Janet Trowbridge, M.D., PH.D.
NPI 1912017914 · Dermatology Physician · Longview, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Trowbridge, M.D., PH.D. is a Dermatology Physician provider in Longview, WA (NPI 1912017914).
Provider details
- NPI number
- 1912017914
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD00047047 (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
- 2006-08-30
- Last updated
- 2020-07-06
- Certified
- 2020-07-06
Frequently asked questions
- What is Janet Trowbridge's NPI number?
- Janet Trowbridge's National Provider Identifier (NPI) is 1912017914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Trowbridge's specialty?
- Janet Trowbridge is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Trowbridge located?
- Janet Trowbridge's practice location on file with NPPES is 1615 Delaware St, Longview, WA 98632-2367.
- What is Janet Trowbridge's phone number?
- The practice phone number listed in the NPPES registry for Janet Trowbridge is (360) 501-3547.
- Does Janet Trowbridge accept Medicare?
- Janet Trowbridge is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Trowbridge's NPI active?
- Yes — Janet Trowbridge's NPI (1912017914) is active in the NPPES registry as of the last update on 2020-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.