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General Surgery

Bonnie B. Tulk, DO

Works at hospitals in Coupeville, WA · Washington

Summary

Dr. Bonnie B. Tulk, DO is a general surgeon at 205 S Main St A, Whidbeyhealth Surgical Care, Coupeville, WA 98239. Phone: (360) 678-6799. Accepts Medicare assignment. In 2024, Bonnie B. Tulk had 43 Original Medicare patients and 65 services. NPI 1548608706. 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: General surgeon (Medicare lists General Surgery)
  • Address: 205 S Main St A, Whidbeyhealth Surgical Care, Coupeville, WA 98239 · Directions
  • Phone: (360) 678‑6799
  • Medicare: Accepts Medicare assignment
  • Hospital: Whidbeyhealth Medical Center
  • Group practice: Whidbey Island Public Hospital District
  • Medical school: Rocky Vista University College Of Osteopathic Med · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Bonnie B. Tulk, 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 Bonnie B. Tulk accept Medicare assignment?
Yes. Medicare's clinician data says Bonnie B. Tulk 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 Bonnie B. Tulk see?
In 2024, CMS data shows 43 Original Medicare patients and 65 services for Bonnie B. Tulk. This counts Original Medicare only and measures volume, not quality.
What is Bonnie B. Tulk's NPI number?
1548608706. 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 Bonnie B. Tulk, 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 patients43
Services billed to Medicare65
Different services or procedures25
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Biopsy of large bowel using a flexible endoscope (45380)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 pressure65%
  • High cholesterol63%
  • Arthritis47%
  • Depression28%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)26%

Hospitals where Bonnie B. Tulk works

Medicare's Facility Affiliation Data lists Bonnie B. Tulk 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.

  • Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501339

Practice locations

Addresses where Bonnie B. Tulk is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Bonnie B. Tulk as a member of this group (CMS data updated October 2, 2026).

  • Whidbey Island Public Hospital District103 clinicians in the group

Specialties

Find other General Surgery doctors in Washington →

Other general surgeons in Coupeville

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

All general surgeons in Coupeville →

Other clinicians in Whidbey Island Public Hospital District

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

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548608706
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