Jason R. Ladwig, MD

Medicare activity in 2024

Official CMS public-use data for Jason R. Ladwig, 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)437 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)84 services
3. Test to measure expiratory airflow and volume changes before and after medication administration (94060)77 services
4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)36 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)22 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%
• COPD64%
• Arthritis50%
• Ischemic heart disease49%
• Heart failure37%

Hospitals where Jason R. Ladwig works

Medicare's Facility Affiliation Data lists Jason R. Ladwig 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.

• Borgess Medical CenterKalamazoo, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230117
• Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230075
• Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230017
• Three Rivers HealthThree Rivers, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 230015

Practice locations

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

• 1521 Gull RdKalamazoo, MI 49048 (269) 226‑5165
• 1535 Gull Rd, Suite 130Kalamazoo, MI 49048 (269) 345‑1161
• 555 Linn StAllegan, MI 49010 (269) 381‑3963
• 711 S Health PkwyThree Rivers, MI 49093
• 7901 Angling RdPortage, MI 49024

Group practices

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

• Ascension Medical Group Promed262 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Critical Care (Intensivists)also
• Internal Medicinealso

Find other Pulmonary Disease doctors in Michigan →

Other pulmonologists in Michigan

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

• Richard Lovy, DO
• John N. Blixt, MD
• Syed A. Razvi, MD
• Ayoub Innabi, MD
• Javier I. Diaz Mendoza, MD
• Christopher W. Hughes, MD
• John N. Schuen, MD
• Arul V. Chandran, MD

All pulmonologists in Michigan →

Other clinicians in Ascension Medical Group Promed

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

• Terri J. Dennis, NP
• Nicholas Dilly
• Ashish P. Verma, MD
• John G. Gustafson, MD
• Rajiv Rangrass, MD
• Frank S. Saltiel, MD

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. 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