Mark Yap
NPI 1447531561 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Arlington Heights, IL
Mark Yap is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Arlington Heights, IL (NPI 1447531561).
Provider details
- NPI number
- 1447531561
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 051.293785 (IL)
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
14 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
- 2011-09-02
- Last updated
- 2026-05-30
- Certified
- 2026-05-30
Frequently asked questions
- What is Mark Yap's NPI number?
- Mark Yap's National Provider Identifier (NPI) is 1447531561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Yap's specialty?
- Mark Yap is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Mark Yap located?
- Mark Yap's practice location on file with NPPES is 802 E Northwest Hwy, Arlington Heights, IL 60004-6233.
- What is Mark Yap's phone number?
- The practice phone number listed in the NPPES registry for Mark Yap is (847) 253-5494.
- Is Mark Yap's NPI active?
- Yes — Mark Yap's NPI (1447531561) is active in the NPPES registry as of the last update on 2026-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.