Clayson Longview Health
NPI 1275400681 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clayson Longview Health is a Internal Medicine Physician organization in San Francisco, CA (NPI 1275400681).
Provider details
- NPI number
- 1275400681
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Darby Clayson, President(702) 218-2690
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-10-21
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Clayson Longview Health's NPI number?
- Clayson Longview Health's National Provider Identifier (NPI) is 1275400681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clayson Longview Health?
- Clayson Longview Health is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clayson Longview Health located?
- Clayson Longview Health's practice location on file with NPPES is 1575 7th Ave, San Francisco, CA 94122-3704.
- What is Clayson Longview Health's phone number?
- The practice phone number listed in the NPPES registry for Clayson Longview Health is (702) 453-3799.
- Does Clayson Longview Health accept Medicare?
- Clayson Longview Health is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Clayson Longview Health?
- The authorized official listed on Clayson Longview Health's NPPES record is Darby Clayson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clayson Longview Health's NPI active?
- Yes — Clayson Longview Health's NPI (1275400681) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.