Quick answers
- Does John J. Fosbinder accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Fosbinder accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John J. Fosbinder see?
- In 2024, CMS data shows 649 Original Medicare patients and 3,161 services for John J. Fosbinder. This counts Original Medicare only and measures volume, not quality.
- What is John J. Fosbinder's NPI number?
- 1619956976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for John J. Fosbinder, 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.
| Original Medicare patients | 649 |
|---|---|
| Services billed to Medicare | 3,161 |
| Different services or procedures | 72 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)873 services
- 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)303 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)287 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)221 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)176 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%
- Arthritis53%
- Diabetes43%
- Ischemic heart disease37%
- Chronic kidney disease37%
Hospitals where John J. Fosbinder works
Medicare's Facility Affiliation Data lists John J. Fosbinder 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.
- Adventist Health BakersfieldBakersfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050455
- Mission Community HospitalPanorama City, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050704
- Northern Inyo HospitalBishop, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051324
- Southern California Hospital at HollywoodHollywood, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050135
- Southern Inyo HospitalLone Pine, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051302
Practice locations
Addresses where John J. Fosbinder is enrolled with Medicare (CMS data updated October 2, 2026).
- 14662 Newport AveTustin, CA 92780 (714) 619‑7700
- 501 E Locust StLone Pine, CA 93545 (760) 876‑5501
- 510 E Locust StLone Pine, CA 93545 (760) 876‑1146
- PO Box, Suite 1009Lone Pine, CA 93545
Group practices
Medicare enrollment lists John J. Fosbinder as a member of these groups (CMS data updated October 2, 2026).
- Can Emergency Physicians Medical Group Inc45 clinicians in the group
- Southern Inyo Healthcare District22 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Tustin
Clinicians with the same Medicare primary specialty in Tustin, CA — not a recommendation.
Other clinicians in Can Emergency Physicians Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619956976 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians