Riley D. Machal, MD

Medicare activity in 2024

Official CMS public-use data for Riley D. Machal, 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)28 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)21 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).

• Anxiety67%

Hospitals where Riley D. Machal works

Medicare's Facility Affiliation Data lists Riley D. Machal 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.

• The Nebraska Medical CenterOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280013

Practice locations

Addresses where Riley D. Machal is enrolled with Medicare (CMS data updated October 2, 2026).

• 42 Nd Dewey St, UNMC Physicians Dewey AveOmaha, NE 68198 (402) 552‑6007

Group practices

Medicare enrollment lists Riley D. Machal as a member of this group (CMS data updated October 2, 2026).

• UNMC Physicians1,518 clinicians in the group

Specialties

• Psychiatryprimary

Find other Psychiatry doctors in Nebraska →

Other psychiatrists in Omaha

Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.

• Andrew R. Smith, MD
• Andrew D. Baumgartner, MD
• Bryndis O. Grissom, DO
• Brian D. Lubberstedt, MD
• Alisandrea N. Elson, MD
• Mary Jo Hanigan, MD
• Ashish Sharma, MD
• Roberto F. Cervantes, MD

All psychiatrists in Omaha →

Other clinicians in UNMC Physicians

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

• Zahid Iqbal, MD
• Susan J. Baker
• Jenny L. Thacker, MD
• Elaina M. Lacy
• Edward L. Oleary, MD
• Sulman M. Hashmi

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