Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Jonathan W. Grymaloski, MD

Sees patients in Bellingham, WA · Everson, WA · Washington

Summary

Jonathan W. Grymaloski, MD (Family Practice) is enrolled with Medicare at 2 practice locations in Bellingham, WA and Everson, WA. NPI 1790782209. 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 Jonathan W. Grymaloski, 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
40Years since medical school (graduated 1986)
MaleGender (as listed)
Sea Mar Community Health CentersGroup practice

Quick answers

Where does Jonathan W. Grymaloski see patients?
Medicare's clinician data lists 2 practice locations, including Bellingham, WA and Everson, WA. Call before your visit to confirm the address.
What is Jonathan W. Grymaloski's specialty?
Medicare lists Family Practice as the primary specialty.
Does Jonathan W. Grymaloski accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan W. Grymaloski 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 Jonathan W. Grymaloski?
(360) 671-3225, as listed in official Medicare / NPI Registry data.
What is Jonathan W. Grymaloski's NPI number?
1790782209. 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 Jonathan W. Grymaloski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jonathan W. Grymaloski as a member of this group (CMS data updated 2026-10-02).

  • Sea Mar Community Health Centers230 clinicians in the group

Specialties

Find other Family Practice doctors in Washington →

Other family doctors in Bellingham

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

All family doctors in Bellingham →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790782209
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