Jessica Grammatikakis
NPI 1508164716 · Mental Health Counselor · Worcester, MA
Jessica Grammatikakis is a Mental Health Counselor provider in Worcester, MA (NPI 1508164716).
Provider details
- NPI number
- 1508164716
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
15 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
Mailing address
Registry dates
- Enumerated
- 2011-03-11
- Last updated
- 2021-09-13
- Certified
- 2021-08-27
Frequently asked questions
- What is Jessica Grammatikakis's NPI number?
- Jessica Grammatikakis's National Provider Identifier (NPI) is 1508164716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Grammatikakis's specialty?
- Jessica Grammatikakis is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Jessica Grammatikakis located?
- Jessica Grammatikakis's practice location on file with NPPES is 340 Main St, Worcester, MA 01608-1604.
- What is Jessica Grammatikakis's phone number?
- The practice phone number listed in the NPPES registry for Jessica Grammatikakis is (508) 791-4976.
- Is Jessica Grammatikakis's NPI active?
- Yes — Jessica Grammatikakis's NPI (1508164716) is active in the NPPES registry as of the last update on 2021-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.