Karen Duffy, CCC-SLP
NPI 1861064933 · Speech-Language Pathologist · Grand Rapids, MI
Karen Duffy, CCC-SLP is a Speech-Language Pathologist provider in Grand Rapids, MI (NPI 1861064933).
Provider details
- NPI number
- 1861064933
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7101003220 (MI)
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
4 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
- 2021-07-16
- Last updated
- 2021-07-16
- Certified
- 2021-07-16
Frequently asked questions
- What is Karen Duffy's NPI number?
- Karen Duffy's National Provider Identifier (NPI) is 1861064933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Duffy's specialty?
- Karen Duffy is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Karen Duffy located?
- Karen Duffy's practice location on file with NPPES is 100 Michigan St Ne, Grand Rapids, MI 49503-2560.
- What is Karen Duffy's phone number?
- The practice phone number listed in the NPPES registry for Karen Duffy is (616) 352-0274.
- Is Karen Duffy's NPI active?
- Yes — Karen Duffy's NPI (1861064933) is active in the NPPES registry as of the last update on 2021-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.