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Family Practice

Clay R. Dahlquist, DO

Works at hospitals in Waverly, IA · Iowa

Summary

Dr. Clay R. Dahlquist, DO is a family doctor at 312 9th St SW, Waverly, IA 50677. Phone: (319) 352-4120. Accepts Medicare assignment. In 2024, Clay R. Dahlquist had 84 Original Medicare patients and 203 services. NPI 1083691190. 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: 312 9th St SW, Waverly, IA 50677 · Directions
  • Phone: (319) 352‑4120
  • Medicare: Accepts Medicare assignment
  • Hospital: Waverly Health Center
  • Group practice: Waverly Health Center
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Clay R. Dahlquist, 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 Clay R. Dahlquist accept Medicare assignment?
Yes. Medicare's clinician data says Clay R. Dahlquist 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 Clay R. Dahlquist see?
In 2024, CMS data shows 84 Original Medicare patients and 203 services for Clay R. Dahlquist. This counts Original Medicare only and measures volume, not quality.
What is Clay R. Dahlquist's NPI number?
1083691190. 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 Clay R. Dahlquist, 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 patients84
Services billed to Medicare203
Different services or procedures7
Participating Medicare providerYes
Average age of these patients80

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)64 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)47 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)42 services
  4. Hospital discharge day management, 30 minutes or less (99238)40 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 blood pressure75%
  • High cholesterol75%
  • Arthritis64%
  • Ischemic heart disease48%
  • Chronic kidney disease46%
  • Atrial fibrillation38%

Hospitals where Clay R. Dahlquist works

Medicare's Facility Affiliation Data lists Clay R. Dahlquist 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.

  • Waverly Health CenterWaverly, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161339

Practice locations

Addresses where Clay R. Dahlquist is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clay R. Dahlquist as a member of this group (CMS data updated October 2, 2026).

  • Waverly Health Center44 clinicians in the group

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Waverly

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

All family doctors in Waverly →

Other clinicians in Waverly Health Center

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

Clinician information

CredentialDO
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083691190
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