Joseph S. Esherick, MD

Medicare activity in 2024

Official CMS public-use data for Joseph S. Esherick, 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. Critical care, first 30-74 minutes (99291)67 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)66 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)63 services
4. Hospital discharge day management, 30 minutes or less (99238)28 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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 cholesterol69%
• Arthritis54%
• Diabetes48%
• Ischemic heart disease42%
• Chronic kidney disease40%

Hospitals where Joseph S. Esherick works

Medicare's Facility Affiliation Data lists Joseph S. Esherick 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.

• Modoc Medical CenterAlturas, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051330
• Ventura County Medical CenterVentura, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050159

Practice locations

Addresses where Joseph S. Esherick is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 N Nagle StAlturas, CA 96101 (530) 708‑8800
• 120 S Main St, Suite AAlturas, CA 96101 (530) 233‑7054
• 300 Hillmont AveVentura, CA 93003

Group practices

Medicare enrollment lists Joseph S. Esherick as a member of these groups (CMS data updated October 2, 2026).

• County of Ventura344 clinicians in the group
• Last Frontier Healthcare District31 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Alturas

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

• James J. Helmer Jr., MD
• Jay H. Lai, MD
• Carmen E. Stellar, MD
• James E. Appel, MD
• Edward P. Richert, MD
• Landin P. Hagge, DO
• Zachary Self, MD
• Matthew Kappen, MD

All family doctors in Alturas →

Other clinicians in County of Ventura

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

• Jonathan V. Sukumar, DO
• Nathan S. Oh, DO
• Katia L. Cnop, DO
• Laura J. Murphy, DO
• George C. Chang Chien, DO
• Gregory A. Patton, 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