tracked since enumeration

NPPES CertifiedNovember 24, 2025

✔ NPI 1124421862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in MA · RN283028

416 BELMONT ST, Worcester, MA 01604

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Other Names 1

Former Name (1)Kerrianne O'brien Hanlon Aprn

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Kerrianne O'brien Barreto Np-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476870254

PECOS Enrollment IDI20190301000866

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 9

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

307 services110 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

249 services140 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

205 services95 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

119 services110 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

79 services26 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

34 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01604 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

$90.70 typical visit price

range $58.86 – $177.36

Typical copayment $22.67 (range $14.71 – $44.34)

Most-billed visit code 99203

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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 9

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

KRISTEN M DEROSA NNP-BC, ACNPC-AG

Nurse Practitioner (Acute Care)