IndividualActive
Jonah Bayer
NPI 1235809096 · Mental Health Counselor · Williamstown, MA
Jonah Bayer is a Mental Health Counselor provider in Williamstown, MA (NPI 1235809096).
Provider details
- NPI number
- 1235809096
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- LMHC10003468 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
105 Harrison Ave
Williamstown, MA 01267-2237
Phone: (413) 599-3420
Street-level locationGet directions
Mailing address
700 Main St Suite 1 #1011
Great Barrington, MA 01230
Registry dates
- Enumerated
- 2021-09-14
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is Jonah Bayer's NPI number?
- Jonah Bayer's National Provider Identifier (NPI) is 1235809096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonah Bayer's specialty?
- Jonah Bayer is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Jonah Bayer located?
- Jonah Bayer's practice location on file with NPPES is 105 Harrison Ave, Williamstown, MA 01267-2237.
- What is Jonah Bayer's phone number?
- The practice phone number listed in the NPPES registry for Jonah Bayer is (413) 599-3420.
- Is Jonah Bayer's NPI active?
- Yes — Jonah Bayer's NPI (1235809096) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.