OrganizationActive
Michael A. Thomson
NPI 1740475417 · Specialist · Castleton, NY
Michael A. Thomson is a Specialist organization in Castleton, NY (NPI 1740475417).
Provider details
- NPI number
- 1740475417
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Michael Thomson, M.D.(518) 477-2615
- License
- 150911 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
77 Miller Rd
Suite 201
Castleton, NY 12033-4022
Phone: (518) 477-2615
Street-level locationGet directions
Mailing address
77 Miller Rd
Castleton, NY 12033-4022
Other names (DBA / former)
- Doing business as
- Greenbush Internal Medicine
Registry dates
- Enumerated
- 2007-09-06
- Last updated
- 2008-06-26
Frequently asked questions
- What is Michael A. Thomson's NPI number?
- Michael A. Thomson's National Provider Identifier (NPI) is 1740475417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael A. Thomson?
- Michael A. Thomson is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Michael A. Thomson located?
- Michael A. Thomson's practice location on file with NPPES is 77 Miller Rd, Castleton, NY 12033-4022.
- What is Michael A. Thomson's phone number?
- The practice phone number listed in the NPPES registry for Michael A. Thomson is (518) 477-2615.
- Who is the authorized official for Michael A. Thomson?
- The authorized official listed on Michael A. Thomson's NPPES record is Michael Thomson, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael A. Thomson's NPI active?
- Yes — Michael A. Thomson's NPI (1740475417) is active in the NPPES registry as of the last update on 2008-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.