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Family Practice

Ilona Letmanyi, MD

Sees patients in Santa Cruez, CA · California

Summary

Ilona Letmanyi, MD (Family Practice) is enrolled with Medicare at 1 practice location in Santa Cruez, CA. NPI 1265631766. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ilona Letmanyi, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
20Years since medical school (graduated 2006)
Saint Louis University School Of MedicineMedical school
FemaleGender (as listed)
Sutter Bay Medical FoundationGroup practice

Quick answers

Where does Ilona Letmanyi see patients?
Medicare's clinician data lists 1 practice location in Santa Cruez, CA. Call before your visit to confirm the address.
What is Ilona Letmanyi's specialty?
Medicare lists Family Practice as the primary specialty.
Does Ilona Letmanyi accept Medicare assignment?
Yes. Medicare's clinician data says Ilona Letmanyi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ilona Letmanyi?
(831) 423-4111, as listed in official Medicare / NPI Registry data.
What is Ilona Letmanyi's NPI number?
1265631766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Ilona Letmanyi is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ilona Letmanyi as a member of this group (CMS data updated 2026-10-02).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Santa Cruez

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

All family doctors in Santa Cruez →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1265631766
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians