Dr. John Samuel Oldham Jr., MD

  • Louisville, KY
  • General surgeon
NPI1699817429PAC ID2769376219
Medicare services, 2024
84
Medicare patients, 2024
57
Part D claims, 2024
239
MIPS score, 2024
94
Hospital affiliations
1
Practice address
950 Breckenridge Lane, Louisville, KY 40207
Practice phone
Call (502) 893-6777
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Baptist Health Medical Group Obgyn - Louisville

Mammography / Breast Imaging Center · Louisville, Kentucky

See all 5 affiliations

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Dr. John Samuel Oldham Jr. is a general surgeon in Louisville, Kentucky

Dr. Oldham practices at Baptist Health Medical Group Obgyn - Louisville in Louisville, Kentucky.

Dr. Oldham's NPI, 1699817429, was assigned on February 12, 2007. Dr. Oldham graduated from University of Louisville School of Medicine in 1995. Dr. Oldham holds Kentucky license 35422.

NPI and contact details
Medicare PAC ID
2769376219
NPI enumeration date
February 12, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(502) 893-6777
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Samuel Oldham Jr. practices at Baptist Health Medical Group Obgyn - Louisville in Louisville, Kentucky

Dr. Oldham's primary practice is Baptist Health Medical Group Obgyn - Louisville, at 950 Breckenridge Lane, Louisville, KY 40207. The practice phone is (502) 893-6777.

  • Baptist Health Medical Group Obgyn - Louisville
    950 Breckenridge Lane, Louisville, KY 40207Phone(502) 893-6777

Source: Dmand AI Affiliation Data

Dr. John Samuel Oldham Jr. is affiliated with 4 sites of care and 1 medical group

Dr. Oldham's primary practice is Baptist Health Medical Group Obgyn - Louisville in Louisville, Kentucky. Dr. Oldham is also affiliated with Baptist Health Louisville. The medical group on file is Baptist Health Medical Group. Dmand AI also links Dr. Oldham to 1 more group practice or clinic and 1 home health agency, each named with a free account. Dr. Oldham's employer is on file too: a breast imaging center.

See all 5 affiliations for Dr. Oldham

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Samuel Oldham Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oldham practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Baptist Health Medical Group Obgyn - LouisvilleAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Samuel Oldham Jr. is one of 383 general surgeons in Kentucky

Surgery is Dr. Oldham's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Oldham is licensed in Kentucky.

Specialties and state licenses

  • Surgery, KentuckyPrimaryLicense 35422 · taxonomy 208600000X

General surgeons near Dr. Oldham

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Samuel Oldham Jr. billed Medicare for 84 services in 2024

CMS data shows 84 Medicare services from Dr. Oldham across 4 procedure codes in 2024, for 57 Medicare patients. Medicare paid $16,863 for them.

Medicare services, 202484
Medicare patients57
Paid by Medicare$16,863
Procedure codes4

Dr. Oldham's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 602024: 5017%
Surgery
2023: 472024: 3428%

Where Dr. Oldham's Medicare services took place, 2024

  • In an office5060%
  • In a facility3440%

Dr. Oldham compared with the Kentucky median for general surgeons, 2024

  • Dr. Oldham
  • Kentucky median
Medicare services
84vs 20258% below
Medicare patients
57vs 14761% below
Part D claims
185vs 832.2 times

Medians across 373 general surgeons in Kentucky with Dmand AI profiles that report each measure.

Dr. Oldham's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Oldham

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Samuel Oldham Jr. treated 57 Medicare patients in 2024, average age 64

CMS counts 57 Medicare patients who saw Dr. Oldham in 2024. The largest group is 65 to 74, with 28 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Oldham's median patient age at 47, with 84% women.

Medicare patients, 202457
Average age64
Average risk score1.36

Dr. Oldham's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Oldham's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Mood disorders53%
  5. Anxiety51%
  6. Depression47%
  7. Diabetes47%
  8. Ischemic heart disease33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Oldham's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women84%
  • Men16%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Samuel Oldham Jr. wrote 239 Medicare Part D claims in 2024

In 2024, Dr. Oldham wrote 239 Medicare Part D claims for 70 patients. 87% of them were for generic drugs. CMS names the drug for 185 of them, across 4 drugs with 11 or more claims each, at $9,562 in total drug cost. In 2023, CMS named 224 claims across 6 drugs.

