Brian Farrell, M.D.
NPI 1255645123 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Farrell, M.D. is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1255645123).
Provider details
- NPI number
- 1255645123
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$124 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
Registry dates
- Enumerated
- 2010-08-03
- Last updated
- 2022-02-11
Frequently asked questions
- What is Brian Farrell's NPI number?
- Brian Farrell's National Provider Identifier (NPI) is 1255645123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Farrell's specialty?
- Brian Farrell is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Brian Farrell located?
- Brian Farrell's practice location on file with NPPES is 450 Stanyan St, San Francisco, CA 94117-1019.
- What is Brian Farrell's phone number?
- The practice phone number listed in the NPPES registry for Brian Farrell is (510) 693-1406.
- Does Brian Farrell accept Medicare?
- Brian Farrell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Farrell's NPI active?
- Yes — Brian Farrell's NPI (1255645123) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.