Mary Sung, M.S.
NPI 1205103629 · Occupational Therapist · Lake Zurich, IL
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Sung, M.S. is a Occupational Therapist provider in Lake Zurich, IL (NPI 1205103629).
Provider details
- NPI number
- 1205103629
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- M.S.
- Sex
- Female
- Sole proprietor
- No
- License
- 056.003037 (IL)
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
14 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
- 2011-11-30
- Last updated
- 2011-11-30
Frequently asked questions
- What is Mary Sung's NPI number?
- Mary Sung's National Provider Identifier (NPI) is 1205103629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sung's specialty?
- Mary Sung is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Sung located?
- Mary Sung's practice location on file with NPPES is 900 S Rand Rd, Lake Zurich, IL 60047-2450.
- What is Mary Sung's phone number?
- The practice phone number listed in the NPPES registry for Mary Sung is (847) 296-1200.
- Does Mary Sung accept Medicare?
- Mary Sung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Sung's NPI active?
- Yes — Mary Sung's NPI (1205103629) is active in the NPPES registry as of the last update on 2011-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.