Colleen Duffin, M.S. CCC-SLP
NPI 1699006163 · Speech-Language Pathologist · Chicago, IL
Colleen Duffin, M.S. CCC-SLP is a Speech-Language Pathologist provider in Chicago, IL (NPI 1699006163).
Provider details
- NPI number
- 1699006163
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 146003846 (IL)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-01-24
- Last updated
- 2010-01-24
Frequently asked questions
- What is Colleen Duffin's NPI number?
- Colleen Duffin's National Provider Identifier (NPI) is 1699006163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Duffin's specialty?
- Colleen Duffin is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Colleen Duffin located?
- Colleen Duffin's practice location on file with NPPES is 1460 N Sandburg Ter, Chicago, IL 60610-8514.
- What is Colleen Duffin's phone number?
- The practice phone number listed in the NPPES registry for Colleen Duffin is (312) 573-1988.
- Is Colleen Duffin's NPI active?
- Yes — Colleen Duffin's NPI (1699006163) is active in the NPPES registry as of the last update on 2010-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.