NPPES file of Aug 9, 2026

Cathy Denise Abston, NP-C

Family Nurse Practitioner · Harriman, TN

Cathy Denise Abston, NP-C is a family nurse practitioner with a practice address in Harriman, Tennessee, and NPI 1992172779, issued on Aug 27, 2015. Check the license (Tennessee 20390, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992172779
Name
Cathy Denise Abston
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
20390 TN
Self-reported in NPPES; status is on the state search
Practice location
2497 S Roane St, Harriman, TN 37748
Phone
(865) 647-3570
Enumerated
Aug 27, 2015
Record last updated
Apr 5, 2022
Fax
(865) 647-3579
Medicaid ID
Q018521 TN
Medicare enrollment
Enrolled (PECOS I20151124002674); accepts Medicare assignment
Medical or professional school
Lincoln Memorial University Medical Department, 2015
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 2497 S Roane St

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

  1. Haley Laymance, FNPFamily Nurse Practitioner1013151539
  2. Shawn McAward, PTPhysical Therapist1508246216
  3. Charles Roberts, DCChiropractor1144320656
  4. Judson Scandlyn, PT, DPTPhysical Therapist1114464021
  5. Mary Dawn Smart, FNP-BCFamily Nurse Practitioner1366396715
  6. David Weadon, PTPhysical Therapist1801221387

Verify Cathy Denise Abston 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 20390    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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2.4 times the Medicare Part D claims of the average family nurse practitioner in 2024

3,177 Medicare Part D claims for 565 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims. 60 claims were for opioids.

  1. Cathy Abston3,177
  2. Specialty average1,305

Most prescribed

  1. Albuterol Sulfate Hfa543 claims
  2. Trelegy Ellipta323 claims
  3. Prednisone188 claims
  4. Symbicort154 claims
  5. Spiriva Respimat148 claims
  6. Montelukast Sodium124 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 3 group practices

  1. Abode Care Partners Ltc VB LLCMountain City, TN
  2. Covenant Medical Group IncHarriman, TN
  3. Shc Medical Partners OF Tennessee, LLCHarriman, TN

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

22 family nurse practitioner records list a practice address in Harriman

They are 22 of the 200 NPPES records with a practice address in Harriman, and 9,060 family nurse practitioner records in Tennessee.

All 22 in Harriman → All 9,060 in Tennessee → Every provider in Harriman →

Other family nurse practitioner records in Tennessee

  1. Benjamin Aaron, FNP-CCookeville, TN1811454077
  2. Sandra Aaron, FNP-BCOoltewah, TN1801561964
  3. Jessica Abbott, FNPNashville, TN1801537287
  4. Felecia Abdelfattah, APRN BCBristol, TN1497768451
  5. Angela Abdi, MSN,FNP,BCNashville, TN1780795450
  6. Hodan Abdi, NPNashville, TN1710383922
  7. Amed Abdullah, FNP-CNashville, TN1477218774
  8. Dilmon Abdullah, NPAntioch, TN1467876821
  9. Redor AbdullahNashville, TN1205344009
  10. Shams Abed, FNP-BCAshland City, TN1982334884

Common questions

What is Cathy Denise Abston, NP-C's NPI number?

Cathy Denise Abston, NP-C's National Provider Identifier (NPI) is 1992172779, issued on Aug 27, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Cathy Denise Abston, NP-C located?

The NPPES record lists a practice address at 2497 S Roane St, Harriman, TN, 37748. Phone: (865) 647-3570. Providers update this record themselves, so call before visiting.

How can I verify Cathy Denise Abston, NP-C's license?

NPPES lists Tennessee license number 20390, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Cathy Denise Abston, NP-C prescribe under Medicare Part D?

In 2024, Cathy Denise Abston, NP-C had 3,177 Medicare Part D claims for 565 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.