IndividualActive
Ryan Kerstan, R.PH
NPI 1689045007 · Pharmacist · Pewaukee, WI
Ryan Kerstan, R.PH is a Pharmacist provider in Pewaukee, WI (NPI 1689045007).
Provider details
- NPI number
- 1689045007
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- R.PH
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18094-40 (WI)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(73/100 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
443 Pewaukee Rd
Pewaukee, WI 53072-5886
Phone: (262) 956-6701
Approximate (ZIP-level) locationGet directions
Mailing address
2234 W Shore Dr
Delafield, WI 53018-1224
Registry dates
- Enumerated
- 2015-10-12
- Last updated
- 2015-10-12
Frequently asked questions
- What is Ryan Kerstan's NPI number?
- Ryan Kerstan's National Provider Identifier (NPI) is 1689045007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Kerstan's specialty?
- Ryan Kerstan is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Ryan Kerstan located?
- Ryan Kerstan's practice location on file with NPPES is 443 Pewaukee Rd, Pewaukee, WI 53072-5886.
- What is Ryan Kerstan's phone number?
- The practice phone number listed in the NPPES registry for Ryan Kerstan is (262) 956-6701.
- Is Ryan Kerstan's NPI active?
- Yes — Ryan Kerstan's NPI (1689045007) is active in the NPPES registry as of the last update on 2015-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.