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Mark Karpel, PH.D.
NPI 1225195357 · Clinical Psychologist · Northampton, MA
Mark Karpel, PH.D. is a Clinical Psychologist provider in Northampton, MA (NPI 1225195357).
Provider details
- NPI number
- 1225195357
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2050 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
277 Main St
Northampton, MA 01060-3171
Phone: (413) 584-2617
Fax: (413) 586-4026
Street-level locationGet directions
Mailing address
125 Prospect St
Northampton, MA 01060-2165
Registry dates
- Enumerated
- 2007-01-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Karpel's NPI number?
- Mark Karpel's National Provider Identifier (NPI) is 1225195357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Karpel's specialty?
- Mark Karpel is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Karpel located?
- Mark Karpel's practice location on file with NPPES is 277 Main St, Northampton, MA 01060-3171.
- What is Mark Karpel's phone number?
- The practice phone number listed in the NPPES registry for Mark Karpel is (413) 584-2617.
- Is Mark Karpel's NPI active?
- Yes — Mark Karpel's NPI (1225195357) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.