Darcy Stack, MS, OTRL
NPI 1679774525 · Occupational Therapist · Chicago, IL
Darcy Stack, MS, OTRL is a Occupational Therapist provider in Chicago, IL (NPI 1679774525).
Provider details
- NPI number
- 1679774525
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, OTRL
- Sex
- Female
- Sole proprietor
- No
- License
- 056.006455 (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
19 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
- 2007-05-29
- Last updated
- 2011-07-13
Frequently asked questions
- What is Darcy Stack's NPI number?
- Darcy Stack's National Provider Identifier (NPI) is 1679774525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darcy Stack's specialty?
- Darcy Stack is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Darcy Stack located?
- Darcy Stack's practice location on file with NPPES is 221 N Lasalle St, Chicago, IL 60601-1206.
- What is Darcy Stack's phone number?
- The practice phone number listed in the NPPES registry for Darcy Stack is (312) 855-9206.
- Is Darcy Stack's NPI active?
- Yes — Darcy Stack's NPI (1679774525) is active in the NPPES registry as of the last update on 2011-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.