NPPES file of Aug 9, 2026

Nathaniel Mills Preston

Physician Assistant · Newburgh, IN

Nathaniel Mills Preston is a physician assistant with a practice address in Newburgh, Indiana, and NPI 1417658139, issued on Mar 10, 2023. Check the license (Indiana 10004499A, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417658139
Name
Nathaniel Mills Preston
Primary taxonomy
Physician Assistant 363A00000X
License number
10004499A IN
Self-reported in NPPES; status is on the state search
Practice location
4166 Wyntree Dr, Newburgh, IN 47630
Phone
(812) 858-5050
Enumerated
Mar 10, 2023
Record last updated
Aug 20, 2024
Medicare enrollment
Enrolled (PECOS I20240904004531); 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 4166 Wyntree Dr

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

  1. Kausalya Chilukuri, M.D.Family Medicine Physician1245214501
  2. Krishna Chilukuri, M.D.Family Medicine Physician1841273968
  3. Ann Prescott, NP-CFamily Nurse Practitioner1619165016

Verify Nathaniel Mills Preston 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 10004499A
    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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75% fewer Medicare Part D claims than the average physician assistant in 2024

206 Medicare Part D claims for 120 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Nathaniel Preston206
  2. Specialty average830

Most prescribed

  1. Rosuvastatin Calcium12 claims
  2. Amlodipine Besylate11 claims
  3. Atorvastatin Calcium11 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: $137.52

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Nathaniel Preston$137.52
  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 2 group practices

  1. Easter Seals Rehabilitation Center IncEvansville, IN
  2. St Marys Medical Group LLCNewburgh, IN

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

43 physician assistant records list a practice address in Newburgh

They are 43 of the 1,258 NPPES records with a practice address in Newburgh, and 2,419 physician assistant records in Indiana.

Other physician assistant records in Indiana

  1. Mary Abbas, PA-CIndianapolis, IN1174088033
  2. Alexandra Abbey, PA-CIndianapolis, IN1124820113
  3. Mackenzie Accorsi, PA-CLa Porte, IN1346707841
  4. Anna Ackermann, PA-CIndianapolis, IN1972237170
  5. Nathaniel Acree, PA-CWest Lafayette, IN1013453927
  6. Jeremy Adamowicz, PAIndianapolis, IN1790131357
  7. Alysen AdamsNew Albany, IN1861961062
  8. Anne Adams, PA-CJeffersonvlle, IN1962005231
  9. Emily Adams, PACGreencastle, IN1710060033
  10. Laurel Adams, PA-CBloomington, IN1881781318

Common questions

What is Nathaniel Mills Preston's NPI number?

Nathaniel Mills Preston's National Provider Identifier (NPI) is 1417658139, issued on Mar 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Mills Preston located?

The NPPES record lists a practice address at 4166 Wyntree Dr, Newburgh, IN, 47630. Phone: (812) 858-5050. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Mills Preston's license?

NPPES lists Indiana license number 10004499A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Nathaniel Mills Preston prescribe under Medicare Part D?

In 2024, Nathaniel Mills Preston had 206 Medicare Part D claims for 120 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.