NPPES file of Aug 9, 2026

Natalie Frances Duffy, PA-C

Physician Assistant · Louisville, KY

Natalie Frances Duffy, PA-C is a physician assistant with a practice address in Louisville, Kentucky, and NPI 1417504143, issued on Aug 19, 2019. Check the license (Kentucky TC845, as entered in NPPES) with the Kentucky 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
1417504143
Name
Natalie Frances Duffy
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
TC845 KY
Self-reported in NPPES; status is on the state search
Practice location
200 Abraham Flexner Way, Louisville, KY 40202
Phone
(502) 569-7983
Enumerated
Aug 19, 2019
Record last updated
Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(502) 589-7983
Medicare enrollment
Enrolled (PECOS I20190930001079); 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 200 Abraham Flexner Way

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

  1. Kayla Abner, RNRegistered Nurse1134806664
  2. Douglas Ackermann, MDAnatomic Pathology & Clinical Pathology Physician1265454474
  3. Dominic Aiello, MDEmergency Medicine Physician1215687322
  4. Kamran Akhtar, MDInfectious Disease Physician1669486346
  5. Robert Allen, MDAnesthesiology Physician1851388763
  6. Kwadwo Amankwa, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1104324243

Verify Natalie Frances Duffy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
    Search for license TC845
    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 Kentucky 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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80% fewer Medicare Part D claims than the average physician assistant in 2024

167 Medicare Part D claims for 107 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Natalie Duffy167
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium16 claims
  2. Methylprednisolone13 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.

Industry payments in 2024: $133.50

2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Natalie Duffy$133.50
  2. Specialty average$841.65

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. Louisville Observational Medicine Associates PscLouisville, KY

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

Natalie Frances Duffy among 1,958 physician assistant records in Kentucky

Natalie Frances Duffy, PA-C is one of 1,958 physician assistant records with a practice address in Kentucky. 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 2019, is newer than 57% of them.

  • NPI issued2019 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2018 among the 1,216 with a school on file
  • Record last updated2020 · 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 363A00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

345 physician assistant records list a practice address in Louisville

They are 345 of the 21,891 NPPES records with a practice address in Louisville, and 1,958 physician assistant records in Kentucky.

The 8 physician assistant records with the nearest ZIP codes

  1. Jacqueline Cooke, PA-CLouisville, KY 402021861656530
  2. Kristina Gunter, PALouisville, KY 402021730293978
  3. Ted Hood, PA-CLouisville, KY 402021093775140
  4. Jennifer Jones, PA-CLouisville, KY 402021306031950
  5. Amy Justice, PA-CLouisville, KY 402021942433180
  6. Effie Lary, PA-CLouisville, KY 402021649245440
  7. David Lizotte, PALouisville, KY 402021598826299
  8. Ann Lorimer, PA-CLouisville, KY 402021033213525

Common questions

What is Natalie Frances Duffy, PA-C's NPI number?

Natalie Frances Duffy, PA-C's National Provider Identifier (NPI) is 1417504143, issued on Aug 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Frances Duffy, PA-C located?

The NPPES record lists a practice address at 200 Abraham Flexner Way, Louisville, KY, 40202. Phone: (502) 569-7983. Providers update this record themselves, so call before visiting.

How can I verify Natalie Frances Duffy, PA-C's license?

NPPES lists Kentucky license number TC845, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.

How much does Natalie Frances Duffy, PA-C prescribe under Medicare Part D?

In 2024, Natalie Frances Duffy, PA-C had 167 Medicare Part D claims for 107 beneficiaries; the average among physician assistant prescribers was 830. 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.