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Sports Medicine

Kelly C. McInnis, DO

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Kelly C. McInnis, DO is a sports medicine doctor at 1575 Cambridge St, Cambridge, MA 02138. Phone: (617) 876-4344. Accepts Medicare assignment. In 2024, Kelly C. McInnis had 159 Original Medicare patients and 924 services. NPI 1811010838. 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: Sports medicine doctor (Medicare lists Sports Medicine)
  • Address: 1575 Cambridge St, Cambridge, MA 02138 · Directions (3 more locations)
  • Phone: (617) 876‑4344
  • Medicare: Accepts Medicare assignment
  • Hospitals: Brigham and Women's Hospital, Massachusetts General Hospital
  • Group practice: Massachusetts General Physicians Organization Inc (+1 more)
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly C. McInnis, 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 Kelly C. McInnis accept Medicare assignment?
Yes. Medicare's clinician data says Kelly C. McInnis 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 Kelly C. McInnis see?
In 2024, CMS data shows 159 Original Medicare patients and 924 services for Kelly C. McInnis. This counts Original Medicare only and measures volume, not quality.
What is Kelly C. McInnis's NPI number?
1811010838. 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 Kelly C. McInnis, 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 patients159
Services billed to Medicare924
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)486 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)173 services
  3. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)98 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)52 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)45 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 cholesterol75%
  • Arthritis70%
  • High blood pressure51%
  • Osteoporosis28%
  • Ischemic heart disease25%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%

Hospitals where Kelly C. McInnis works

Medicare's Facility Affiliation Data lists Kelly C. McInnis 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.

Practice locations

Addresses where Kelly C. McInnis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly C. McInnis as a member of these groups (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • President and Fellows of Harvard College97 clinicians in the group

Specialties

Find other Sports Medicine doctors in Massachusetts →

Other sports medicine doctors in Cambridge

Clinicians with the same Medicare primary specialty in Cambridge, MA — not a recommendation.

All sports medicine doctors in Cambridge →

Other clinicians in Massachusetts General Physicians Organization Inc

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811010838
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