Cheryl Duffy-Williams, LCSW-C
NPI 1841473436 · Clinical Social Worker · Elkridge, MD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cheryl Duffy-Williams, LCSW-C is a Clinical Social Worker provider in Elkridge, MD (NPI 1841473436).
Provider details
- NPI number
- 1841473436
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11566 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-12-06
- Last updated
- 2016-07-13
Frequently asked questions
- What is Cheryl Duffy-Williams's NPI number?
- Cheryl Duffy-Williams's National Provider Identifier (NPI) is 1841473436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Duffy-Williams's specialty?
- Cheryl Duffy-Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Cheryl Duffy-Williams located?
- Cheryl Duffy-Williams's practice location on file with NPPES is 8108 Sunrise Ln, Elkridge, MD 21075-6480.
- What is Cheryl Duffy-Williams's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Duffy-Williams is (443) 374-7428.
- Does Cheryl Duffy-Williams accept Medicare?
- Cheryl Duffy-Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cheryl Duffy-Williams's NPI active?
- Yes — Cheryl Duffy-Williams's NPI (1841473436) is active in the NPPES registry as of the last update on 2016-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.