Nicholas Alexander Clough, MD
Internal Medicine Physician · Evansville, IN
Nicholas Alexander Clough, MD is an internal medicine physician with a practice address in Evansville, Indiana, and NPI 1639828635, issued on Mar 18, 2022. Check the license (Indiana 01100194A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Nicholas Alexander Clough
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01100194A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3700 Washington Ave, Evansville, IN 47714
- Phone
- (812) 485-4000
- Enumerated
- Mar 18, 2022
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 3700 Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas Alexander Clough in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01100194ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average internal medicine physician in 2024
633 Medicare Part D claims for 109 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium34 claims
- Ozempic27 claims
- Albuterol Sulfate Hfa25 claims
- Gabapentin25 claims
- Duloxetine Hcl22 claims
- Amlodipine Besylate21 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: $19.46
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nicholas Alexander Clough among 2,109 internal medicine physician records in Indiana
Nicholas Alexander Clough, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
97 internal medicine physician records list a practice address in Evansville
They are 97 of the 4,352 NPPES records with a practice address in Evansville, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Evansville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Donald Elshoff, MDEvansville, IN 477141205813698
- Nigel Islam, MDEvansville, IN 477141942240890
- Stephen Koewler, MDEvansville, IN 477141467439844
- Bryan Laura, MDEvansville, IN 477141346227725
- James Maserejian, MDEvansville, IN 477141326080037
- Divya Patel, MDEvansville, IN 477141184678419
Common questions
What is Nicholas Alexander Clough, MD's NPI number?
Nicholas Alexander Clough, MD's National Provider Identifier (NPI) is 1639828635, issued on Mar 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Alexander Clough, MD located?
The NPPES record lists a practice address at 3700 Washington Ave, Evansville, IN, 47714. Phone: (812) 485-4000. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Alexander Clough, MD's license?
NPPES lists Indiana license number 01100194A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Alexander Clough, MD prescribe under Medicare Part D?
In 2024, Nicholas Alexander Clough, MD had 633 Medicare Part D claims for 109 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.