Nicholas J. Lettner-Knowlton, MD

Hospitals where Nicholas J. Lettner-Knowlton works

Medicare's Facility Affiliation Data lists Nicholas J. Lettner-Knowlton 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.

• Covenant Medical CenterSaginaw, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230070
• MyMichigan Medical Center ClareClare, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 230180
• MyMichigan Medical Center SaginawSaginaw, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230077

Practice locations

Addresses where Nicholas J. Lettner-Knowlton is enrolled with Medicare (CMS data updated October 2, 2026).

• 1000 Houghton AveSaginaw, MI 48602 (989) 583‑6800

Group practices

Medicare enrollment lists Nicholas J. Lettner-Knowlton as a member of this group (CMS data updated October 2, 2026).

• Saginaw Cooperative Hospitals Inc74 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Saginaw

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

• Tabrez Shaik Mohammed, MD
• Cyrus Garmo, MD
• Ghaith Alhatemi, MD
• Abdo A. Alward, MD
• Rakesh S. Chokshi, MD
• Ifrah Majeed, DO
• Lakshmi Gowda Hanumaiah, MD
• Robert J. Watha, MD

All internal medicine doctors in Saginaw →

Other clinicians in Saginaw Cooperative Hospitals Inc

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

• Delicia J. Pruitt, MD
• Cristina M. Nituica, MD
• Radha Cherukuri, MD
• Akram Alashari, MD
• Christine M. Shaw
• Devin B. O'Hora, NP

Clinician information

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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians