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Internal Medicine

Szilvia Molitorisz, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · Antioch, CA … · California

Summary

Dr. Szilvia Molitorisz, MD is an internal medicine doctor at 365 Lennon Ln, Suite 200, Walnut Creek, CA 94598. Phone: (925) 947-2334. Accepts Medicare assignment. In 2024, Szilvia Molitorisz had 520 Original Medicare patients and 2,789 services. NPI 1295806289. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Szilvia Molitorisz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Szilvia Molitorisz accept Medicare assignment?
Yes. Medicare's clinician data says Szilvia Molitorisz 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 Szilvia Molitorisz see?
In 2024, CMS data shows 520 Original Medicare patients and 2,789 services for Szilvia Molitorisz. This counts Original Medicare only and measures volume, not quality.
What is Szilvia Molitorisz's NPI number?
1295806289. 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 Szilvia Molitorisz, 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 patients520
Services billed to Medicare2,789
Different services or procedures21
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,107 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)234 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)45 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)18 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%
  • Diabetes58%
  • Chronic kidney disease58%
  • Arthritis50%
  • Heart failure50%

Hospitals where Szilvia Molitorisz works

Medicare's Facility Affiliation Data lists Szilvia Molitorisz 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.

Practice locations

Addresses where Szilvia Molitorisz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Szilvia Molitorisz as a member of this group (CMS data updated October 2, 2026).

  • Bass Medical Group291 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Walnut Creek

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

All internal medicine doctors in Walnut Creek →

Other clinicians in Bass Medical Group

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

Clinician information

CredentialMD
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295806289
CorrectionsReport 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

  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