Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

John C. Tanner Iii, MD

Works at hospitals in Maple Grove, MN · Minnesota

Summary

Dr. John C. Tanner Iii, MD is an orthopedic surgeon at 3366 Oakdale Ave N, Suite 103, Robbinsdale, MN 55422. Phone: (763) 520-7870. Accepts Medicare assignment. In 2024, John C. Tanner Iii had 131 Original Medicare patients and 636 services. NPI 1780882662. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 3366 Oakdale Ave N, Suite 103, Robbinsdale, MN 55422 · Directions
  • Phone: (763) 520‑7870
  • Medicare: Accepts Medicare assignment
  • Hospital: Maple Grove Hospital
  • Group practice: Infinite Health Collaborative, PA
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John C. Tanner Iii, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does John C. Tanner Iii accept Medicare assignment?
Yes. Medicare's clinician data says John C. Tanner Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does John C. Tanner Iii see?
In 2024, CMS data shows 131 Original Medicare patients and 636 services for John C. Tanner Iii. This counts Original Medicare only and measures volume, not quality.
What is John C. Tanner Iii's NPI number?
1780882662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for John C. Tanner Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients131
Services billed to Medicare636
Different services or procedures49
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)87 services
  2. X-ray of foot, minimum of 3 views (73630)74 services
  3. Injection, dexamethasone sodium phosphate, 1 mg (J1100)61 services
  4. X-ray of ankle, minimum of 3 views (73610)42 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)23 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol64%
  • Arthritis63%
  • High blood pressure59%
  • Depression25%
  • Diabetes24%
  • Anxiety23%

Hospitals where John C. Tanner Iii works

Medicare's Facility Affiliation Data lists John C. Tanner Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Maple Grove HospitalMaple Grove, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240214

Practice locations

Addresses where John C. Tanner Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John C. Tanner Iii as a member of this group (CMS data updated October 2, 2026).

  • Infinite Health Collaborative, PA833 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Minnesota →

Other orthopedic surgeons in Minnesota

Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.

All orthopedic surgeons in Minnesota →

Other clinicians in Infinite Health Collaborative, PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780882662
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians