IndividualActive
William Sandke
NPI 1396637203 · Mental Health Counselor · Boston, MA
William Sandke is a Mental Health Counselor provider in Boston, MA (NPI 1396637203).
Provider details
- NPI number
- 1396637203
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 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
72-74 East Dedham St.
Boston, MA 02118
Phone: (617) 267-3700
Street-level locationGet directions
Mailing address
136 Arborway Apt 5
Jamaica Plain, MA 02130-3521
Registry dates
- Enumerated
- 2025-07-16
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is William Sandke's NPI number?
- William Sandke's National Provider Identifier (NPI) is 1396637203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sandke's specialty?
- William Sandke is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Sandke located?
- William Sandke's practice location on file with NPPES is 72-74 East Dedham St., Boston, MA 02118.
- What is William Sandke's phone number?
- The practice phone number listed in the NPPES registry for William Sandke is (617) 267-3700.
- Is William Sandke's NPI active?
- Yes — William Sandke's NPI (1396637203) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.