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Family Practice

Jason M. Grosdidier, MD

Works at hospitals in Wenatchee, WA · Washington

Summary

Dr. Jason M. Grosdidier, MD is a family doctor at 1201 S Miller St, Wenatchee, WA 98801. Phone: (509) 662-2208. Accepts Medicare assignment. In 2024, Jason M. Grosdidier had 102 Original Medicare patients and 138 services. NPI 1972534832. 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.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1201 S Miller St, Wenatchee, WA 98801 · Directions
  • Phone: (509) 662‑2208
  • Medicare: Accepts Medicare assignment
  • Hospital: Confluence Health Hospital
  • Group practice: Central Washington Health Services Association
  • Medical school: University Of South Carolina School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jason M. Grosdidier, 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 Jason M. Grosdidier accept Medicare assignment?
Yes. Medicare's clinician data says Jason M. Grosdidier 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 Jason M. Grosdidier see?
In 2024, CMS data shows 102 Original Medicare patients and 138 services for Jason M. Grosdidier. This counts Original Medicare only and measures volume, not quality.
What is Jason M. Grosdidier's NPI number?
1972534832. 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 Jason M. Grosdidier, 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 patients102
Services billed to Medicare138
Different services or procedures33
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. X-ray of chest, 2 views (71046)25 services
  2. Testing for presence of drug, read by direct observation (80305)14 services
  3. Automated urinalysis test (81003)12 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 pressure69%
  • High cholesterol66%
  • Arthritis46%
  • Diabetes25%
  • Chronic kidney disease23%
  • Depression22%

Hospitals where Jason M. Grosdidier works

Medicare's Facility Affiliation Data lists Jason M. Grosdidier 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.

  • Confluence Health HospitalWenatchee, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500016

Practice locations

Addresses where Jason M. Grosdidier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jason M. Grosdidier as a member of this group (CMS data updated October 2, 2026).

  • Central Washington Health Services Association721 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Wenatchee

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

All family doctors in Wenatchee →

Other clinicians in Central Washington Health Services Association

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972534832
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