Christopher Espinoza-Ervin, MD

Medicare activity in 2024

Official CMS public-use data for Christopher Espinoza-Ervin, 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 low level od decision making, if using time, 20 minutes or more (99213)282 services
2. Aspiration and/or injection of fluid from large joint (20610)194 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)163 services
4. X-ray of shoulder, minimum of 2 views (73030)129 services
5. X-ray of knee, 4 or more views (73564)127 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).

• Arthritis75%
• High blood pressure74%
• High cholesterol73%
• Ischemic heart disease28%
• Diabetes27%
• Depression23%

Hospitals where Christopher Espinoza-Ervin works

Medicare's Facility Affiliation Data lists Christopher Espinoza-Ervin 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.

• Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370023
• INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370028
• McBride Orthopedic HospitalOklahoma City, OK · Acute Care Hospital · Emergency services: listed by Medicare · CCN 370222
• Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370013
• O U Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370093

Practice locations

Addresses where Christopher Espinoza-Ervin is enrolled with Medicare (CMS data updated October 2, 2026).

• 2230 N Perkins RdStillwater, OK 74075 (405) 780‑9919
• 3700 36th Ave NW, McBride Orthopedic Hospital Clinic NormanNorman, OK 73072 (405) 230‑9600

Group practices

Medicare enrollment lists Christopher Espinoza-Ervin as a member of these groups (CMS data updated October 2, 2026).

• Select Physical Therapy Holdings Inc2,024 clinicians in the group
• McBride Clinic Orthopedic Hospital, LLC101 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Oklahoma →

Other orthopedic surgeons in Stillwater

Clinicians with the same Medicare primary specialty in Stillwater, OK — not a recommendation.

• Alex N. Detwiler, DO
• Seth M. Boydstun, MD
• Travis J. Small, DO
• Thomas Tkach, MD
• John J. Stivers, MD
• David Saxton, MD
• Zackary Burrow, MD
• Kevin F. Wiley, MD

All orthopedic surgeons in Stillwater →

Other clinicians in Select Physical Therapy Holdings Inc

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

• Brittany T. Grady, DO
• Samantha C. Calvet, PA
• Danielle J. Sierks
• Thomas M. Anderson, DO
• Ann Jennings, MD
• Shelis R. Jorgensen, 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. 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