Daniel Greer
NPI 1073834495 · Addiction (Substance Use Disorder) Counselor · Chelsea, MA
Daniel Greer is a Addiction (Substance Use Disorder) Counselor provider in Chelsea, MA (NPI 1073834495).
Provider details
- NPI number
- 1073834495
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 6083 (MA)
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
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
- 2010-06-21
- Last updated
- 2010-06-21
Frequently asked questions
- What is Daniel Greer's NPI number?
- Daniel Greer's National Provider Identifier (NPI) is 1073834495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Greer's specialty?
- Daniel Greer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Daniel Greer located?
- Daniel Greer's practice location on file with NPPES is 175 Crescent Ave, Chelsea, MA 02150-3009.
- What is Daniel Greer's phone number?
- The practice phone number listed in the NPPES registry for Daniel Greer is (617) 889-8779.
- Is Daniel Greer's NPI active?
- Yes — Daniel Greer's NPI (1073834495) is active in the NPPES registry as of the last update on 2010-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.