Sarah O'Brien, FNP
NPI 1558694760 · Nurse Practitioner · Worcester, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah O'Brien, FNP is a Nurse Practitioner provider in Worcester, MA (NPI 1558694760).
Provider details
- NPI number
- 1558694760
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- RN285156 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 84 Highland AveSalem, MA 01970-2727Phone: (978) 745-3050Fax: (978) 745-7014
Registry dates
- Enumerated
- 2009-09-08
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Sarah O'Brien's NPI number?
- Sarah O'Brien's National Provider Identifier (NPI) is 1558694760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah O'Brien's specialty?
- Sarah O'Brien is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah O'Brien located?
- Sarah O'Brien's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605.
- What is Sarah O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Sarah O'Brien is (508) 334-6206.
- Does Sarah O'Brien accept Medicare?
- Sarah 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 Sarah O'Brien's NPI active?
- Yes — Sarah O'Brien's NPI (1558694760) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.