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Family Practice

Joseph J. Kennedy, DO

Works at hospitals in Cedar Rapids, IA · Iowa

Summary

Dr. Joseph J. Kennedy, DO is a family doctor at 1790 Blairs Ferry Rd, Hiawatha, IA 52233. Phone: (319) 378-8362. Accepts Medicare assignment. In 2024, Joseph J. Kennedy had 296 Original Medicare patients and 505 services. NPI 1427019561. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1790 Blairs Ferry Rd, Hiawatha, IA 52233 · Directions (3 more locations)
  • Phone: (319) 378‑8362
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Medical Center - Cedar Rapids
  • Group practice: Mercy Physician Associates Inc (+1 more)
  • Medical school: graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph J. Kennedy, 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 Joseph J. Kennedy accept Medicare assignment?
Yes. Medicare's clinician data says Joseph J. Kennedy 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 Joseph J. Kennedy see?
In 2024, CMS data shows 296 Original Medicare patients and 505 services for Joseph J. Kennedy. This counts Original Medicare only and measures volume, not quality.
What is Joseph J. Kennedy's NPI number?
1427019561. 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 Joseph J. Kennedy, 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 patients296
Services billed to Medicare505
Different services or procedures41
Participating Medicare providerYes
Average age of these patients72

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)198 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)53 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)51 services
  4. Automated urinalysis test (81003)41 services
  5. Detection test by immunoassay with direct visual observation for influenza virus (87804)32 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%
  • High blood pressure70%
  • Arthritis42%
  • Anxiety32%
  • Depression28%
  • Ischemic heart disease26%

Hospitals where Joseph J. Kennedy works

Medicare's Facility Affiliation Data lists Joseph J. Kennedy 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 Joseph J. Kennedy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph J. Kennedy as a member of these groups (CMS data updated October 2, 2026).

  • Mercy Physician Associates Inc101 clinicians in the group
  • Mercy Care Management, Inc33 clinicians in the group

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Hiawatha

Clinicians with the same Medicare primary specialty in Hiawatha, IA — not a recommendation.

All family doctors in Hiawatha →

Other clinicians in Mercy Physician Associates Inc

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

Clinician information

CredentialDO
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427019561
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