Jack Seifert, L.M.P.
NPI 1427263540 · Massage Therapist · Seattle, WA
Jack Seifert, L.M.P. is a Massage Therapist provider in Seattle, WA (NPI 1427263540).
Provider details
- NPI number
- 1427263540
- Entity type
- Individual
- Primary specialty
- Massage TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- L.M.P.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA00006878 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
- 2007-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jack Seifert's NPI number?
- Jack Seifert's National Provider Identifier (NPI) is 1427263540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Seifert's specialty?
- Jack Seifert is listed in the NPPES registry with a primary specialty of Massage Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Jack Seifert located?
- Jack Seifert's practice location on file with NPPES is 9234 9th Ave Nw, Seattle, WA 98117-2219.
- What is Jack Seifert's phone number?
- The practice phone number listed in the NPPES registry for Jack Seifert is (206) 789-1020.
- Is Jack Seifert's NPI active?
- Yes — Jack Seifert's NPI (1427263540) 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.