ObesityOvernutrition
Dr. John N. Olsofka, MD
NPI1013919273PAC ID5496880635
- Medicare services, 2024
- 360
- Medicare patients, 2026
- 213
- Part D claims, 2026
- 412
- Clinical trials
- 3
- MIPS score, 2026
- 79
- Practice address
- 1850 Bluegrass Ave, Louisville, KY 40215
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD
Acute Care Hospital outpatient department · Louisville, Kentucky
Find Dr. Olsofka's professional email, personal email and mobile number
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Dr. John N. Olsofka is a general surgeon in Louisville, Kentucky
Dr. Olsofka practices at Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD in Louisville, Kentucky.
Dr. Olsofka's NPI, 1013919273, was assigned on June 1, 2005. Dr. Olsofka graduated from University of Louisville School of Medicine in 1994. Dr. Olsofka holds Kentucky license 31325.
NPI and contact details
- NPI
- 1013919273NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496880635
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John N. Olsofka practices at Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD in Louisville, Kentucky
Dr. Olsofka's primary practice is Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD, at 1850 Bluegrass Ave, Louisville, KY 40215.
- Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD1850 Bluegrass Ave, Louisville, KY 40215
Source: Dmand AI Affiliation Data
Dr. John N. Olsofka is affiliated with 5 sites of care and 3 medical groups
Dr. Olsofka's primary practice is Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD in Louisville, Kentucky. Dr. Olsofka is also affiliated with UofL Health - Jewish Hospital. The medical group on file is UofL Physicians, Radiology. Dmand AI also links Dr. Olsofka to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Mary & Elizabeth Hospital / Pulmonary Rehab - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John N. Olsofka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olsofka practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John N. Olsofka is one of 383 general surgeons in Kentucky
Surgery is Dr. Olsofka's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Olsofka is licensed in Kentucky.
Specialties and state licenses
- Surgery, KentuckyPrimary
General surgeons near Dr. Olsofka
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 N. Olsofka billed Medicare for 360 services in 2024
CMS data shows 360 Medicare services from Dr. Olsofka across 15 procedure codes in 2024, for 213 Medicare patients. Medicare paid $35,560 for them.
Medicare services, 2024360
Medicare patients213
Paid by Medicare$35,560
Procedure codes15
Dr. Olsofka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2152024: 2083%
- Surgery
- 2023: 642024: 11478%
- Tests and treatments
- 2023: 182024: 38111%
Where Dr. Olsofka's Medicare services took place, 2024
- In an office15643%
- In a facility20457%
Dr. Olsofka compared with the Kentucky median for general surgeons, 2024
- Dr. Olsofka
- Kentucky median
- Medicare services
- 360vs 20278% above
- Medicare patients
- 213vs 14745% above
- Part D claims
- 339vs 834.1 times
Medians across 373 general surgeons in Kentucky with Dmand AI profiles that report each measure.
Dr. Olsofka'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John N. Olsofka treated 213 Medicare patients in 2026, average age 67
CMS counts 213 Medicare patients who saw Dr. Olsofka in 2026. The largest group is under 65, with 73 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Olsofka's median patient age at 57, with 72% women.
Medicare patients, 2026213
Average age67
Average risk score1.39
Also on Medicaid29%
Dr. Olsofka's Medicare patients by age, 2026
Dr. Olsofka's Medicare patients by sex, 2026
- Women12358%
- Men9042%
Chronic conditions among Dr. Olsofka's Medicare patients, 2026
- High blood pressure75%
- High cholesterol71%
- Arthritis52%
- Anxiety46%
- Mood disorders42%
- Depression38%
- Diabetes37%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Olsofka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women72%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. John N. Olsofka wrote 412 Medicare Part D claims in 2026
In 2026, Dr. Olsofka wrote 412 Medicare Part D claims for 243 patients. 96% of them were for generic drugs. CMS names the drug for 339 of them, across 8 drugs with 11 or more claims each, at $2,370 in total drug cost. In 2023, CMS named 237 claims across 8 drugs.
Part D claims, 2026412
Drugs named by CMS8
Total drug cost$2,370
Part D patients243
Dr. Olsofka's Part D claims by kind of drug, 2026
- Generic395 claims96%
- Brand-name17 claims4%
Dr. Olsofka'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. Olsofka's Part D claims, 2026
- Opioids49%202 of 412 claims
- Antibiotics11%46 of 412 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: 2372024: 33943%
Drugs named by CMS: 8 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
Dr. John N. Olsofka scored 79 out of 100 in Medicare's MIPS program for 2026
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Olsofka for performance year 2026, reported as part of a group. Dr. Olsofka accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Olsofka, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Olsofka's MIPS scores, performance year 2026
- 79of 100Final score
- 56.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Olsofka ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 48th percentile18 procedures
- Colonoscopy
- 41st percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2026 data; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John N. Olsofka has worked on 3 clinical trials
Dmand AI links Dr. Olsofka to 3 clinical trials. Conditions studied include Obesity, Overnutrition and Incisional Hernia. Apollo Endosurgery, Inc. sponsors the most, 2.
