William Wachsman, M.D.
NPI 1104876952 · Hematology & Oncology Physician · La Jolla, CA
William Wachsman, M.D. is a Hematology & Oncology Physician provider in La Jolla, CA (NPI 1104876952).
Provider details
- NPI number
- 1104876952
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G049697 (CA)
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
20 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
- 2006-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Wachsman's NPI number?
- William Wachsman's National Provider Identifier (NPI) is 1104876952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wachsman's specialty?
- William Wachsman is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Wachsman located?
- William Wachsman's practice location on file with NPPES is 9500 Gilman Dr, La Jolla, CA 92093-5004.
- What is William Wachsman's phone number?
- The practice phone number listed in the NPPES registry for William Wachsman is (858) 552-8585.
- Is William Wachsman's NPI active?
- Yes — William Wachsman's NPI (1104876952) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.