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

Orthopedic Surgery

Nathanael Adams, MD

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

Summary

Dr. Nathanael Adams, MD is an orthopedic surgeon at 1111 S Mitchell St, Great Lakes Cadilla, Cadillac, MI 49601. Phone: (231) 935-0900. Accepts Medicare assignment. In 2024, Nathanael Adams had 141 Original Medicare patients and 197 services. NPI 1992364731. 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 Nathanael Adams, 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 Nathanael Adams accept Medicare assignment?
Yes. Medicare's clinician data says Nathanael Adams 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 Nathanael Adams see?
In 2024, CMS data shows 141 Original Medicare patients and 197 services for Nathanael Adams. This counts Original Medicare only and measures volume, not quality.
What is Nathanael Adams's NPI number?
1992364731. 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 Nathanael Adams, 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 patients141
Services billed to Medicare197
Different services or procedures21
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Replacement of knee joint, both sides of knee (27447)67 services
  2. Replacement of thigh bone and hip joint with prosthesis (27130)31 services
  3. X-ray of hip, 2-3 views (73502)17 services
  4. X-ray of knee, 4 or more views (73564)14 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%
  • Arthritis75%
  • High blood pressure71%
  • Ischemic heart disease26%
  • Anxiety24%
  • Depression23%

Hospitals where Nathanael Adams works

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

Group practices

Medicare enrollment lists Nathanael Adams as a member of these groups (CMS data updated October 2, 2026).

  • Orthopaedic Associates of Muskegon PC116 clinicians in the group
  • Great Lakes Orthopaedic Center PC36 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Michigan →

Other orthopedic surgeons in Michigan

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

All orthopedic surgeons in Michigan →

Other clinicians in Orthopaedic Associates of Muskegon 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 year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1992364731
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