NPPES file of Aug 9, 2026

Roberta S. Johnson-Seay, ARNP-C

Nurse Practitioner · Fort Defiance, AZ

Roberta S. Johnson-Seay, ARNP-C is a nurse practitioner with a practice address in Fort Defiance, Arizona, and NPI 1528075066, issued on Aug 1, 2006. Check the license 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
1528075066
Name
Roberta S. Johnson-Seay
Credential
ARNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
5023519 NC
9186976 FL
Self-reported in NPPES; status is on the state search
Practice location
Corner OF Route N12 And N7, Fort Defiance, AZ 86504
Phone
(928) 729-8000
Enumerated
Aug 1, 2006
Record last updated
Nov 19, 2025
Medicaid ID
000670600 FL
Medicare enrollment
Enrolled (PECOS I20260227000356); 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 Corner OF Route N12 And N7

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

  1. Moaz Abulfaraj, MDSurgery Physician1861797193
  2. Walter Adam, MDFamily Medicine Physician1053368860
  3. Margaret Adams, ARNPFamily Nurse Practitioner1427455682
  4. Sandra Adkins, DDSDentist1710918131
  5. Elizabeth Agre, PT, DPTPhysical Therapist1891268280
  6. Mohammad Akhavan Heidari, MDSurgery Physician1205041571

Verify Roberta S. Johnson-Seay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona 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
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13% fewer Medicare Part D claims than the average nurse practitioner in 2024

964 Medicare Part D claims for 106 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Roberta Johnson-Seay964
  2. Specialty average1,109

Most prescribed

  1. Lisinopril88 claims
  2. Atorvastatin Calcium70 claims
  3. Amlodipine Besylate53 claims
  4. Gabapentin48 claims
  5. Single Use Swab43 claims
  6. Losartan Potassium34 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 2 group practices

  1. Fastmed PCBoone, NC
  2. The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ

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

Roberta S. Johnson-Seay among 1,423 nurse practitioner records in Arizona

Roberta S. Johnson-Seay, ARNP-C is one of 1,423 nurse practitioner records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 84% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2002 · median 2019 among the 805 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 nurse practitioner records list a practice address in Fort Defiance

They are 9 of the 590 NPPES records with a practice address in Fort Defiance, and 1,423 nurse practitioner records in Arizona.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jamie AdamsFort Defiance, AZ 865041144007097
  2. Jose Aruiza, NPFort Defiance, AZ 865041174007223
  3. Kathryn Barron, ANPFort Defiance, AZ 865041205081064
  4. Melonie BlancaneauxFort Defiance, AZ 865041285150664
  5. Rosemary Bolza, CNMFort Defiance, AZ 865041023180791
  6. Rhonda Davis-Begay, FNPFort Defiance, AZ 865041669502357
  7. Connie Ebach, NPFort Defiance, AZ 865041053417493
  8. Joan Lanier, APRNFort Defiance, AZ 865041568663540

Common questions

What is Roberta S. Johnson-Seay, ARNP-C's NPI number?

Roberta S. Johnson-Seay, ARNP-C's National Provider Identifier (NPI) is 1528075066, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roberta S. Johnson-Seay, ARNP-C located?

The NPPES record lists a practice address at Corner OF Route N12 And N7, Fort Defiance, AZ, 86504. Phone: (928) 729-8000. Providers update this record themselves, so call before visiting.

How can I verify Roberta S. Johnson-Seay, ARNP-C's license?

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

How much does Roberta S. Johnson-Seay, ARNP-C prescribe under Medicare Part D?

In 2024, Roberta S. Johnson-Seay, ARNP-C had 964 Medicare Part D claims for 106 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.