Stephen R. Viess, MD

Medicare activity in 2024

Official CMS public-use data for Stephen R. Viess, 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. Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (J7318)4,500 services
2. Injection, bupivicaine, not otherwise specified, 0.5 mg (J0665)2,237 services
3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)568 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)394 services
5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)352 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 pressure69%
• Chronic kidney disease28%
• Diabetes25%
• Ischemic heart disease22%

Hospitals where Stephen R. Viess works

Medicare's Facility Affiliation Data lists Stephen R. Viess 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.

• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
• Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

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

• 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
• 4201 Town Ctr BlvdEl Dorado Hills, CA 95762 (916) 905‑6378
• 4201 Town Ctr Blvd, Bldg DEl Dorado Hills, CA 95762 (916) 905‑6378
• 5555 W Las Positas BlvdPleasanton, CA 94588 (925) 847‑3000
• 5725 W Las Positas BlvdPleasanton, CA 94588

Group practices

Medicare enrollment lists Stephen R. Viess as a member of these groups (CMS data updated October 2, 2026).

• Stanford Health Care3,122 clinicians in the group
• Marshall Medical Center176 clinicians in the group

Specialties

• Sports Medicineprimary

Find other Sports Medicine doctors in California →

Other sports medicine doctors in Stanford

Clinicians with the same Medicare primary specialty in Stanford, CA — not a recommendation.

• Leina'Ala Y. Song, MD
• Joseph P. Donahue, MD
• Joseph R. Donnelly, MD
• Calvin E. Hwang, MD
• Jeremy L. Stanek, MD
• Anne E. Goldring, MD

All sports medicine doctors in Stanford →

Other clinicians in Stanford Health Care

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

• Charles P. Callihan Jr., MD
• Shwe Pyae, NP
• Thomas T. Chen, MD
• Phuong Ly, NP
• Viveta E. Lobo, MD
• Debra L. Safer, 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