NPPES file of Aug 9, 2026

Marissa S. Holloway, PHARMD

Pharmacist · Ankeny, IA

Marissa S. Holloway, PHARMD is a pharmacist with a practice address in Ankeny, Iowa, and NPI 1255981171, issued on Sep 12, 2019. Check the license (Iowa 23718, as entered in NPPES) with the Iowa 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
1255981171
Name
Marissa S. Holloway
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
23718 IA
Self-reported in NPPES; status is on the state search
Practice location
107 NE Delaware Ave Ste 6, Ankeny, IA 50021
Phone
(515) 964-8550
Enumerated
Sep 12, 2019
Record last updated
Nov 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(515) 963-4055
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 107 NE Delaware Ave Ste 6

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

  1. Kennedy Merical, PHARMDPharmacist1033886643
  2. Jennifer Meurer, PHARM.D.Pharmacist1376678391
  3. Katie Regan, PHARMDPharmacist1437307741
  4. Kaitlyn Thomas, PHARMDPharmacist1104535491

Verify Marissa S. Holloway in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 23718
    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 Iowa license search

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

115 Medicare Part D claims for 107 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. Marissa Holloway115
  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. Shingrix51 claims
  2. Abrysvo34 claims
  3. Boostrix Tdap23 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.

Marissa S. Holloway among 3,179 pharmacist records in Iowa

Marissa S. Holloway, PHARMD is one of 3,179 pharmacist records with a practice address in Iowa. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 52% of them.

  • NPI issued2019 · 52% of these records are older, 41% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2019 · 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

83 pharmacist records list a practice address in Ankeny

They are 83 of the 1,198 NPPES records with a practice address in Ankeny, and 3,179 pharmacist records in Iowa.

The 8 pharmacist records with the nearest ZIP codes

  1. Kristi Adams, PHARMD, BCPSAnkeny, IA 500211346509353
  2. Erin Christensen, PHARM.D.Ankeny, IA 500211881826220
  3. Valerie Hanken, PHARM.D.Ankeny, IA 500211962801324
  4. Kelly Hollstein, PHARMDAnkeny, IA 500211407974207
  5. Alexandra Klise, PHARMDAnkeny, IA 500211659784015
  6. Lesley Leuwerke, PHARM.D.Ankeny, IA 500211023054129
  7. Lori Malek, RPHAnkeny, IA 500211528344736
  8. Jennifer Meurer, PHARM.D.Ankeny, IA 500211376678391

Common questions

What is Marissa S. Holloway, PHARMD's NPI number?

Marissa S. Holloway, PHARMD's National Provider Identifier (NPI) is 1255981171, issued on Sep 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Marissa S. Holloway, PHARMD located?

The NPPES record lists a practice address at 107 NE Delaware Ave Ste 6, Ankeny, IA, 50021. Phone: (515) 964-8550. Providers update this record themselves, so call before visiting.

How can I verify Marissa S. Holloway, PHARMD's license?

NPPES lists Iowa license number 23718, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa S. Holloway, PHARMD prescribe under Medicare Part D?

In 2024, Marissa S. