William Chase Rook, RPH
Pharmacist · Cleveland, OH
William Chase Rook, RPH is a pharmacist with a practice address in Cleveland, Ohio, and NPI 1336867787, issued on Aug 19, 2022. Check the license (Ohio 03442454, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Chase Rook
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 03442454 OH
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Euclid Ave, Cleveland, OH 44106
- Phone
- (216) 237-5388
- Enumerated
- Aug 19, 2022
- Record last updated
- Aug 19, 2022
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 10,831 in Ohio → Look up another NPI →
Also registered at 11100 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Chase Rook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 03442454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
53 Medicare Part D claims for 45 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 91% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Chase Rook among 10,831 pharmacist records in Ohio
William Chase Rook, RPH is one of 10,831 pharmacist records with a practice address in Ohio. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 81% of them.
- NPI issued2022 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 pharmacist records list a practice address in Cleveland
They are 657 of the 30,748 NPPES records with a practice address in Cleveland, and 10,831 pharmacist records in Ohio.
All 10,831 in Ohio → Every provider in Cleveland → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Henry Armbruster, RPHCleveland, OH 441061700987740
- Paul Barrett, RPHCleveland, OH 441061346331014
- Keith Buie, RPHCleveland, OH 441061922108349
- Danielle Corwin, PHARM.D.Cleveland, OH 441061841391935
- Tina Demange, RPHCleveland, OH 441061992800726
- Elbert Jones, PHARM.DCleveland, OH 441061548352891
- Jacob Lohser, RPH, MBACleveland, OH 441061164514477
- Rick Montani, RPH.Cleveland, OH 441061376634279
Common questions
What is William Chase Rook, RPH's NPI number?
William Chase Rook, RPH's National Provider Identifier (NPI) is 1336867787, issued on Aug 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Chase Rook, RPH located?
The NPPES record lists a practice address at 11100 Euclid Ave, Cleveland, OH, 44106. Phone: (216) 237-5388. Providers update this record themselves, so call before visiting.
How can I verify William Chase Rook, RPH's license?
NPPES lists Ohio license number 03442454, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does William Chase Rook, RPH prescribe under Medicare Part D?
In 2024, William Chase Rook, RPH had 53 Medicare Part D claims for 45 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.