IndividualActive
Robert Williamsen, PHARM.D.
NPI 1972960714 · Pharmacist · San Bernardino, CA
Robert Williamsen, PHARM.D. is a Pharmacist provider in San Bernardino, CA (NPI 1972960714).
Provider details
- NPI number
- 1972960714
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 39771 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
399 E Highland Ave
Ste 103
San Bernardino, CA 92404-3808
Phone: (909) 337-0747
Fax: (909) 337-9195
Street-level locationGet directions
Mailing address
29099 Hospital Rd
Lake Arrowhead, CA 92352
Registry dates
- Enumerated
- 2016-01-25
- Last updated
- 2016-01-25
Frequently asked questions
- What is Robert Williamsen's NPI number?
- Robert Williamsen's National Provider Identifier (NPI) is 1972960714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Williamsen's specialty?
- Robert Williamsen is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Robert Williamsen located?
- Robert Williamsen's practice location on file with NPPES is 399 E Highland Ave, San Bernardino, CA 92404-3808.
- What is Robert Williamsen's phone number?
- The practice phone number listed in the NPPES registry for Robert Williamsen is (909) 337-0747.
- Is Robert Williamsen's NPI active?
- Yes — Robert Williamsen's NPI (1972960714) is active in the NPPES registry as of the last update on 2016-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.