Brian Guernsey
NPI 1972661445 · Certified Registered Nurse Anesthetist · Greer, SC
Brian Guernsey is a Certified Registered Nurse Anesthetist provider in Greer, SC (NPI 1972661445).
Provider details
- NPI number
- 1972661445
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- R60659 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-12-05
- Last updated
- 2016-02-22
Frequently asked questions
- What is Brian Guernsey's NPI number?
- Brian Guernsey's National Provider Identifier (NPI) is 1972661445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Guernsey's specialty?
- Brian Guernsey is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brian Guernsey located?
- Brian Guernsey's practice location on file with NPPES is 250 Westmoreland Rd, Greer, SC 29651-9013.
- What is Brian Guernsey's phone number?
- The practice phone number listed in the NPPES registry for Brian Guernsey is (864) 530-2108.
- Is Brian Guernsey's NPI active?
- Yes — Brian Guernsey's NPI (1972661445) is active in the NPPES registry as of the last update on 2016-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.