IndividualActive
Martha Strain, RN
NPI 1326918640 · Registered Nurse · San Francisco, CA
Martha Strain, RN is a Registered Nurse provider in San Francisco, CA (NPI 1326918640).
Provider details
- NPI number
- 1326918640
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 205219 (CO)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
4 Embarcadero Ctr Lbby Level2nd
San Francisco, CA 94111-4174
Phone: (888) 663-6331
Street-level locationGet directions
Mailing address
1500 Seneca Cir
Lafayette, CO 80026-1386
Registry dates
- Enumerated
- 2025-11-11
- Last updated
- 2025-11-11
- Certified
- 2025-11-11
Frequently asked questions
- What is Martha Strain's NPI number?
- Martha Strain's National Provider Identifier (NPI) is 1326918640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Strain's specialty?
- Martha Strain is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Martha Strain located?
- Martha Strain's practice location on file with NPPES is 4 Embarcadero Ctr Lbby Level2nd, San Francisco, CA 94111-4174.
- What is Martha Strain's phone number?
- The practice phone number listed in the NPPES registry for Martha Strain is (888) 663-6331.
- Is Martha Strain's NPI active?
- Yes — Martha Strain's NPI (1326918640) is active in the NPPES registry as of the last update on 2025-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.