NPPES file of Aug 9, 2026

Heather A. Sayer, FNP

Family Nurse Practitioner · Prescott, AZ

Heather A. Sayer, FNP is a family nurse practitioner with a practice address in Prescott, Arizona, and NPI 1427753300, issued on Mar 31, 2023. Check the license (Arizona 288645, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427753300
Name
Heather A. Sayer
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
288645 AZ
Self-reported in NPPES; status is on the state search
Practice location
1050 Gail Gardner Way Ste 300, Prescott, AZ 86305
Phone
(928) 717-5232
Enumerated
Mar 31, 2023
Record last updated
Jun 25, 2026
Fax
(928) 717-5238
Medicare enrollment
Enrolled (PECOS I20230530001773); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1050 Gail Gardner Way Ste 300

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

  1. Karen Box, MDEndocrinology, Diabetes & Metabolism Physician1386693992
  2. Jean Colella, ANPAdult Health Nurse Practitioner1902803208
  3. Amy Kallio, PAPhysician Assistant1235225954
  4. Michael Lacaze, DOFamily Medicine Physician1003161035
  5. Michelangelo Reyes, MDEndocrinology, Diabetes & Metabolism Physician1437721537
  6. Nancy Rosales, APRN, MSN, FNPFamily Nurse Practitioner1013195171

Verify Heather A. Sayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 288645
    Check 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 Arizona 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.

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

3,612 Medicare Part D claims for 653 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 116 claims were for opioids.

  1. Heather Sayer3,612
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium235 claims
  2. Atorvastatin Calcium208 claims
  3. Amlodipine Besylate147 claims
  4. Rosuvastatin Calcium118 claims
  5. Losartan Potassium116 claims
  6. Lisinopril110 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.

Bills Medicare through one group practice

  1. Yavapai Regional Medical Center Physician Care LLCPrescott, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Heather A. Sayer among 5,933 family nurse practitioner records in Arizona

Heather A. Sayer, FNP is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 79% of them.

  • NPI issued2023 · 79% of these records are older, 14% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2019 among the 3,510 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

99 family nurse practitioner records list a practice address in Prescott

They are 99 of the 1,818 NPPES records with a practice address in Prescott, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Brenda Austin, NP-CPrescott, AZ 863051013959964
  2. Judy Bandy, FNPPrescott, AZ 863051922022086
  3. Diane Barrera, NPPrescott, AZ 863051689097792
  4. Janis Bowers, N.P.Prescott, AZ 863051649277922
  5. Thomas Gann, N.P.Prescott, AZ 863051073866406
  6. Debra Krupnick, FNPPrescott, AZ 863051568412781
  7. Debra Lessner, FNPPrescott, AZ 863051104153816
  8. Eileen Mahler, FNPPrescott, AZ 863051922438563

Common questions

What is Heather A. Sayer, FNP's NPI number?

Heather A. Sayer, FNP's National Provider Identifier (NPI) is 1427753300, issued on Mar 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Heather A. Sayer, FNP located?

The NPPES record lists a practice address at 1050 Gail Gardner Way Ste 300, Prescott, AZ, 86305. Phone: (928) 717-5232. Providers update this record themselves, so call before visiting.

How can I verify Heather A. Sayer, FNP's license?

NPPES lists Arizona license number 288645, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Heather A. Sayer, FNP prescribe under Medicare Part D?

In 2024, Heather A. Sayer, FNP had 3,612 Medicare Part D claims for 653 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.