Kerrianne O'Brien Barreto, NPC

  • Worcester, MA
  • Acute care nurse practitioner
NPI1124421862PAC ID3476870254
Medicare patients, 2024
185
Part D claims, 2024
1,155
Affiliated sites
3
Medical groups
2
State license
1
Practice address
629 Salisbury Street, Worcester, MA 01609
Practice phone
Call (508) 798-8653
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Jewish Healthcare Center

Skilled Nursing Facility · Worcester, Massachusetts

See all 5 affiliations

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Kerrianne O'Brien Barreto is an acute care nurse practitioner in Worcester, Massachusetts

Kerrianne Barreto practices at Jewish Healthcare Center in Worcester, Massachusetts.

Kerrianne Barreto's NPI, 1124421862, was assigned on October 8, 2014. Kerrianne Barreto holds Massachusetts license RN283028.

NPI and contact details
Medicare PAC ID
3476870254
NPI enumeration date
October 8, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(508) 798-8653
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Kerrianne O'Brien Barreto practices at Jewish Healthcare Center in Worcester, Massachusetts

Kerrianne Barreto's primary practice is Jewish Healthcare Center, at 629 Salisbury Street, Worcester, MA 01609 in Worcester County. The practice phone is (508) 798-8653.

  • Jewish Healthcare Center
    629 Salisbury Street, Worcester, MA 01609 · Worcester CountyPhone(508) 798-8653

Source: Dmand AI Affiliation Data

Kerrianne O'Brien Barreto is affiliated with 3 sites of care and 2 medical groups

Kerrianne Barreto's primary practice is Jewish Healthcare Center in Worcester, Massachusetts. The medical group on file is Worcester Internal Medicine. Dmand AI also links Kerrianne Barreto to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Kerrianne Barreto

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Kerrianne O'Brien Barreto's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Kerrianne Barreto practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jewish Healthcare CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Kerrianne O'Brien Barreto is one of 445 acute care nurse practitioners in Massachusetts

Acute care is Kerrianne Barreto's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Kerrianne Barreto is licensed in Massachusetts.

Specialties and state licenses

  • Acute care nurse practitioner, MassachusettsPrimaryLicense RN283028 · taxonomy 363LA2100X

Acute care nurse practitioners near Kerrianne Barreto

Counts of acute care nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Kerrianne O'Brien Barreto treated 185 Medicare patients in 2024, average age 83

CMS counts 185 Medicare patients who saw Kerrianne Barreto in 2024. The largest group is 85 and over, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Kerrianne Barreto's median patient age at 85, with 78% women.

Medicare patients, 2024185
Average age83
Average risk score2.08
Also on Medicaid26%

Kerrianne Barreto's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Kerrianne Barreto's Medicare patients by sex, 2024

  • Women12065%
  • Men6535%

Chronic conditions among Kerrianne Barreto's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Mood disorders54%
  5. Anxiety50%
  6. Depression49%
  7. Chronic kidney disease47%
  8. Ischemic heart disease47%

Share of Medicare patients with each condition. A patient can have several.

Kerrianne Barreto's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 85

Patient panel by sex, all payers

  • Women78%
  • Men22%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Kerrianne O'Brien Barreto wrote 1,155 Medicare Part D claims in 2024

In 2024, Kerrianne Barreto wrote 1,155 Medicare Part D claims for 133 patients. 91% of them were for generic drugs.

Part D claims, 20241,155
Part D patients133

Kerrianne Barreto's Part D claims by kind of drug, 2024

  • Generic1,052 claims91%
  • Brand-name and other103 claims9%

Drug classes CMS tracks in Kerrianne Barreto's Part D claims, 2024

  • Opioids3%38 of 1,155 claims
  • Antibiotics3%29 of 1,155 claims
  • Antipsychotics, patients 65 and over3%30 of 1,155 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Kerrianne O'Brien Barreto takes part in Medicare

Kerrianne Barreto accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Kerrianne O'Brien Barreto's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Kerrianne O'Brien Barreto

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Kerrianne O'Brien Barreto's NPI number?

Kerrianne O'Brien Barreto's NPI number is 1124421862. It was assigned on October 8, 2014, and it is active in the NPI Registry.

What does Kerrianne O'Brien Barreto specialize in?

Kerrianne O'Brien Barreto is an acute care nurse practitioner in Worcester, Massachusetts. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).

Where does Kerrianne O'Brien Barreto practice?

Kerrianne Barreto practices at 629 Salisbury Street, Worcester, MA 01609. Kerrianne Barreto's primary practice is Jewish Healthcare Center in Worcester, Massachusetts. Dmand AI also links Kerrianne Barreto to 2 group practices and clinics and 1 medical group.

What is Kerrianne O'Brien Barreto's office phone number?

The practice phone on file for Kerrianne Barreto is (508) 798-8653.

What is Kerrianne O'Brien Barreto's medical license number?

Kerrianne Barreto holds Massachusetts license RN283028.

What medical group is Kerrianne O'Brien Barreto part of?

Kerrianne Barreto is linked to Worcester Internal Medicine. Dmand AI links Kerrianne Barreto to 1 more medical group.

Does Kerrianne O'Brien Barreto accept Medicare?

Yes. CMS lists Kerrianne Barreto as accepting Medicare assignment.

How many Medicare patients does Kerrianne O'Brien Barreto see?

CMS counts 185 Medicare patients who saw Kerrianne Barreto in 2024, with an average age of 83.

How long has Kerrianne O'Brien Barreto been practicing?

Kerrianne Barreto graduated from medical school in 2014, 12 years ago.

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