Clin Transplant
Diabetes Mellitus, Type 1Graft SurvivalKidney
Dr. Timothy S. Larson, MD
NPI1093792269PAC ID0446385488
- Medicare services, 2024
- 8,454
- Medicare patients, 2024
- 1,405
- Part D claims, 2024
- 117
- Publications
- 15
- 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
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Dr. Timothy S. Larson is a nephrologist in Rochester, Minnesota
Dr. Larson practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic.
Dr. Larson's NPI, 1093792269, was assigned on December 28, 2005. Dr. Larson graduated from Mayo Medical School in 1982. Dr. Larson holds Minnesota license 27904.
NPI and contact details
- NPI
- 1093792269NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446385488
- NPI enumeration date
- December 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (507) 255-5123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy S. Larson practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota
Dr. Larson'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. Timothy S. Larson is affiliated with 3 sites of care and 1 medical group
Dr. Larson'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. Larson to 1 more dialysis center and 1 hospice, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy S. Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 3 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy S. Larson is one of 213 nephrologists in Minnesota
Nephrology is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Larson's licenses on file in 4 states: Minnesota, Arizona, Florida and Iowa.
Specialties and state licenses
- Nephrology, MinnesotaPrimary
- Arizona license
- Florida license
- Iowa license
Nephrologists near Dr. Larson
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. Timothy S. Larson billed Medicare for 8,454 services in 2024
CMS data shows 8,454 Medicare services from Dr. Larson across 9 procedure codes in 2024, for 1,405 Medicare patients. Medicare paid $65,139 for them.
Medicare services, 20248,454
Medicare patients1,405
Paid by Medicare$65,139
Procedure codes9
Dr. Larson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3,4712024: 3,7027%
- Lab and pathology
- 2023: 2,4262024: 2,5977%
- Tests and treatments
- 2023: 1,0992024: 1,0851%
- Other services
- 2023: 02024: 1,000
- Office and hospital visits
- 2023: 622024: 7013%
Where Dr. Larson's Medicare services took place, 2024
- In an office8,39899%
- In a facility561%
Dr. Larson compared with the Minnesota median for nephrologists, 2024
- Dr. Larson
- Minnesota median
- Medicare services
- 8,454vs 49317.1 times
- Medicare patients
- 1,405vs 1857.6 times
- Part D claims
- 35vs 37291% below
Medians across 200 nephrologists in Minnesota with Dmand AI profiles that report each measure.
Dr. Larson'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. Larson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Larson and other nephrologists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy S. Larson treated 1,405 Medicare patients in 2024, average age 65
CMS counts 1,405 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 714 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 3.34, 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. Larson's median patient age at 60, with 44% women.
Medicare patients, 20241,405
Average age65
Average risk score3.34
Also on Medicaid15%
Dr. Larson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Larson's Medicare patients by sex, 2024
- Women65447%
- Men75153%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol72%
- Diabetes45%
- Arthritis33%
- Ischemic heart disease29%
- Mood disorders27%
- Osteoporosis26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy S. Larson wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Larson wrote 117 Medicare Part D claims for 48 patients. 99% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $188 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Part D claims, 2024117
Drugs named by CMS2
Total drug cost$188
Part D patients48
Dr. Larson's Part D claims by kind of drug, 2024
- Generic116 claims99%
- Brand-name and other1 claims1%
Dr. Larson'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 35218%
Drugs named by CMS: 2 in 2024, 1 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), 2024 data
How Dr. Timothy S. Larson takes part in Medicare
Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Timothy S. Larson has 15 publications on record
Dmand AI links 15 papers to Dr. Larson, published from 2010 to 2023. 2011 was the busiest year, with 2. The most frequent topics are Glomerular Filtration Rate, Kidney and Creatinine. Dr. Larson has published most often in Clin Chem. Dr. Larson's most frequent co-authors are Mark D. Stegall, MD, John C. Lieske, MD and Andrew D. Rule, MD.
Papers15
Years published2010 to 2023
Dr. Larson's papers by year, 2010 to 2023
Topics Dr. Larson writes about most
- Glomerular Filtration Rate
- Kidney
- Creatinine
- Kidney Transplantation
- Kidney Function Tests
- Cystatin C
- Graft Rejection
- Graft Survival
Dr. Larson's most frequent co-authors
- Mark D. Stegall, MD5 shared papers
- John C. Lieske, MD3 shared papers
- Andrew D. Rule, MD3 shared papers
Recent publications by Dr. Larson
CreatinineGlomerular Filtration RateKidney
Nephrol Dial Transplant
Glomerular Filtration RateHydroxymethylglutaryl-CoA Reductase InhibitorsKidney
See who Dr. Larson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Larson 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. Timothy S. Larson graduated from Mayo Medical School
Dr. Larson graduated from Mayo Medical School in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy S. Larson'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Timothy S. Larson
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. Timothy S. Larson's NPI number?
Dr. Timothy S. Larson's NPI number is 1093792269. It was assigned on December 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy S. Larson?
Dr. Timothy S. Larson is a nephrologist in Rochester, Minnesota. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Timothy S. Larson practice?
Dr. Larson practices at 1216 Second Street Southwest, Rochester, MN 55902. Dr. Larson's primary practice is Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota, part of Mayo Clinic. Dmand AI also links Dr. Larson to 1 dialysis center and 1 hospice.
What is Dr. Timothy S. Larson's office phone number?
The practice phone on file for Dr. Larson is (507) 255-5123.
What is Dr. Timothy S. Larson's medical license number?
Dr. Larson holds Minnesota license 27904, one of the licenses on file in 4 states.
Which states has Dr. Timothy S. Larson been licensed in?
Dmand AI has state licenses on file for Dr. Larson in Minnesota, Arizona, Florida and Iowa.
Which hospitals is Dr. Timothy S. Larson affiliated with?
Dr. Larson practices at Mayo Clinic Hospital, Saint Marys Campus in Rochester, Minnesota.
What medical group is Dr. Timothy S. Larson part of?
Dr. Larson is linked to Mayo Clinic.
Does Dr. Timothy S. Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 8,454 services in 2024, and Dr. Larson accepts Medicare assignment.
How many Medicare patients does Dr. Timothy S. Larson see?
CMS counts 1,405 Medicare patients who saw Dr. Larson in 2024, with an average age of 65.
Show 6 more questionsShow fewer questions
What services does Dr. Timothy S. Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were lab and pathology test (81050), surgery: heart and blood vessels (36415) and surgery: urinary system (51798).
Where did Dr. Timothy S. Larson go to medical school?
Dr. Larson graduated from Mayo Medical School in 1982.
What drugs does Dr. Timothy S. Larson prescribe most?
In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Prednisone and Amlodipine Besylate.
How long has Dr. Timothy S. Larson been practicing?
Dr. Larson graduated from medical school in 1982, 44 years ago.
Does Dr. Timothy S. Larson do research?
Dmand AI links 15 publications to Dr. Larson, published from 2010 to 2023.
Who does Dr. Timothy S. Larson publish with?
Dr. Larson's most frequent co-authors are Mark D. Stegall, MD (5 shared papers), John C. Lieske, MD (3 shared papers) and Andrew D. Rule, MD (3 shared papers).
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