Quick answers
- Does Joseph F. Czvik accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph F. Czvik 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 Joseph F. Czvik see?
- In 2024, CMS data shows 140 Original Medicare patients and 1,409 services for Joseph F. Czvik. This counts Original Medicare only and measures volume, not quality.
- What is Joseph F. Czvik's NPI number?
- 1528084340. 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 Joseph F. Czvik, 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 | 140 |
|---|---|
| Services billed to Medicare | 1,409 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)920 services
- Insertion of needle into vein for collection of blood sample (36415)109 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)103 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)92 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)55 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%
- High blood pressure64%
- Diabetes51%
- Arthritis50%
- Chronic kidney disease26%
- Ischemic heart disease23%
Hospitals where Joseph F. Czvik works
Medicare's Facility Affiliation Data lists Joseph F. Czvik 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.
- Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128
Practice locations
Addresses where Joseph F. Czvik is enrolled with Medicare (CMS data updated October 2, 2026).
- 1635 Lake San Marcos Dr, Suite 202San Marcos, CA 92078 (760) 471‑1020
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Marcos
Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528084340 |
| 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