Michael Dieffenbach, LMHC
NPI 1164811782 · Mental Health Counselor · Brighton, MA
Michael Dieffenbach, LMHC is a Mental Health Counselor provider in Brighton, MA (NPI 1164811782).
Provider details
- NPI number
- 1164811782
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- 9075 (MA)
Specialties & taxonomies
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
11 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
- 2015-01-20
- Last updated
- 2015-01-20
Frequently asked questions
- What is Michael Dieffenbach's NPI number?
- Michael Dieffenbach's National Provider Identifier (NPI) is 1164811782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Dieffenbach's specialty?
- Michael Dieffenbach is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Dieffenbach located?
- Michael Dieffenbach's practice location on file with NPPES is 1710 Commonwealth Ave Apt 3, Brighton, MA 02135-5624.
- What is Michael Dieffenbach's phone number?
- The practice phone number listed in the NPPES registry for Michael Dieffenbach is (617) 833-8106.
- Is Michael Dieffenbach's NPI active?
- Yes — Michael Dieffenbach's NPI (1164811782) is active in the NPPES registry as of the last update on 2015-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.