Conditions in Dr. Olsofka's trials
- Obesity
- Overnutrition
- Incisional Hernia
- Hernia, Inguinal
Investigators on the most trials with Dr. Olsofka
- Michael S. Thomas, MD2 shared trials
- Andres Jose Acosta, MD, PhD1 shared trial
- Shakeel Ahmed, MD1 shared trial
Recent clinical trials with Dr. Olsofka
ObesityOvernutrition
Incisional HerniaHernia, Inguinal
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John N. Olsofka received $116,927 in industry payments from 2016 to 2025
CMS Open Payments shows 219 general payments to Dr. Olsofka from 40 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 34% of the total. Davol Inc. paid the most, $49,841.
General payments to Dr. Olsofka by program year, 2016 to 2025
General payments to Dr. Olsofka by kind, 2016 to 2025
$116.9Kin total
- Honoraria$39,22534%
- Speaker and faculty fees$30,08926%
- Consulting fees$29,77525%
- Travel and lodging$9,0218%
- Food and beverage$8,8178%
Companies that paid Dr. Olsofka the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John N. Olsofka graduated from University of Louisville School of Medicine
Dr. Olsofka graduated from University of Louisville School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John N. Olsofka's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John N. Olsofka
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 N. Olsofka's NPI number?
Dr. John N. Olsofka's NPI number is 1013919273. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John N. Olsofka?
Dr. John N. Olsofka is a general surgeon in Louisville, Kentucky. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John N. Olsofka practice?
Dr. Olsofka practices at 1850 Bluegrass Ave, Louisville, KY 40215. Dr. Olsofka's primary practice is Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD in Louisville, Kentucky. Dmand AI also links Dr. Olsofka to 3 group practices and clinics and 2 medical groups, and a free account names each one.
What is Dr. John N. Olsofka's email address?
Dmand AI checks professional and personal email addresses for Dr. Olsofka through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John N. Olsofka's medical license number?
Dr. Olsofka holds Kentucky license 31325.
Which hospitals is Dr. John N. Olsofka affiliated with?
Dr. Olsofka is affiliated with UofL Health - Jewish Hospital.
What medical group is Dr. John N. Olsofka part of?
Dr. Olsofka is linked to UofL Physicians, Radiology. Dmand AI links Dr. Olsofka to 2 more medical groups, named with a free account.
Who does Dr. John N. Olsofka practice with?
Dmand AI links 1,736 HCPs to Dr. Olsofka's primary medical group, 32 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. John N. Olsofka accept Medicare?
Yes. CMS data shows Dr. Olsofka billed Medicare for 360 services in 2024, and Dr. Olsofka accepts Medicare assignment.
What is Dr. John N. Olsofka's MIPS score?
Dr. Olsofka's MIPS final score for performance year 2026 is 79 out of 100, reported as part of a group.
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How many Medicare patients does Dr. John N. Olsofka see?
CMS counts 213 Medicare patients who saw Dr. Olsofka in 2026, with an average age of 67.
What services does Dr. John N. Olsofka bill to Medicare?
In 2024, Dr. Olsofka's most billed Medicare services were surgery: brain, spine and nerves (64590), nerve and brain test (95980) and office visit, new patient (99205).
Where did Dr. John N. Olsofka go to medical school?
Dr. Olsofka graduated from University of Louisville School of Medicine in 1994.
What drugs does Dr. John N. Olsofka prescribe most?
In 2024 Medicare Part D data, Dr. Olsofka's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Naproxen and Peg 3350-Electrolyte.
Has Dr. John N. Olsofka received payments from drug or device companies?
CMS Open Payments shows $116,927 in general payments to Dr. Olsofka from 40 companies from 2016 to 2025. The largest total came from Davol Inc.
How long has Dr. John N. Olsofka been practicing?
Dr. Olsofka graduated from medical school in 1994, 32 years ago.
Does Dr. John N. Olsofka do research?
Dr. Olsofka has worked on 3 clinical trials.
What EHR does Dr. John N. Olsofka's practice use?
Dmand AI tracks the EHR system at Mary & Elizabeth Hospital / Pulmonary Rehab - HOPD and at 4 more sites and 2 medical groups. The vendor and product are available with a free Dmand AI account.
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