Mareen Itty, MOT
NPI 1821445404 · Occupational Therapist · Gurnee, IL
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mareen Itty, MOT is a Occupational Therapist provider in Gurnee, IL (NPI 1821445404).
Provider details
- NPI number
- 1821445404
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MOT
- Sex
- Female
- Sole proprietor
- No
- License
- 056011389 (IL)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,093 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 Manual Technique, Each 15 Minutes97140 | 365 | $21 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 318 | $24 |
| Therapy Procedure Using Functional Activities97530 | 263 | $28 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 111 | $96 |
| Application of Ultrasound, Each 15 Minutes97035 | 36 | $10 |
Typical Medicare-allowed amounts for these services range $10–$96 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 13400 E Shea BlvdScottsdale, AZ 85259-5452Phone: (480) 301-8000
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2020-10-20
- Certified
- 2020-10-20
Frequently asked questions
- What is Mareen Itty's NPI number?
- Mareen Itty's National Provider Identifier (NPI) is 1821445404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mareen Itty's specialty?
- Mareen Itty is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mareen Itty located?
- Mareen Itty's practice location on file with NPPES is 350 S Greenleaf St, Gurnee, IL 60031-5709.
- What is Mareen Itty's phone number?
- The practice phone number listed in the NPPES registry for Mareen Itty is (847) 596-7640.
- Does Mareen Itty accept Medicare?
- Mareen Itty is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mareen Itty's NPI active?
- Yes — Mareen Itty's NPI (1821445404) is active in the NPPES registry as of the last update on 2020-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.