Gregory Karsner, NP
NPI 1205650207 · Nurse Practitioner · Plymouth, MA
Gregory Karsner, NP is a Nurse Practitioner provider in Plymouth, MA (NPI 1205650207).
Provider details
- NPI number
- 1205650207
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- RN2339790 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-11-14
- Last updated
- 2024-11-14
- Certified
- 2024-11-14
Frequently asked questions
- What is Gregory Karsner's NPI number?
- Gregory Karsner's National Provider Identifier (NPI) is 1205650207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Karsner's specialty?
- Gregory Karsner is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Karsner located?
- Gregory Karsner's practice location on file with NPPES is 113 Standish Ave, Plymouth, MA 02360-4126.
- What is Gregory Karsner's phone number?
- The practice phone number listed in the NPPES registry for Gregory Karsner is (774) 249-2835.
- Is Gregory Karsner's NPI active?
- Yes — Gregory Karsner's NPI (1205650207) is active in the NPPES registry as of the last update on 2024-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.