NPPES file of Aug 9, 2026

Sara Catharine Johnson, APN, MSN, FNP-BC

Nurse Practitioner · Knoxville, TN

Sara Catharine Johnson, APN, MSN, FNP-BC is a nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1720679434, issued on Jan 27, 2021. Check the license (Tennessee 28796, as entered in NPPES) with the Tennessee 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
1720679434
Name
Sara Catharine Johnson
Credential
APN, MSN, FNP-BC
Primary taxonomy
Nurse Practitioner 363L00000X
License number
28796 TN
Self-reported in NPPES; status is on the state search
Practice location
10800 Parkside Dr Ste 331, Knoxville, TN 37934
Phone
(865) 392-3400
Enumerated
Jan 27, 2021
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210422002372); 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 10800 Parkside Dr Ste 331

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

  1. Timothy Ballard, ACNPAcute Care Nurse Practitioner1053411355
  2. Neil Barry, D.O., MBACardiovascular Disease Physician1669715546
  3. Harry Bishop, M.D.Interventional Cardiology Physician1083601629
  4. Frankie Cate, ACNP-BCAcute Care Nurse Practitioner1619479789
  5. Hunter Daniels, DOInterventional Cardiology Physician1215424643
  6. Russell Dickenson, PA-CPhysician Assistant1497745814

Verify Sara Catharine Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 28796
    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 Tennessee license search

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

2,303 Medicare Part D claims for 468 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Sara Johnson2,303
  2. Specialty average1,109

Most prescribed

  1. Eliquis313 claims
  2. Metoprolol Succinate290 claims
  3. Flecainide Acetate269 claims
  4. Sotalol266 claims
  5. Dofetilide199 claims
  6. Amiodarone Hcl114 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): 89.6 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 score77.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Industry payments in 2024: $1,487.09

70 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sara Johnson$1,487.09
  2. Specialty average$791.64

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

Bills Medicare through one group practice

  1. Knoxville Hma Cardiology Ppm, LLCKnoxville, TN

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

Sara Catharine Johnson among 2,303 nurse practitioner records in Tennessee

Sara Catharine Johnson, APN, MSN, FNP-BC is one of 2,303 nurse practitioner records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 20% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2020 · median 2017 among the 1,331 with a school on file
  • Record last updated2021 · 49% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

275 nurse practitioner records list a practice address in Knoxville

They are 275 of the 14,339 NPPES records with a practice address in Knoxville, and 2,303 nurse practitioner records in Tennessee.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jeremy Austin, NP-CKnoxville, TN 379341285293704
  2. Gayanne Ballinger, NPKnoxville, TN 379341083890040
  3. Mary Jo Biss, APNKnoxville, TN 379341386934396
  4. Madeline Dangerfield, FNPKnoxville, TN 379341003271529
  5. Rachel Fields, NP-CKnoxville, TN 379341063923415
  6. Jessica FurrowKnoxville, TN 379341386124386
  7. Andrew Keller, NPKnoxville, TN 379341508154915
  8. Melissa Longden, FNP-BCKnoxville, TN 379341336570969

Common questions

What is Sara Catharine Johnson, APN, MSN, FNP-BC's NPI number?

Sara Catharine Johnson, APN, MSN, FNP-BC's National Provider Identifier (NPI) is 1720679434, issued on Jan 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Sara Catharine Johnson, APN, MSN, FNP-BC located?

The NPPES record lists a practice address at 10800 Parkside Dr Ste 331, Knoxville, TN, 37934. Phone: (865) 392-3400. Providers update this record themselves, so call before visiting.

How can I verify Sara Catharine Johnson, APN, MSN, FNP-BC's license?

NPPES lists Tennessee license number 28796, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Sara Catharine Johnson, APN, MSN, FNP-BC prescribe under Medicare Part D?

In 2024, Sara Catharine Johnson, APN, MSN, FNP-BC had 2,303 Medicare Part D claims for 468 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Sara Catharine Johnson, APN, MSN, FNP-BC's MIPS final score?

The 2023 MIPS final score is 89.6 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.