Nayabei Barretto, NP

  • Willits, CA
  • Nurse practitioner
NPI1407145477PAC ID3971806001
Medicare services, 2024
32
Medicare patients, 2024
14
Part D claims, 2024
20
Hospital affiliations
1
Industry payments
$348
Practice address
1 Marcela Dr, Willits, CA 95490
Practice phone
Call (707) 456-3031
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health Howard Memorial

Hospital · Willits, California

See all 2 affiliations

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Nayabei Barretto is a nurse practitioner in Willits, California

Nayabei Barretto practices at Adventist Health Howard Memorial in Willits, California, part of Adventist Health.

Nayabei Barretto's NPI, 1407145477, was assigned on March 30, 2011. Nayabei Barretto holds California license 95002779.

NPI and contact details
Medicare PAC ID
3971806001
NPI enumeration date
March 30, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 456-3031
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
37
Medical school graduation
2015

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

Nayabei Barretto practices at Adventist Health Howard Memorial in Willits, California

Nayabei Barretto's primary practice is Adventist Health Howard Memorial, at 1 Marcela Dr, Willits, CA 95490 in Mendocino County. The practice phone is (707) 456-3031.

Source: Dmand AI Affiliation Data

Nayabei Barretto is affiliated with 2 sites of care

Nayabei Barretto's primary practice is Adventist Health Howard Memorial in Willits, California, part of Adventist Health. Dmand AI also links Nayabei Barretto to 1 physician office, named with a free account.

See all 2 affiliations for Nayabei Barretto

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

Dmand AI tracks the EHR system at Nayabei Barretto's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nayabei Barretto practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Adventist Health Howard MemorialAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.

Nayabei Barretto is one of 5,983 nurse practitioners in California

Nurse practitioner is Nayabei Barretto's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Nayabei Barretto is board certified in advanced diabetes management certification by the American Association of Diabetes Educators. Nayabei Barretto is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 95002779 · taxonomy 363L00000X

Clinical focus

Dmand AI lists chronic diabetes, diabetic emergency and high cholesterol among the conditions Nayabei Barretto treats.

Nurse practitioners near Nayabei Barretto

Counts of 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

Nayabei Barretto billed Medicare for 32 services in 2024

CMS data shows 32 Medicare services from Nayabei Barretto across 1 procedure code in 2024, all of them office visits, for 14 Medicare patients. Medicare paid $3,016 for them. Every service was in an office.

Medicare services, 202432
Medicare patients14
Paid by Medicare$3,016
Procedure codes1

Nayabei Barretto compared with the California median for nurse practitioners, 2024

  • Nayabei Barretto
  • California median
Medicare services
32vs 27989% below
Medicare patients
14vs 9285% below

Medians across 3,047 nurse practitioners in California with Dmand AI profiles that report each measure.

Nayabei Barretto's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Nayabei Barretto

Need commercial claims for Nayabei Barretto?

Medicare shows one payer. Book a meeting to get commercial claims data for Nayabei Barretto and other nurse practitioners in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Nayabei Barretto treated 14 Medicare patients in 2024, average age 74

CMS counts 14 Medicare patients who saw Nayabei Barretto in 2024. The largest group is under 65, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.73, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Nayabei Barretto's median patient age at 74, with 58% women.

Medicare patients, 202414
Average age74
Average risk score0.73

Nayabei Barretto's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Nayabei Barretto's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Nayabei Barretto's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Nayabei Barretto wrote 20 Medicare Part D claims in 2024

In 2024, Nayabei Barretto wrote 20 Medicare Part D claims. 55% of them were for generic drugs.

Part D claims, 202420

Nayabei Barretto's Part D claims by kind of drug, 2024

  • Generic11 claims55%
  • Brand-name and other9 claims45%

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

How Nayabei Barretto takes part in Medicare

Nayabei Barretto 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)

For MedTech and pharma teams

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Nayabei Barretto received $348 in industry payments from 2024 to 2025

CMS Open Payments shows 10 general payments to Nayabei Barretto from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $159.

General payments to Nayabei Barretto by program year, 2024 to 2025

Companies that paid Nayabei Barretto the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Nayabei Barretto

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Nayabei Barretto has 2 awards and honors on record

Dmand AI lists 2 awards for Nayabei Barretto, most recently Henrik L. Blum Award for Distinguished Social Action in 2010.

Awards and honors for Nayabei Barretto

  1. 2010
    • Henrik L. Blum Award for Distinguished Social Action
  2. 2005
    • Hunthausen Outstanding Collegiate Citizenship Award

Source: Dmand AI Professional Profile Data

Nayabei Barretto is board certified in advanced diabetes management certification

Nayabei Barretto is a member of American Association of Diabetes Educators.

  1. Board certified in advanced diabetes management certificationAmerican Association of Diabetes Educators
  2. Board certified in family nurse practitionerAmerican Nurses Credentialing Center

Source: Dmand AI Professional Profile Data

Sources for Nayabei Barretto'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
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 Nayabei Barretto

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

What is Nayabei Barretto's NPI number?

Nayabei Barretto's NPI number is 1407145477. It was assigned on March 30, 2011, and it is active in the NPI Registry.

What does Nayabei Barretto specialize in?

Nayabei Barretto is a nurse practitioner in Willits, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Nayabei Barretto practice?

Nayabei Barretto practices at 1 Marcela Dr, Willits, CA 95490. Nayabei Barretto's primary practice is Adventist Health Howard Memorial in Willits, California, part of Adventist Health. Dmand AI also links Nayabei Barretto to 1 physician office.

What is Nayabei Barretto's office phone number?

The practice phone on file for Nayabei Barretto is (707) 456-3031.

What is Nayabei Barretto's medical license number?

Nayabei Barretto holds California license 95002779.

Which hospitals is Nayabei Barretto affiliated with?

Nayabei Barretto practices at Adventist Health Howard Memorial in Willits, California.

Does Nayabei Barretto accept Medicare?

Yes. CMS data shows Nayabei Barretto billed Medicare for 32 services in 2024, and Nayabei Barretto accepts Medicare assignment.

How many Medicare patients does Nayabei Barretto see?

CMS counts 14 Medicare patients who saw Nayabei Barretto in 2024, with an average age of 74.

Is Nayabei Barretto board certified?

Yes. Nayabei Barretto is board certified in advanced diabetes management certification by the American Association of Diabetes Educators.

What services does Nayabei Barretto bill to Medicare?

In 2024, Nayabei Barretto's most billed Medicare services were office visit, established patient (99214).

Has Nayabei Barretto received payments from drug or device companies?

CMS Open Payments shows $348 in general payments to Nayabei Barretto from 5 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.

How long has Nayabei Barretto been practicing?

Nayabei Barretto graduated from medical school in 2015, 11 years ago.

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