Part D claims, 2024239
Drugs named by CMS4
Total drug cost$9,562
Part D patients70

Dr. Oldham's Part D claims by kind of drug, 2024

  • Generic208 claims87%
  • Brand-name31 claims13%

Dr. Oldham's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Oldham's Part D claims, 2024

  • Antibiotics6%15 of 239 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2242024: 18517%

Drugs named by CMS: 4 in 2024, 6 in 2023.

See all prescribing by Dr. Oldham

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John Samuel Oldham Jr. scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Oldham for performance year 2024, reported through an alternative payment model (APM). Dr. Oldham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 30 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Oldham, more than 55% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Oldham's MIPS scores, performance year 2024

  • 94of 100Final score
  • 87.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Oldham ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
55th percentile30 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. John Samuel Oldham Jr. received $527,693 in industry payments from 2016 to 2025

CMS Open Payments shows 487 general payments to Dr. Oldham from 30 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 62% of the total. Teleflex LLC paid the most, $364,891.

General payments to Dr. Oldham by program year, 2016 to 2025

General payments to Dr. Oldham by kind, 2016 to 2025

$527.7Kin total
  • Speaker and faculty fees$325,31362%
  • Consulting fees$175,33733%
  • Food and beverage$12,6482%
  • Travel and lodging$11,4052%
  • Other$2,9911%

Companies that paid Dr. Oldham the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Oldham

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Samuel Oldham Jr. graduated from University of Louisville School of Medicine

Dr. Oldham graduated from University of Louisville School of Medicine in 1995.

  1. Medical schoolUniversity of Louisville School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Samuel Oldham Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Samuel Oldham Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Samuel Oldham Jr.'s NPI number?

Dr. John Samuel Oldham Jr.'s NPI number is 1699817429. It was assigned on February 12, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. John Samuel Oldham Jr.?

Dr. John Samuel Oldham Jr. is a general surgeon in Louisville, Kentucky. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John Samuel Oldham Jr. practice?

Dr. Oldham practices at 950 Breckenridge Lane, Louisville, KY 40207. Dr. Oldham's primary practice is Baptist Health Medical Group Obgyn - Louisville in Louisville, Kentucky. Dmand AI also links Dr. Oldham to 1 group practice or clinic and 1 home health agency.

What is Dr. John Samuel Oldham Jr.'s office phone number?

The practice phone on file for Dr. Oldham is (502) 893-6777.

What is Dr. John Samuel Oldham Jr.'s medical license number?

Dr. Oldham holds Kentucky license 35422.

Which hospitals is Dr. John Samuel Oldham Jr. affiliated with?

Dr. Oldham is affiliated with Baptist Health Louisville.

What medical group is Dr. John Samuel Oldham Jr. part of?

Dr. Oldham is linked to Baptist Health Medical Group.

Does Dr. John Samuel Oldham Jr. accept Medicare?

Yes. CMS data shows Dr. Oldham billed Medicare for 84 services in 2024, and Dr. Oldham accepts Medicare assignment.

What is Dr. John Samuel Oldham Jr.'s MIPS score?

Dr. Oldham's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. John Samuel Oldham Jr. see?

CMS counts 57 Medicare patients who saw Dr. Oldham in 2024, with an average age of 64.

Show 5 more questionsShow fewer questions

What services does Dr. John Samuel Oldham Jr. bill to Medicare?

In 2024, Dr. Oldham's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and office visit, established patient (99215).

Where did Dr. John Samuel Oldham Jr. go to medical school?

Dr. Oldham graduated from University of Louisville School of Medicine in 1995.

What drugs does Dr. John Samuel Oldham Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Oldham's most prescribed drugs by claims were Ursodiol, Pantoprazole Sodium and Sucralfate.

Has Dr. John Samuel Oldham Jr. received payments from drug or device companies?

CMS Open Payments shows $527,693 in general payments to Dr. Oldham from 30 companies from 2016 to 2025. The largest total came from Teleflex LLC.

How long has Dr. John Samuel Oldham Jr. been practicing?

Dr. Oldham graduated from medical school in 1995, 31 years ago.

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