IndividualActive
William Trowbridge, M.D.
NPI 1972603041 · General Practice Physician · Mason, MI
William Trowbridge, M.D. is a General Practice Physician provider in Mason, MI (NPI 1972603041).
Provider details
- NPI number
- 1972603041
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301030171 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
790 E Columbia St
Mason, MI 48854-1387
Phone: (616) 891-1169
Street-level locationGet directions
Mailing address
9680 Ravine Ridge Dr Se
Caledonia, MI 49316
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2010-05-04
Frequently asked questions
- What is William Trowbridge's NPI number?
- William Trowbridge's National Provider Identifier (NPI) is 1972603041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Trowbridge's specialty?
- William Trowbridge is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Trowbridge located?
- William Trowbridge's practice location on file with NPPES is 790 E Columbia St, Mason, MI 48854-1387.
- What is William Trowbridge's phone number?
- The practice phone number listed in the NPPES registry for William Trowbridge is (616) 891-1169.
- Is William Trowbridge's NPI active?
- Yes — William Trowbridge's NPI (1972603041) is active in the NPPES registry as of the last update on 2010-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.