Kenneth S. Yamamoto, M.D.
NPI 1548441660 · Hematology & Oncology Physician · San Francisco, CA
Kenneth S. Yamamoto, M.D. is a Hematology & Oncology Physician organization in San Francisco, CA (NPI 1548441660).
Provider details
- NPI number
- 1548441660
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Arlyne Yamamoto, Manager(415) 337-2121
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-11-16
- Last updated
- 2007-11-16
Frequently asked questions
- What is Kenneth S. Yamamoto, M.D.'s NPI number?
- Kenneth S. Yamamoto, M.D.'s National Provider Identifier (NPI) is 1548441660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kenneth S. Yamamoto, M.D.?
- Kenneth S. Yamamoto, M.D. is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth S. Yamamoto, M.D. located?
- Kenneth S. Yamamoto, M.D.'s practice location on file with NPPES is 2645 Ocean Ave, San Francisco, CA 94132-1647.
- What is Kenneth S. Yamamoto, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Kenneth S. Yamamoto, M.D. is (415) 337-2121.
- Who is the authorized official for Kenneth S. Yamamoto, M.D.?
- The authorized official listed on Kenneth S. Yamamoto, M.D.'s NPPES record is Arlyne Yamamoto, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kenneth S. Yamamoto, M.D.'s NPI active?
- Yes — Kenneth S. Yamamoto, M.D.'s NPI (1548441660) is active in the NPPES registry as of the last update on 2007-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.