NPPES file of Aug 9, 2026

Mark E. Rock, RPH

Pharmacist · Marysville, WA

Mark E. Rock, RPH is a pharmacist with a practice address in Marysville, Washington, and NPI 1124098611, issued on Jan 25, 2006. Check the license (Washington PH00018249, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124098611
Name
Mark E. Rock
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
PH00018249 WA
Self-reported in NPPES; status is on the state search
Practice location
3711 88TH St NE, Marysville, WA 98270
Phone
(360) 530-7761
Enumerated
Jan 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(360) 530-7795
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3711 88TH St NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Olufunke Okusanya, PHARMDPharmacist1073088092
  2. Julie RidewoodPharmacist1033513486
  3. Quang Vu, PHARM.D.Pharmacist1669735551

Verify Mark E. Rock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PH00018249
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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Most of these Medicare Part D claims are vaccines, 93% of the cost of the top drugs

63 Medicare Part D claims for 54 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 98% of claims.

  1. Mark Rock63
  2. Specialty average119

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.

  1. Shingrix27 claims
  2. Abrysvo17 claims
  3. Boostrix Tdap12 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.

Mark E. Rock among 7,777 pharmacist records in Washington

Mark E. Rock, RPH is one of 7,777 pharmacist records with a practice address in Washington. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 90% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 75% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 pharmacist records list a practice address in Marysville

They are 45 of the 874 NPPES records with a practice address in Marysville, and 7,777 pharmacist records in Washington.

The 8 pharmacist records with the nearest ZIP codes

  1. Christina Cheung, RPHMarysville, WA 982701871893180
  2. Mary Ann CruzMarysville, WA 982701972810653
  3. Jerika Cummings, PHARM.DMarysville, WA 982701821362310
  4. Kimberly DoMarysville, WA 982701023337581
  5. Thomas Fitzgerald, RPHMarysville, WA 982701326312166
  6. Russell Gemmer, R.PH.Marysville, WA 982701275518672
  7. Mark Iseri, RPHMarysville, WA 982701336394964
  8. Sang Lee, PHARMACISTMarysville, WA 982701386945335

Common questions

What is Mark E. Rock, RPH's NPI number?

Mark E. Rock, RPH's National Provider Identifier (NPI) is 1124098611, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark E. Rock, RPH located?

The NPPES record lists a practice address at 3711 88TH St NE, Marysville, WA, 98270. Phone: (360) 530-7761. Providers update this record themselves, so call before visiting.

How can I verify Mark E. Rock, RPH's license?

NPPES lists Washington license number PH00018249, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Mark E. Rock, RPH prescribe under Medicare Part D?

In 2024, Mark E. Rock, RPH had 63 Medicare Part D claims for 54 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.