Mary Hamm
NPI 1659886661 · Occupational Therapy Assistant · Frankfort, IL
Mary Hamm is a Occupational Therapy Assistant provider in Frankfort, IL (NPI 1659886661).
Provider details
- NPI number
- 1659886661
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- No
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 20027 S 88th AveFrankfort, IL 60423-8551Phone: (815) 464-2230
Registry dates
- Enumerated
- 2017-12-13
- Last updated
- 2018-03-17
Frequently asked questions
- What is Mary Hamm's NPI number?
- Mary Hamm's National Provider Identifier (NPI) is 1659886661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hamm's specialty?
- Mary Hamm is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Hamm located?
- Mary Hamm's practice location on file with NPPES is 20027 S 88th Ave, Frankfort, IL 60423-8551.
- What is Mary Hamm's phone number?
- The practice phone number listed in the NPPES registry for Mary Hamm is (815) 464-2230.
- Is Mary Hamm's NPI active?
- Yes — Mary Hamm's NPI (1659886661) 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.