IndividualActive
Dennis Witherwax, R.PH.
NPI 1528187630 · Pharmacist · Anaheim, CA
Dennis Witherwax, R.PH. is a Pharmacist provider in Anaheim, CA (NPI 1528187630).
Provider details
- NPI number
- 1528187630
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- R.PH.
- Sex
- Male
- Sole proprietor
- No
- License
- 25141 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
Detailed profile(89/100 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
1120 W La Palma Ave
Suite 1
Anaheim, CA 92801-2801
Phone: (714) 776-2800
Fax: (714) 776-2118
Street-level locationGet directions
Mailing address
1120 W La Palma Ave
Anaheim, CA 92801-2801
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2015-03-30
Frequently asked questions
- What is Dennis Witherwax's NPI number?
- Dennis Witherwax's National Provider Identifier (NPI) is 1528187630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Witherwax's specialty?
- Dennis Witherwax is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Dennis Witherwax located?
- Dennis Witherwax's practice location on file with NPPES is 1120 W La Palma Ave, Anaheim, CA 92801-2801.
- What is Dennis Witherwax's phone number?
- The practice phone number listed in the NPPES registry for Dennis Witherwax is (714) 776-2800.
- Is Dennis Witherwax's NPI active?
- Yes — Dennis Witherwax's NPI (1528187630) is active in the NPPES registry as of the last update on 2015-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.