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Mark Griffin
NPI 1457531915 · Mental Health Counselor · Worcester, MA
Mark Griffin is a Mental Health Counselor provider in Worcester, MA (NPI 1457531915).
Provider details
- NPI number
- 1457531915
- 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
Detailed profile(82/100 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
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
340 Main St
Suite 383
Worcester, MA 01608-1604
Phone: (508) 791-4976
Fax: (508) 791-6723
Street-level locationGet directions
Mailing address
3 Old Charter Rd
Marlborough, MA 01752-2322
Registry dates
- Enumerated
- 2007-11-13
- Last updated
- 2007-11-13
Frequently asked questions
- What is Mark Griffin's NPI number?
- Mark Griffin's National Provider Identifier (NPI) is 1457531915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Griffin's specialty?
- Mark Griffin is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Griffin located?
- Mark Griffin's practice location on file with NPPES is 340 Main St, Worcester, MA 01608-1604.
- What is Mark Griffin's phone number?
- The practice phone number listed in the NPPES registry for Mark Griffin is (508) 791-4976.
- Is Mark Griffin's NPI active?
- Yes — Mark Griffin's NPI (1457531915) is active in the NPPES registry as of the last update on 2007-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.