Timothy Marks, OTR/L
NPI 1821583188 · Occupational Therapist · Madison, WI
Timothy Marks, OTR/L is a Occupational Therapist provider in Madison, WI (NPI 1821583188).
Provider details
- NPI number
- 1821583188
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- No
- License
- 396437 (WI)
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
7 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
- 2018-06-28
- Last updated
- 2018-06-28
Frequently asked questions
- What is Timothy Marks's NPI number?
- Timothy Marks's National Provider Identifier (NPI) is 1821583188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Marks's specialty?
- Timothy Marks is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Timothy Marks located?
- Timothy Marks's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-0001.
- What is Timothy Marks's phone number?
- The practice phone number listed in the NPPES registry for Timothy Marks is (608) 263-6400.
- Is Timothy Marks's NPI active?
- Yes — Timothy Marks's NPI (1821583188) is active in the NPPES registry as of the last update on 2018-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.