Registry data as of Aug 27, 2026

Carrie Guilfoyle, ANP-C

Primary Care Nurse Practitioner · Laytonville, CA

Carrie Guilfoyle, ANP-C is a primary care nurse practitioner with a practice address in Laytonville, California, and NPI 1700316601, issued on Jun 14, 2017. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1700316601
Name
Carrie Guilfoyle
Credential
ANP-C
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
AG02170177 MD
Self-reported in NPPES; status is on the state search
Practice location
50 Branscomb Road, Laytonville, CA 95454
Phone
(707) 984-6131
Enumerated
Jun 14, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 50 Branscomb Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Bertolli, M.D.Family Medicine Physician1811089717
  2. Candy Muzio, NCAC II, CADC IICounselor1871904375
  3. Marlin Press, L. AC.Acupuncturist1417060187

Verify Carrie Guilfoyle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

2.8 times the Medicare Part D claims of the average primary care nurse practitioner in 2024

4,102 Medicare Part D claims for 462 beneficiaries, against an average of 1,471 among the 5,882 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 501 claims were for opioids.

  1. Carrie Guilfoyle4,102
  2. Specialty average1,471

Most prescribed

  1. Hydrocodone-Acetaminophen259 claims
  2. Gabapentin168 claims
  3. Levothyroxine Sodium156 claims
  4. Atorvastatin Calcium155 claims
  5. Omeprazole93 claims
  6. Lisinopril84 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 73.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.9
  2. Costout of 100 · 30%36.9
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $250.39

10 payments, mostly food and beverage; the largest payer was Indivior Inc.. The 4,250 providers of this specialty with any payment received $627.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carrie Guilfoyle$250.39
  2. Specialty average$627.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Hill Country Community ClinicRound Mountain, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1 primary care nurse practitioner records list a Laytonville practice address

They are 1 of the 19 NPPES records with a Laytonville practice address, and 1,015 primary care nurse practitioner records in California.

Other primary care nurse practitioner records in California

  1. Pernian AbadiBakersfield, CA1801760814
  2. Ann AbrahamLong Beach, CA1447795182
  3. Angelica Acevedo, FNPParlier, CA1902239668
  4. Natalie Adame, PNPOrange, CA1750993622
  5. Pratikshya Adhikari, MSN, APRN, FNP-BCSacramento, CA1083118970
  6. Nicole Adona, DNP, FNP-C, CPNPSan Diego, CA1023784881
  7. Anita Adorador, FNPRedlands, CA1780654624
  8. Warrick Africa, NPMountain View, CA1902413404
  9. Jessica Aguilar, NURSE PRACTITIONERLos Angeles, CA1508330390
  10. Gifty Aidoo, NPModesto, CA1376883256

Common questions

What is Carrie Guilfoyle, ANP-C's NPI number?

Carrie Guilfoyle, ANP-C's National Provider Identifier (NPI) is 1700316601, issued on Jun 14, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Carrie Guilfoyle, ANP-C located?

The NPPES record lists a practice address at 50 Branscomb Road, Laytonville, CA, 95454. Phone: (707) 984-6131. Providers update this record themselves, so call before visiting.

How can I verify Carrie Guilfoyle, ANP-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Carrie Guilfoyle, ANP-C prescribe under Medicare Part D?

In 2024, Carrie Guilfoyle, ANP-C had 4,102 Medicare Part D claims for 462 beneficiaries; the average among primary care nurse practitioner prescribers was 1,471. Part D covers Medicare prescriptions only.

What is Carrie Guilfoyle, ANP-C's Medicare quality score?

The 2023 MIPS final score is 73.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.