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Internal Medicine

Vlastimil Calayan

Works at hospitals in Sunnyside, WA · Toppenish, WA · Yakima, WA · Washington

Summary

Vlastimil Calayan (Internal Medicine) is listed by Medicare at 3 hospitals in Sunnyside, WA, Toppenish, WA and Yakima, WA. NPI 1073757118. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Vlastimil Calayan, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
MaleGender (as listed)
Yakima Valley Farm Workers ClinicGroup practice

Quick answers

Which hospitals does Vlastimil Calayan work at?
Medicare's official clinician data lists Vlastimil Calayan at 3 hospitals: Astria Sunnyside Hospital, Astria Toppenish Hospital and Yakima Valley Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Vlastimil Calayan see patients?
Medicare's clinician data lists 2 practice locations, including Toppenish, WA and Wapato, WA. Call before your visit to confirm the address.
What is Vlastimil Calayan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Vlastimil Calayan accept Medicare assignment?
Yes. Medicare's clinician data says Vlastimil Calayan 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 Vlastimil Calayan?
(509) 865-5600, as listed in official Medicare / NPI Registry data.
What is Vlastimil Calayan's NPI number?
1073757118. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Vlastimil Calayan works

Medicare's Facility Affiliation Data lists Vlastimil Calayan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

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

  • Yakima Valley Farm Workers Clinic273 clinicians in the group

Specialties

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Toppenish

Clinicians with the same Medicare primary specialty in Toppenish, WA — not a recommendation.

All internal medicine doctors in Toppenish →

Clinician information

Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073757118
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians