Peter Nathaniel Toensing, MD
Internal Medicine Physician · Eagan, MN
Peter Nathaniel Toensing, MD is an internal medicine physician with a practice address in Eagan, Minnesota, and NPI 1841258688, issued on May 2, 2006. Check the license (Minnesota 40827, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Peter Nathaniel Toensing
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 40827 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1440 Duckwood Dr, Eagan, MN 55122
- Phone
- (651) 688-7860
- Enumerated
- May 2, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20040607001011); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 1440 Duckwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Anderson, CNPFamily Nurse Practitioner1255964458
- Heidi Andrews, PHARMDAmbulatory Care Pharmacist1891171070
- Jenna Brandt, DPTPhysical Therapist1679977607
- Christian Dawson, PTPhysical Therapist1073870812
- Kara Harkness, DCChiropractor1811088172
- Brian Hauger, PTPhysical Therapist1568576064
Verify Peter Nathaniel Toensing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 40827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
211 Medicare Part D claims for 166 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Amoxicillin-Clavulanate Potass12 claims
- Fluticasone Propionate12 claims
- Cephalexin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Fairview ClinicsEagan, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Nathaniel Toensing among 2,632 internal medicine physician records in Minnesota
Peter Nathaniel Toensing, MD is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1996 · median 2008 among the 1,700 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 internal medicine physician records list a practice address in Eagan
They are 22 of the 1,627 NPPES records with a practice address in Eagan, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Eagan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Salwa Bakkali-Derksen, DOEagan, MN 551221538446059
- Laura Broder, M.D.Eagan, MN 551221881858363
- Melissa Kizilos, MDEagan, MN 551221508336835
- Erin McCarville, MDEagan, MN 551221194773291
- Sarah McIntireEagan, MN 551221184916280
- Karl Parens, MDEagan, MN 551221376501130
- Janine Pingel, MDEagan, MN 551221235197054
- Tammy Chiesa, MDEagan, MN 551211992895304
Common questions
What is Peter Nathaniel Toensing, MD's NPI number?
Peter Nathaniel Toensing, MD's National Provider Identifier (NPI) is 1841258688, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Nathaniel Toensing, MD located?
The NPPES record lists a practice address at 1440 Duckwood Dr, Eagan, MN, 55122. Phone: (651) 688-7860. Providers update this record themselves, so call before visiting.
How can I verify Peter Nathaniel Toensing, MD's license?
NPPES lists Minnesota license number 40827, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Peter Nathaniel Toensing, MD prescribe under Medicare Part D?
In 2024, Peter Nathaniel Toensing, MD had 211 Medicare Part D claims for 166 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Peter Nathaniel Toensing, MD's MIPS final score?
The 2023 MIPS final score is 86.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.