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Diagnostic Radiology

Clark D. Phelps Jr., MD

Works at hospitals in Kalkaska, MI · Cadillac, MI · Grayling, MI … · Michigan

Summary

Dr. Clark D. Phelps Jr., MD is a radiologist at 1105 6th St, Traverse City, MI 49684. Phone: (231) 935-5000. Accepts Medicare assignment. In 2024, Clark D. Phelps Jr. had 6,873 Original Medicare patients and 9,424 services. NPI 1437173630. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Clark D. Phelps Jr., 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 Clark D. Phelps Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Clark D. Phelps Jr. 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 Clark D. Phelps Jr. see?
In 2024, CMS data shows 6,873 Original Medicare patients and 9,424 services for Clark D. Phelps Jr.. This counts Original Medicare only and measures volume, not quality.
What is Clark D. Phelps Jr.'s NPI number?
1437173630. 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 Clark D. Phelps Jr., 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 patients6,873
Services billed to Medicare9,424
Different services or procedures184
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 2 views (71046)1,696 services
  2. Dxa bone density measurement of hip, pelvis, spine (77080)1,366 services
  3. X-ray of chest, 1 view (71045)1,069 services
  4. Limited ultrasound scan behind abdominal cavity (76775)360 services
  5. Limited ultrasound scan of abdomen (76705)312 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 cholesterol74%
  • High blood pressure72%
  • Arthritis50%
  • Diabetes28%
  • Chronic kidney disease27%
  • Ischemic heart disease26%

Hospitals where Clark D. Phelps Jr. works

Medicare's Facility Affiliation Data lists Clark D. Phelps Jr. 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 Clark D. Phelps Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clark D. Phelps Jr. as a member of this group (CMS data updated October 2, 2026).

  • Grand Traverse Radiologists PC32 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Michigan →

Other radiologists in Traverse City

Clinicians with the same Medicare primary specialty in Traverse City, MI — not a recommendation.

All radiologists in Traverse City →

Other clinicians in Grand Traverse Radiologists PC

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437173630
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