IndividualActive
William Greenberg, PHARM.D.
NPI 1518991389 · Pharmacotherapy Pharmacist · San Diego, CA
William Greenberg, PHARM.D. is a Pharmacotherapy Pharmacist provider in San Diego, CA (NPI 1518991389).
Provider details
- NPI number
- 1518991389
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31113 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
200 W Arbor Dr
Ucsd Acc Pharmacy - Mail Code 8729
San Diego, CA 92103-9001
Phone: (619) 543-5943
Fax: (619) 543-6784
Street-level locationGet directions
Mailing address
13151 Ridgedale Dr
Poway, CA 92064-4311
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2007-07-09
Frequently asked questions
- What is William Greenberg's NPI number?
- William Greenberg's National Provider Identifier (NPI) is 1518991389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Greenberg's specialty?
- William Greenberg is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is William Greenberg located?
- William Greenberg's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9001.
- What is William Greenberg's phone number?
- The practice phone number listed in the NPPES registry for William Greenberg is (619) 543-5943.
- Is William Greenberg's NPI active?
- Yes — William Greenberg's NPI (1518991389) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.