R W Weber MD a Medical Corporation
NPI 1881184026 · Hematology & Oncology Physician · Daly City, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
R W Weber MD a Medical Corporation is a Hematology & Oncology Physician organization in Daly City, CA (NPI 1881184026).
Provider details
- NPI number
- 1881184026
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Weber, Owner(415) 337-2121
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2250 Hayes St Ste 111cSan Francisco, CA 94117-1078Phone: (415) 750-5660
Registry dates
- Enumerated
- 2018-05-14
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is R W Weber MD a Medical Corporation's NPI number?
- R W Weber MD a Medical Corporation's National Provider Identifier (NPI) is 1881184026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is R W Weber MD a Medical Corporation?
- R W Weber MD a Medical Corporation is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is R W Weber MD a Medical Corporation located?
- R W Weber MD a Medical Corporation's practice location on file with NPPES is 1800 Sullivan Ave Rm 603, Daly City, CA 94015-2226.
- What is R W Weber MD a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for R W Weber MD a Medical Corporation is (415) 337-2121.
- Does R W Weber MD a Medical Corporation accept Medicare?
- R W Weber MD a Medical Corporation 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 R W Weber MD a Medical Corporation?
- The authorized official listed on R W Weber MD a Medical Corporation's NPPES record is Robert Weber, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is R W Weber MD a Medical Corporation's NPI active?
- Yes — R W Weber MD a Medical Corporation's NPI (1881184026) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.