Wendy Johnston, LCSW-C
NPI 1689995680 · Clinical Social Worker · Chevy Chase, MD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Johnston, LCSW-C is a Clinical Social Worker provider in Chevy Chase, MD (NPI 1689995680).
Provider details
- NPI number
- 1689995680
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15890 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 3727 Sunny Meadow Ln NeBolivia, NC 28422-7004Phone: (240) 920-8995
- 220 5th Ave Fl 11New York, NY 10001-8017Phone: (212) 564-0480Fax: (833) 464-5059
Registry dates
- Enumerated
- 2010-06-14
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Wendy Johnston's NPI number?
- Wendy Johnston's National Provider Identifier (NPI) is 1689995680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Johnston's specialty?
- Wendy Johnston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Wendy Johnston located?
- Wendy Johnston's practice location on file with NPPES is 4445 Willard Ave Ste 600, Chevy Chase, MD 20815-3786.
- What is Wendy Johnston's phone number?
- The practice phone number listed in the NPPES registry for Wendy Johnston is (212) 564-0480.
- Does Wendy Johnston accept Medicare?
- Wendy Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Johnston's NPI active?
- Yes — Wendy Johnston's NPI (1689995680) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.