Roberta O'Brien, MD
NPI 1902976533 · Internal Medicine Physician · Essex Jct, VT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roberta O'Brien, MD is a Internal Medicine Physician provider in Essex Jct, VT (NPI 1902976533).
Provider details
- NPI number
- 1902976533
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 420008375 (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
- 2006-11-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Roberta O'Brien's NPI number?
- Roberta O'Brien's National Provider Identifier (NPI) is 1902976533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberta O'Brien's specialty?
- Roberta O'Brien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roberta O'Brien located?
- Roberta O'Brien's practice location on file with NPPES is 87 Main St, Essex Jct, VT 05452-3234.
- What is Roberta O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Roberta O'Brien is (802) 847-8354.
- Does Roberta O'Brien accept Medicare?
- Roberta O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roberta O'Brien's NPI active?
- Yes — Roberta O'Brien's NPI (1902976533) 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.