William Clarke, PHD, DABCC
NPI 1457559718 · Clinical Laboratory Director (Non-physician) · Baltimore, MD
William Clarke, PHD, DABCC is a Clinical Laboratory Director (Non-physician) provider in Baltimore, MD (NPI 1457559718).
Provider details
- NPI number
- 1457559718
- Entity type
- Individual
- Primary specialty
- Clinical Laboratory Director (Non-physician)Technologists, Technicians & Other Technical Service Providers
- Credential
- PHD, DABCC
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-07-10
- Last updated
- 2007-07-10
Frequently asked questions
- What is William Clarke's NPI number?
- William Clarke's National Provider Identifier (NPI) is 1457559718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Clarke's specialty?
- William Clarke is listed in the NPPES registry with a primary specialty of Clinical Laboratory Director (Non-physician) (Technologists, Technicians & Other Technical Service Providers).
- Where is William Clarke located?
- William Clarke's practice location on file with NPPES is 401 N Broadway St, Baltimore, MD 21287-0019.
- What is William Clarke's phone number?
- The practice phone number listed in the NPPES registry for William Clarke is (410) 502-7692.
- Is William Clarke's NPI active?
- Yes — William Clarke's NPI (1457559718) is active in the NPPES registry as of the last update on 2007-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.