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Dr. Felix Knauf, MD
NPI1104093624PAC ID9638213549
- Medicare services, 2024
- 129
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 20
- Publications
- 56
- Hospital affiliations
- 1
- Practice address
- 1216 Second Street Southwest, Rochester, MN 55902
- Practice phone
- Call (507) 255-5123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knauf's professional email, personal email and mobile number
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Dr. Felix Knauf is a nephrologist in Rochester, Minnesota
Dr. Knauf practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.
Dr. Knauf's NPI, 1104093624, was assigned on May 14, 2008. Dr. Knauf holds Minnesota license 75661.
NPI and contact details
- NPI
- 1104093624NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638213549
- NPI enumeration date
- May 14, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (507) 255-5123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Felix Knauf practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota
Dr. Knauf's primary practice is Mayo Clinic Hospital, Saint Marys Campus, at 1216 Second Street Southwest, Rochester, MN 55902 in Olmsted County. The practice phone is (507) 255-5123.
- Mayo Clinic Hospital, Saint Marys Campus1216 Second Street Southwest, Rochester, MN 55902 · Olmsted CountyPhone(507) 255-5123
Source: Dmand AI Affiliation Data
Dr. Felix Knauf is affiliated with 2 sites of care and 1 medical group
Dr. Knauf's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Knauf to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Felix Knauf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knauf practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital, Saint Marys Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Felix Knauf is one of 213 nephrologists in Minnesota
Nephrology is Dr. Knauf's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Knauf is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Knauf's licenses on file in 2 states: Minnesota and Connecticut.
Specialties and state licenses
- Nephrology, MinnesotaPrimary
- Student in an organized health care education/training program, Connecticut
Nephrologists near Dr. Knauf
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
213nephrologists in Minnesota57nephrologists in Rochester24nephrologists at Mayo Clinic Hospital, Saint Marys Campus
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Felix Knauf billed Medicare for 129 services in 2024
CMS data shows 129 Medicare services from Dr. Knauf across 4 procedure codes in 2024, for 115 Medicare patients. Medicare paid $11,851 for them.
Medicare services, 2024129
Medicare patients115
Paid by Medicare$11,851
Procedure codes4
Where Dr. Knauf's Medicare services took place, 2024
- In an office6450%
- In a facility6550%
Dr. Knauf compared with the Minnesota median for nephrologists, 2024
- Dr. Knauf
- Minnesota median
- Medicare services
- 129vs 49374% below
- Medicare patients
- 115vs 18538% below
Medians across 200 nephrologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Knauf'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.
Need commercial claims for Dr. Knauf?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knauf and other nephrologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Felix Knauf treated 115 Medicare patients in 2024, average age 72
CMS counts 115 Medicare patients who saw Dr. Knauf in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 3.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Knauf's median patient age at 68, with 49% women.
Medicare patients, 2024115
Average age72
Average risk score3.11
Also on Medicaid10%
Dr. Knauf's Medicare patients by age, 2024
Dr. Knauf's Medicare patients by sex, 2024
- Women4943%
- Men6657%
Chronic conditions among Dr. Knauf's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes50%
- Heart failure44%
- Ischemic heart disease41%
- Arthritis40%
- Atrial fibrillation31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knauf'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
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Felix Knauf wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Knauf wrote 20 Medicare Part D claims for 12 patients. 80% of them were for generic drugs.
Part D claims, 202420
Part D patients12
Dr. Knauf's Part D claims by kind of drug, 2024
- Generic16 claims80%
- Brand-name and other4 claims20%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Felix Knauf offers telehealth to Medicare patients
Dr. Knauf accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Knauf as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Felix Knauf has 56 publications on record
Dmand AI links 56 papers to Dr. Knauf, published from 2011 to 2025. 2022 was the busiest year, with 8. The most frequent topics are Oxalates, Renal Insufficiency, Chronic and Kidney. Dr. Knauf has published most often in J Am Soc Nephrol. Dr. Knauf's most frequent co-authors are Peter S. Aronson, MD, Trishul Siddharthan, MD and Annamaria T. Kausz.
Papers56
Years published2011 to 2025
Dr. Knauf's papers by year, 2016 to 2025
Topics Dr. Knauf writes about most
- Oxalates
- Renal Insufficiency, Chronic
- Kidney
- Mice, Knockout
- Uganda
- Kidney Calculi
- Renal Dialysis
- Antiporters
Dr. Knauf's most frequent co-authors
- Peter S. Aronson, MD16 shared papers
- Trishul Siddharthan, MD8 shared papers
- Annamaria T. Kausz4 shared papers
Recent publications by Dr. Knauf
Cardiovascular DiseasesHeart Disease Risk FactorsInterleukin-16
Cardiovascular DiseasesDisease ProgressionKidney Calculi
See who Dr. Knauf researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Knauf works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Felix Knauf received $86 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Knauf from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $86.
Companies that paid Dr. Knauf the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Felix Knauf is board certified in nephrology
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Sources for Dr. Felix Knauf'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 DataDmand AI Org Hierarchy 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 (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) |
| Publications, topics and co-authors | PubMed (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. Felix Knauf
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. Felix Knauf's NPI number?
Dr. Felix Knauf's NPI number is 1104093624. It was assigned on May 14, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Felix Knauf?
Dr. Felix Knauf is a nephrologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Felix Knauf practice?
Dr. Knauf practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Knauf's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Knauf to 1 hospice.
What is Dr. Felix Knauf's office phone number?
The practice phone on file for Dr. Knauf is (507) 255-5123.
What is Dr. Felix Knauf's medical license number?
Dr. Knauf holds Minnesota license 75661, one of the licenses on file in 2 states.
Which states has Dr. Felix Knauf been licensed in?
Dmand AI has state licenses on file for Dr. Knauf in Minnesota and Connecticut.
Which hospitals is Dr. Felix Knauf affiliated with?
Dr. Knauf practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.
What medical group is Dr. Felix Knauf part of?
Dr. Knauf is linked to Mayo Clinic.
Does Dr. Felix Knauf accept Medicare?
Yes. CMS data shows Dr. Knauf billed Medicare for 129 services in 2024, and Dr. Knauf accepts Medicare assignment.
Does Dr. Felix Knauf offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Knauf as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Felix Knauf see?
CMS counts 115 Medicare patients who saw Dr. Knauf in 2024, with an average age of 72.
Is Dr. Felix Knauf board certified?
Yes. Dr. Knauf is board certified in nephrology by the American Board of Internal Medicine.
What services does Dr. Felix Knauf bill to Medicare?
In 2024, Dr. Knauf's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99204) and office visit, established patient (99215).
Has Dr. Felix Knauf received payments from drug or device companies?
CMS Open Payments shows $86 in general payments to Dr. Knauf from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Felix Knauf been practicing?
Dr. Knauf graduated from medical school in 2004, 22 years ago.
Does Dr. Felix Knauf do research?
Dmand AI links 56 publications to Dr. Knauf, published from 2011 to 2025.
Who does Dr. Felix Knauf publish with?
Dr. Knauf's most frequent co-authors are Peter S. Aronson, MD (16 shared papers), Trishul Siddharthan, MD (8 shared papers) and Annamaria T. Kausz (4 shared papers).
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