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Certified Nurse Midwife (CNM)

Hallie A. Granville, CNM

Sees patients in Marysville, WA · Mukilteo, WA · Washington

Summary

Hallie A. Granville, CNM is a nurse midwife at 11603 State Ave, Suite G, Marysville, WA 98271. Phone: (360) 658-6800. Accepts Medicare assignment. NPI 1649814658. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse midwife (Medicare lists Certified Nurse Midwife (CNM))
  • Address: 11603 State Ave, Suite G, Marysville, WA 98271 · Directions (1 more location)
  • Phone: (360) 658‑6800
  • Medicare: Accepts Medicare assignment
  • Group practice: Providence Health and Services- Washington
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Hallie A. Granville, 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 Hallie A. Granville accept Medicare assignment?
Yes. Medicare's clinician data says Hallie A. Granville 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.
What is Hallie A. Granville's NPI number?
1649814658. 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 Hallie A. Granville is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hallie A. Granville as a member of this group (CMS data updated October 2, 2026).

  • Providence Health and Services- Washington529 clinicians in the group

Specialties

Find other clinicians: Certified Nurse Midwife (CNM), Washington →

Other nurse midwifes in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All nurse midwifes in Washington →

Other clinicians in Providence Health and Services- Washington

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

Clinician information

CredentialCNM
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649814658
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 October 2, 2026, retrieved October 29, 2026
  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