What is William Hannay's NPI number?

William Hannay's National Provider Identifier (NPI) is 1093240582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Hannay's specialty?

William Hannay is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).

Where is William Hannay located?

William Hannay's practice location on file with NPPES is 4011 Talbot Rd S Ste 300, Renton, WA 98055-5791.

What is William Hannay's phone number?

The practice phone number listed in the NPPES registry for William Hannay is (425) 656-5060.

Does William Hannay accept Medicare?

William Hannay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is William Hannay's NPI active?

Yes — William Hannay's NPI (1093240582) is active in the NPPES registry as of the last update on 2023-09-27.

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William Hannay, M.D.

NPI 1093240582 · Orthopaedic Surgery Physician · Renton, WA

Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

William Hannay, M.D. is a Orthopaedic Surgery Physician provider in Renton, WA (NPI 1093240582).

Provider details

NPI number: 1093240582
Entity type: Individual
Primary specialty: Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: A175934 (CA)

Specialties & taxonomies

Orthopaedic Surgery PhysicianPrimary207X00000XLicense MD61436981 (WA)
Allopathic & Osteopathic Physicians
Orthopaedic Surgery Physician207X00000XLicense A175934 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(67/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
9 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
6 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
427 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	108	$142
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	70	$101
X-Ray of Shoulder, Minimum of 2 Views73030	47	$41
Aspiration And/Or Injection of Fluid From Large Joint20610	42	$78
X-Ray of Knee, 4 Or More Views73564	35	$56
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$44 across 2 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Practice location

4011 Talbot Rd S Ste 300

Renton, WA 98055-5791

Phone: (425) 656-5060

Fax: (425) 656-5047

Street-level locationGet directions

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Mailing address