IndividualActive
William Leonard, PSY.D.
NPI 1558542480 · Psychologist · Chestertown, MD
William Leonard, PSY.D. is a Psychologist provider in Chestertown, MD (NPI 1558542480).
Provider details
- NPI number
- 1558542480
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 04419 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
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
6602 Church Hill Road
Ste. 500
Chestertown, MD 21620
Phone: (410) 778-5550
Fax: (410) 778-0984
Street-level locationGet directions
Mailing address
6602 Church Hill Road
Chestertown, MD 21620
Registry dates
- Enumerated
- 2007-11-20
- Last updated
- 2007-11-20
Frequently asked questions
- What is William Leonard's NPI number?
- William Leonard's National Provider Identifier (NPI) is 1558542480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Leonard's specialty?
- William Leonard is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Leonard located?
- William Leonard's practice location on file with NPPES is 6602 Church Hill Road, Chestertown, MD 21620.
- What is William Leonard's phone number?
- The practice phone number listed in the NPPES registry for William Leonard is (410) 778-5550.
- Is William Leonard's NPI active?
- Yes — William Leonard's NPI (1558542480) is active in the NPPES registry as of the last update on 2007-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.