Walter Stielau, PHARMD
NPI 1528420593 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · West Chester, PA
Walter Stielau, PHARMD is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in West Chester, PA (NPI 1528420593).
Provider details
- NPI number
- 1528420593
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- RP443330 (PA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2016-03-28
Frequently asked questions
- What is Walter Stielau's NPI number?
- Walter Stielau's National Provider Identifier (NPI) is 1528420593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Stielau's specialty?
- Walter Stielau is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Walter Stielau located?
- Walter Stielau's practice location on file with NPPES is 1220 Ward Ave Ste 250, West Chester, PA 19380-3400.
- What is Walter Stielau's phone number?
- The practice phone number listed in the NPPES registry for Walter Stielau is (610) 344-0450.
- Is Walter Stielau's NPI active?
- Yes — Walter Stielau's NPI (1528420593) is active in the NPPES registry as of the last update on 2016-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.