Susan Hallahan, RN MSN ACNS-BC
NPI 1043522741 · Medical-Surgical Registered Nurse · San Francisco, CA
Susan Hallahan, RN MSN ACNS-BC is a Medical-Surgical Registered Nurse provider in San Francisco, CA (NPI 1043522741).
Provider details
- NPI number
- 1043522741
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Credential
- RN MSN ACNS-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 428021 (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
15 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
- 2010-07-09
- Last updated
- 2010-07-09
Frequently asked questions
- What is Susan Hallahan's NPI number?
- Susan Hallahan's National Provider Identifier (NPI) is 1043522741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Hallahan's specialty?
- Susan Hallahan is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Susan Hallahan located?
- Susan Hallahan's practice location on file with NPPES is 4150 Clement St, San Francisco, CA 94121-1545.
- What is Susan Hallahan's phone number?
- The practice phone number listed in the NPPES registry for Susan Hallahan is (415) 221-4810.
- Is Susan Hallahan's NPI active?
- Yes — Susan Hallahan's NPI (1043522741) is active in the NPPES registry as of the last update on 2010-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.