Quick answers
- Does Robert Matiasevich Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Matiasevich Jr. 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 Robert Matiasevich Jr. see?
- In 2024, CMS data shows 37 Original Medicare patients and 182 services for Robert Matiasevich Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Robert Matiasevich Jr.'s NPI number?
- 1598805996. 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 Robert Matiasevich Jr., 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 | 37 |
|---|---|
| Services billed to Medicare | 182 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Ct scan of face without contrast (70486)28 services
- 3d radiographic procedure (76376)27 services
- Removal of face bone (21026)26 services
- X-ray of lower jaws, upper jaws and teeth (70355)14 services
- Impression and custom preparation of temporary oral prosthesis (21079)13 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 cholesterol59%
- High blood pressure49%
- Arthritis43%
Practice locations
Addresses where Robert Matiasevich Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1775 Dominican WaySanta Cruz, CA 95065 (831) 476‑7272
Specialties
- Oral Surgeryprimary
Other oral surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DDS |
|---|---|
| Dental school | Herman Ostrow School Of Dentistry Of Usc |
| Graduation year | 1997 (29 years since dental school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598805996 |
| 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
- 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