John Samuel Oldham, M.D.
Surgery Physician · Louisville, KY
John Samuel Oldham, M.D. is a surgery physician with a practice address in Louisville, Kentucky, and NPI 1699817429, issued on Feb 12, 2007. Check the license (Kentucky 35422, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Samuel Oldham
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 35422 KY
Self-reported in NPPES; status is on the state search - Practice location
- 950 Breckenridge LN Ste 10, Louisville, KY 40207
- Phone
- (502) 894-9499
- Enumerated
- Feb 12, 2007
- Record last updated
- May 31, 2024
- Fax
- (502) 894-9595
- Medicare enrollment
- Enrolled (PECOS I20100830000555); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 459 in Kentucky → Look up another NPI →
Also registered at 950 Breckenridge LN Ste 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn Thomas, R.D.,L.D.Registered Dietitian1104004043
Verify John Samuel Oldham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 35422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average surgery physician in 2024
239 Medicare Part D claims for 70 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ursodiol98 claims
- Pantoprazole Sodium43 claims
- Sucralfate24 claims
- Enoxaparin Sodium20 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): 95.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $153,665.22
80 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Teleflex LLC. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Bills Medicare through one group practice
- Baptist Health Medical Group IncLa Grange, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Samuel Oldham among 459 surgery physician records in Kentucky
John Samuel Oldham, M.D. is one of 459 surgery physician records with a practice address in Kentucky. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 41% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1995 · median 2005 among the 292 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Kentucky
There are 459 surgery physician records in Kentucky.
All 459 in Kentucky → Every provider in Louisville → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Jeffrey Allen, MDLouisville, KY 402071174502728
- Robert Cacchione, MDLouisville, KY 402071760462790
- Janet Chipman, M.D.Louisville, KY 402071952380644
- Anthony George, M.D.Louisville, KY 402071225032014
- William Hoagland, MDLouisville, KY 402071720076029
- Gregory Juhl, MDLouisville, KY 402071205830098
- Marc Marcum, M.D.Louisville, KY 402071811976400
- Martin Mark, M.D.Louisville, KY 402071457312894
Common questions
What is John Samuel Oldham, M.D.'s NPI number?
John Samuel Oldham, M.D.'s National Provider Identifier (NPI) is 1699817429, issued on Feb 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Samuel Oldham, M.D. located?
The NPPES record lists a practice address at 950 Breckenridge LN Ste 10, Louisville, KY, 40207. Phone: (502) 894-9499. Providers update this record themselves, so call before visiting.
How can I verify John Samuel Oldham, M.D.'s license?
NPPES lists Kentucky license number 35422, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Samuel Oldham, M.D. prescribe under Medicare Part D?
In 2024, John Samuel Oldham, M.D. had 239 Medicare Part D claims for 70 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is John Samuel Oldham, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.5 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.