IndividualActive
Mark Knowlton, PHARM.D.
NPI 1942594270 · Pharmacist · Jenison, MI
Mark Knowlton, PHARM.D. is a Pharmacist provider in Jenison, MI (NPI 1942594270).
Provider details
- NPI number
- 1942594270
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5302034016 (MI)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(81/100 index)
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
334 Chicago Dr
T-0399
Jenison, MI 49428-9244
Phone: (616) 457-2730
Fax: (616) 457-2730
Street-level locationGet directions
Mailing address
334 Chicago Dr
Jenison, MI 49428-9244
Registry dates
- Enumerated
- 2011-06-03
- Last updated
- 2011-06-03
Frequently asked questions
- What is Mark Knowlton's NPI number?
- Mark Knowlton's National Provider Identifier (NPI) is 1942594270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Knowlton's specialty?
- Mark Knowlton is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mark Knowlton located?
- Mark Knowlton's practice location on file with NPPES is 334 Chicago Dr, Jenison, MI 49428-9244.
- What is Mark Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Mark Knowlton is (616) 457-2730.
- Is Mark Knowlton's NPI active?
- Yes — Mark Knowlton's NPI (1942594270) is active in the NPPES registry as of the last update on 2011-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.