Dr. Jan Andries Herholdt, MD
- Medicare services, 2023
- 11
- Medicare patients, 2024
- 67
- MIPS score, 2024
- 83
- Hospital affiliations
- 3
- Industry payments
- $109
- Practice address
- 200 Abraham Flexner Way, Louisville, KY 40202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jewish Hospital and St Mary's Healthcare - HOPD
Long Term Care Hospital · Louisville, Kentucky
Find Dr. Herholdt's professional email, personal email and mobile number
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Dr. Jan Andries Herholdt is an anesthesiologist in Louisville, Kentucky
Dr. Herholdt practices at Jewish Hospital and St Mary's Healthcare - HOPD in Louisville, Kentucky.
Dr. Herholdt's NPI, 1558449538, was assigned on November 1, 2006. Dr. Herholdt holds Wisconsin license 82470.
- NPI
- 1558449538NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446341226
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jan Andries Herholdt practices at Jewish Hospital and St Mary's Healthcare - HOPD in Louisville, Kentucky
Dr. Herholdt's primary practice is Jewish Hospital and St Mary's Healthcare - HOPD, at 200 Abraham Flexner Way, Louisville, KY 40202.
- Jewish Hospital and St Mary's Healthcare - HOPD200 Abraham Flexner Way, Louisville, KY 40202
Source: Dmand AI Affiliation Data
Dr. Jan Andries Herholdt is affiliated with 3 sites of care and 9 medical groups
Dr. Herholdt's primary practice is Jewish Hospital and St Mary's Healthcare - HOPD in Louisville, Kentucky. Dr. Herholdt is also affiliated with UofL Health - Jewish Hospital. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Herholdt to 1 more hospital and 8 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jan Andries Herholdt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herholdt practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jewish Hospital and St Mary's Healthcare - HOPD | Available with a free account |
| +2 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jan Andries Herholdt is one of 453 anesthesiologists in Kentucky
Anesthesiology is Dr. Herholdt's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Herholdt is licensed in Wisconsin.
Specialties and state licenses
- Anesthesiology, WisconsinPrimary
Anesthesiologists near Dr. Herholdt
Counts of anesthesiologists 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. Jan Andries Herholdt billed Medicare for 11 services in 2023
CMS data shows 11 Medicare services from Dr. Herholdt across 1 procedure code in 2023, for 67 Medicare patients. Medicare paid $457 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Herholdt's Medicare services by type, 2016 to 2023
- 2016
- 2023
- Anesthesia
- 2016: 02023: 11
- Surgery
- 2016: 112023: 0100%
Dr. Herholdt compared with the Kentucky median for anesthesiologists, 2023
- Dr. Herholdt
- Kentucky median
- Medicare services
- 11vs 6683% below
- Medicare patients
- 67vs 11341% below
Medians across 450 anesthesiologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Herholdt's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Herholdt and other anesthesiologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jan Andries Herholdt treated 67 Medicare patients in 2024, average age 72
CMS counts 67 Medicare patients who saw Dr. Herholdt in 2024. The largest group is 75 to 84, with 30 patients. 72% of them have high cholesterol, and 66% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herholdt's median patient age at 68, with 75% women.
Dr. Herholdt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herholdt's Medicare patients by sex, 2024
- Women4263%
- Men2537%
Chronic conditions among Dr. Herholdt's Medicare patients, 2024
- High cholesterol72%
- High blood pressure66%
- Arthritis45%
- Anxiety36%
- Mood disorders31%
- Depression28%
- Osteoporosis24%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herholdt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jan Andries Herholdt scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Herholdt for performance year 2024, reported as part of a group. Dr. Herholdt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Herholdt's MIPS scores, performance year 2024
- 83of 100Final score
- 87.8of 100Quality
- 77of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jan Andries Herholdt received $109 in industry payments from 2019 to 2025
CMS Open Payments shows 3 general payments to Dr. Herholdt from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $42.
General payments to Dr. Herholdt by program year, 2019 to 2025
Companies that paid Dr. Herholdt the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jan Andries Herholdt'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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jan Andries Herholdt
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. Jan Andries Herholdt's NPI number?
Dr. Jan Andries Herholdt's NPI number is 1558449538. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jan Andries Herholdt?
Dr. Jan Andries Herholdt is an anesthesiologist in Louisville, Kentucky. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jan Andries Herholdt practice?
Dr. Herholdt practices at 200 Abraham Flexner Way, Louisville, KY 40202. Dr. Herholdt's primary practice is Jewish Hospital and St Mary's Healthcare - HOPD in Louisville, Kentucky. Dmand AI also links Dr. Herholdt to 1 hospital and 8 medical groups.
What is Dr. Jan Andries Herholdt's medical license number?
Dr. Herholdt holds Wisconsin license 82470.
Which hospitals is Dr. Jan Andries Herholdt affiliated with?
Dr. Herholdt is affiliated with UofL Health - Jewish Hospital. Dmand AI links Dr. Herholdt to 2 more hospitals.
What medical group is Dr. Jan Andries Herholdt part of?
Dr. Herholdt is linked to Marshfield Clinic Health System. Dmand AI links Dr. Herholdt to 8 more medical groups.
Does Dr. Jan Andries Herholdt accept Medicare?
Yes. CMS data shows Dr. Herholdt billed Medicare for 11 services in 2023, and Dr. Herholdt accepts Medicare assignment.
What is Dr. Jan Andries Herholdt's MIPS score?
Dr. Herholdt's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jan Andries Herholdt see?
CMS counts 67 Medicare patients who saw Dr. Herholdt in 2024, with an average age of 72.
What services does Dr. Jan Andries Herholdt bill to Medicare?
In 2023, Dr. Herholdt's most billed Medicare services were anesthesia (00142).
Has Dr. Jan Andries Herholdt received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Herholdt from 3 companies from 2019 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Dr. Jan Andries Herholdt been practicing?
Dr. Herholdt graduated from medical school in 1985, 41 years ago.
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