William Mondzac, M.D.
NPI 1033262464 · Anesthesiology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mondzac, M.D. is a Anesthesiology Physician provider in Seattle, WA (NPI 1033262464).
Provider details
- NPI number
- 1033262464
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00031202 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2008-04-14
Frequently asked questions
- What is William Mondzac's NPI number?
- William Mondzac's National Provider Identifier (NPI) is 1033262464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mondzac's specialty?
- William Mondzac is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Mondzac located?
- William Mondzac's practice location on file with NPPES is 1229 Madison St., Seattle, WA 98104-3538.
- What is William Mondzac's phone number?
- The practice phone number listed in the NPPES registry for William Mondzac is (206) 625-0578.
- Does William Mondzac accept Medicare?
- William Mondzac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mondzac's NPI active?
- Yes — William Mondzac's NPI (1033262464) is active in the NPPES registry as of the last update on 2008-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.