James Holtslag, MOTR/L
NPI 1598268385 · Occupational Therapist · Clarkston, MI
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Holtslag, MOTR/L is a Occupational Therapist provider in Clarkston, MI (NPI 1598268385).
Provider details
- NPI number
- 1598268385
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MOTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5201008129 (MI)
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 tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,917 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 1,496 | $21 |
| Therapy Procedure Using Functional Activities97530 | 1,045 | $31 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 726 | $23 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 384 | $25 |
| Evaluation for Wheelchair, Each 15 Minutes97542 | 129 | $23 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 80 | $20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-17
- Last updated
- 2018-03-17
Frequently asked questions
- What is James Holtslag's NPI number?
- James Holtslag's National Provider Identifier (NPI) is 1598268385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Holtslag's specialty?
- James Holtslag is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is James Holtslag located?
- James Holtslag's practice location on file with NPPES is 5342 Heath Ave, Clarkston, MI 48346-3533.
- What is James Holtslag's phone number?
- The practice phone number listed in the NPPES registry for James Holtslag is (248) 765-1376.
- Does James Holtslag accept Medicare?
- James Holtslag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Holtslag's NPI active?
- Yes — James Holtslag's NPI (1598268385) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.