Roger Knowlton, DO
NPI 1588685218 · Obstetrics & Gynecology Physician · Berlin, VT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Knowlton, DO is a Obstetrics & Gynecology Physician provider in Berlin, VT (NPI 1588685218).
Provider details
- NPI number
- 1588685218
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 032-0000288 (VT)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2014-12-04
Frequently asked questions
- What is Roger Knowlton's NPI number?
- Roger Knowlton's National Provider Identifier (NPI) is 1588685218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Knowlton's specialty?
- Roger Knowlton is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Knowlton located?
- Roger Knowlton's practice location on file with NPPES is 130 Fisher Rd, Berlin, VT 05602-9516.
- What is Roger Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Roger Knowlton is (802) 371-5961.
- Does Roger Knowlton accept Medicare?
- Roger Knowlton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Knowlton's NPI active?
- Yes — Roger Knowlton's NPI (1588685218) is active in the NPPES registry as of the last update on 2014-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.