Gregory Brynelson, RN
NPI 1003143223 · Medical-Surgical Registered Nurse · San Francisco, CA
Gregory Brynelson, RN is a Medical-Surgical Registered Nurse provider in San Francisco, CA (NPI 1003143223).
Provider details
- NPI number
- 1003143223
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 689286 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2009-11-09
- Last updated
- 2009-11-09
Frequently asked questions
- What is Gregory Brynelson's NPI number?
- Gregory Brynelson's National Provider Identifier (NPI) is 1003143223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Brynelson's specialty?
- Gregory Brynelson is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Gregory Brynelson located?
- Gregory Brynelson's practice location on file with NPPES is 555 Mission Rock St Unit 103, San Francisco, CA 94158-2150.
- What is Gregory Brynelson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Brynelson is (415) 513-2902.
- Is Gregory Brynelson's NPI active?
- Yes — Gregory Brynelson's NPI (1003143223) is active in the NPPES registry as of the last update on 2009-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.