William Marcus, PHARMD
NPI 1831401868 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Reno, NV
William Marcus, PHARMD is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Reno, NV (NPI 1831401868).
Provider details
- NPI number
- 1831401868
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- No
- License
- 16152 (NV)
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
15 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
- 2010-07-07
- Last updated
- 2010-07-07
Frequently asked questions
- What is William Marcus's NPI number?
- William Marcus's National Provider Identifier (NPI) is 1831401868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marcus's specialty?
- William Marcus is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is William Marcus located?
- William Marcus's practice location on file with NPPES is 1155 Mill St, Reno, NV 89502-1576.
- What is William Marcus's phone number?
- The practice phone number listed in the NPPES registry for William Marcus is (775) 982-4709.
- Is William Marcus's NPI active?
- Yes — William Marcus's NPI (1831401868) is active in the NPPES registry as of the last update on 2010-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.