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Catherine Mastroianni, D.C.
NPI 1609958545 · Sports Physician Chiropractor · Seattle, WA
Catherine Mastroianni, D.C. is a Sports Physician Chiropractor provider in Seattle, WA (NPI 1609958545).
Provider details
- NPI number
- 1609958545
- Entity type
- Individual
- Primary specialty
- Sports Physician ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- CH 3622 (WA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(91/100 index)
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
4413 36th Ave Ne
Seattle, WA 98105-5626
Phone: (206) 529-9443
Fax: (206) 529-9444
Street-level locationGet directions
Mailing address
4413 36th Ave Ne
Seattle, WA 98105-5626
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Catherine Mastroianni's NPI number?
- Catherine Mastroianni's National Provider Identifier (NPI) is 1609958545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Mastroianni's specialty?
- Catherine Mastroianni is listed in the NPPES registry with a primary specialty of Sports Physician Chiropractor (Chiropractic Providers).
- Where is Catherine Mastroianni located?
- Catherine Mastroianni's practice location on file with NPPES is 4413 36th Ave Ne, Seattle, WA 98105-5626.
- What is Catherine Mastroianni's phone number?
- The practice phone number listed in the NPPES registry for Catherine Mastroianni is (206) 529-9443.
- Is Catherine Mastroianni's NPI active?
- Yes — Catherine Mastroianni's NPI (1609958545) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.