IndividualActive
William Henderson
NPI 1770436206 · Mental Health Counselor · Calverton, MD
William Henderson is a Mental Health Counselor provider in Calverton, MD (NPI 1770436206).
Provider details
- NPI number
- 1770436206
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
3901 Calverton Blvd Ste 250
Calverton, MD 20705-3407
Phone: (240) 618-3149
Street-level locationGet directions
Mailing address
3901 Calverton Blvd Ste 250
Calverton, MD 20705-3407
Registry dates
- Enumerated
- 2026-02-16
- Last updated
- 2026-02-16
- Certified
- 2026-02-16
Frequently asked questions
- What is William Henderson's NPI number?
- William Henderson's National Provider Identifier (NPI) is 1770436206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Henderson's specialty?
- William Henderson is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Henderson located?
- William Henderson's practice location on file with NPPES is 3901 Calverton Blvd Ste 250, Calverton, MD 20705-3407.
- What is William Henderson's phone number?
- The practice phone number listed in the NPPES registry for William Henderson is (240) 618-3149.
- Is William Henderson's NPI active?
- Yes — William Henderson's NPI (1770436206) is active in the NPPES registry as of the last update on 2026-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.