IndividualActive
Mark Seymour, MSW
NPI 1215957907 · Social Worker · Madison, WI
Mark Seymour, MSW is a Social Worker provider in Madison, WI (NPI 1215957907).
Provider details
- NPI number
- 1215957907
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 2159 (WI)
Specialties & taxonomies
Behavioral Health & Social Service 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
675 W Washington Ave
Madison, WI 53703-2637
Phone: (608) 257-9700
Street-level locationGet directions
Mailing address
1265 John Q Hammons Dr
Madison, WI 53717-1941
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Seymour's NPI number?
- Mark Seymour's National Provider Identifier (NPI) is 1215957907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Seymour's specialty?
- Mark Seymour is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Seymour located?
- Mark Seymour's practice location on file with NPPES is 675 W Washington Ave, Madison, WI 53703-2637.
- What is Mark Seymour's phone number?
- The practice phone number listed in the NPPES registry for Mark Seymour is (608) 257-9700.
- Is Mark Seymour's NPI active?
- Yes — Mark Seymour's NPI (1215957907) 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.