John Carlson, DO
NPI 1447218227 · Family Medicine Physician · Claremont, NH
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carlson, DO is a Family Medicine Physician provider in Claremont, NH (NPI 1447218227).
Provider details
- NPI number
- 1447218227
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 12567 (NH)
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
- 2006-05-02
- Last updated
- 2007-07-09
Frequently asked questions
- What is John Carlson's NPI number?
- John Carlson's National Provider Identifier (NPI) is 1447218227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carlson's specialty?
- John Carlson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Carlson located?
- John Carlson's practice location on file with NPPES is 5 Dunning St, Claremont, NH 03743-2070.
- What is John Carlson's phone number?
- The practice phone number listed in the NPPES registry for John Carlson is (603) 542-2571.
- Does John Carlson accept Medicare?
- John Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carlson's NPI active?
- Yes — John Carlson's NPI (1447218227) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.