Andrew Karson, MD
NPI 1194706002 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Karson, MD is a Internal Medicine Physician provider in Worcester, MA (NPI 1194706002).
Provider details
- NPI number
- 1194706002
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 155144 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-11-08
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is Andrew Karson's NPI number?
- Andrew Karson's National Provider Identifier (NPI) is 1194706002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Karson's specialty?
- Andrew Karson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Karson located?
- Andrew Karson's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Andrew Karson's phone number?
- The practice phone number listed in the NPPES registry for Andrew Karson is (774) 442-3797.
- Does Andrew Karson accept Medicare?
- Andrew Karson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Karson's NPI active?
- Yes — Andrew Karson's NPI (1194706002) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.