John M. Ruddy, MD
Internal Medicine Physician · Cambridge, MN
John M. Ruddy, MD is an internal medicine physician with a practice address in Cambridge, Minnesota, and NPI 1235190497, issued on Mar 29, 2006. Check the license (Minnesota 46279, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John M. Ruddy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 46279 MN
Self-reported in NPPES; status is on the state search - Practice location
- 701 Dellwood St S, Cambridge, MN 55008
- Phone
- (763) 689-8700
- Enumerated
- Mar 29, 2006
- Record last updated
- Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20051115000771); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 701 Dellwood St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Greg Andrle, DOFamily Medicine Physician1770657884
Verify John M. Ruddy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 46279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
11,923 Medicare Part D claims for 718 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 179 claims were for opioids.
Most prescribed
- Atorvastatin Calcium661 claims
- Lisinopril545 claims
- Amlodipine Besylate491 claims
- Metoprolol Succinate424 claims
- Levothyroxine Sodium374 claims
- Losartan Potassium362 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): 83.5 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
- Allina Health SystemAnnandale, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Ruddy among 2,632 internal medicine physician records in Minnesota
John M. Ruddy, 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
- Graduated2002 · median 2008 among the 1,700 with a school on file
- Record last updated2021 · 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).
Internal Medicine Physician providers in Minnesota
There are 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Cambridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andrew Peltier, MDCambridge, MN 550081457686792
- Timothy Probst, MDCambridge, MN 550081669439683
- Robert Aby, MDDundas, MN 550191861586463
- David Beckmann, M.D.Faribault, MN 550211265450571
- Mary Cameron, MDFaribault, MN 550211073576203
- Phunt Phyo, M.D.Faribault, MN 550211801829874
- Angela Timm, DOFaribault, MN 550211821291287
- Thomas Mears, MDHastings, MN 550331033173497
Common questions
What is John M. Ruddy, MD's NPI number?
John M. Ruddy, MD's National Provider Identifier (NPI) is 1235190497, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Ruddy, MD located?
The NPPES record lists a practice address at 701 Dellwood St S, Cambridge, MN, 55008. Phone: (763) 689-8700. Providers update this record themselves, so call before visiting.
How can I verify John M. Ruddy, MD's license?
NPPES lists Minnesota license number 46279, 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 John M. Ruddy, MD prescribe under Medicare Part D?
In 2024, John M. Ruddy, MD had 11,923 Medicare Part D claims for 718 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John M. Ruddy, MD's MIPS final score?
The 2023 MIPS final score is 83.5 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.