NPPES file of Aug 9, 2026

Teresa Kay Guernsey, NP-C

Nurse Practitioner · Seymour, IN

Teresa Kay Guernsey, NP-C is a nurse practitioner with a practice address in Seymour, Indiana, and NPI 1619629029, issued on Jan 26, 2022. Check the license (Indiana 28098678A, as entered in NPPES) with the Indiana 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619629029
Name
Teresa Kay Guernsey
Credential
NP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
28098678A IN
Self-reported in NPPES; status is on the state search
Practice location
1130 Medical PL, Seymour, IN 47274
Phone
(812) 519-1552
Enumerated
Jan 26, 2022
Record last updated
Mar 18, 2022
Fax
(812) 519-1774
Medicare enrollment
Enrolled (PECOS I20220427002622); 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 1130 Medical PL

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

  1. Lisa McCoyFamily Nurse Practitioner1366814857
  2. Thomas Roberts, M.D.Family Medicine Physician1053421511
  3. Rachel Severe, PA-CPhysician Assistant1710392634
  4. Lynnette Wickliff, RN, MSN, FNPFamily Nurse Practitioner1811982143

Verify Teresa Kay Guernsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 28098678A
    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 Indiana 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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77% fewer Medicare Part D claims than the average nurse practitioner in 2024

252 Medicare Part D claims for 187 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Teresa Guernsey252
  2. Specialty average1,109

Most prescribed

  1. Azithromycin27 claims
  2. Doxycycline Monohydrate27 claims
  3. Amoxicillin-Clavulanate Potass26 claims
  4. Cephalexin24 claims
  5. Cefdinir20 claims
  6. Prednisone17 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 MIPS final score for 2023 (Medicare payment program): 90.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score81.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%93.3
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Jackson County Schneck Memorial HospitalSeymour, IN

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

Teresa Kay Guernsey among 2,582 nurse practitioner records in Indiana

Teresa Kay Guernsey, NP-C is one of 2,582 nurse practitioner records with a practice address in Indiana. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.

  • NPI issued2022 · 78% of these records are older, 15% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2021 · median 2018 among the 1,710 with a school on file
  • Record last updated2022 · 35% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 nurse practitioner records list a practice address in Seymour

They are 8 of the 498 NPPES records with a practice address in Seymour, and 2,582 nurse practitioner records in Indiana.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Terri Agan, NPCSeymour, IN 472741659335974
  2. Robin Cartwright, FNPSeymour, IN 472741013321447
  3. Cassie Hackman, FNPSeymour, IN 472741750886966
  4. Cathy Heath, WHNPSeymour, IN 472741275619587
  5. Sarah Ramey, NPSeymour, IN 472741134697121
  6. Kaila Robbins, FNPSeymour, IN 472741831811678
  7. Dorothy TannerSeymour, IN 472741366456584
  8. Heidi Frey, NPNorth Vernon, IN 472651710063300

Common questions

What is Teresa Kay Guernsey, NP-C's NPI number?

Teresa Kay Guernsey, NP-C's National Provider Identifier (NPI) is 1619629029, issued on Jan 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Teresa Kay Guernsey, NP-C located?

The NPPES record lists a practice address at 1130 Medical PL, Seymour, IN, 47274. Phone: (812) 519-1552. Providers update this record themselves, so call before visiting.

How can I verify Teresa Kay Guernsey, NP-C's license?

NPPES lists Indiana license number 28098678A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Teresa Kay Guernsey, NP-C prescribe under Medicare Part D?

In 2024, Teresa Kay Guernsey, NP-C had 252 Medicare Part D claims for 187 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Teresa Kay Guernsey, NP-C's MIPS final score?

The 2023 MIPS final score is 90.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.