Samuel A. Klem Jr., MD

Medicare activity in 2024

Official CMS public-use data for Samuel A. Klem 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.

Most frequent services

1. Anesthesia for other procedure on upper abdomen (00790)17 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)13 services
3. Anesthesia for procedure for total knee joint replacement (01402)13 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%
• Arthritis60%
• Diabetes50%
• Chronic kidney disease44%
• Ischemic heart disease38%

Hospitals where Samuel A. Klem Jr. works

Medicare's Facility Affiliation Data lists Samuel A. Klem 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.

• Methodist HospitalSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450388
• Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670055

Practice locations

Addresses where Samuel A. Klem Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 3625 N Hall St, Suite 800Dallas, TX 75219 (214) 252‑3535

Group practices

Medicare enrollment lists Samuel A. Klem Jr. as a member of this group (CMS data updated October 2, 2026).

• Independent Physicians Network PLLC228 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

• Thomas Spain, MD
• Crystal Adams, MD
• Ethan L. Sanford, MD
• Bryce C. Foster, MD
• Megan M. Morris, MD
• Hammad Baig, MD
• Mohammed S. Ahmed, MD
• Sandy Thammasithiboon, MD

All anesthesiologists in Dallas →

Other clinicians in Independent Physicians Network PLLC

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

• Juan C. Abrencillo, CNA
• Rene Macias-Rodriguez, MD
• Monish Chheda, DO
• James M. Allman, MD
• Robert M. Onion Ii, MD
• James R. McKenny, 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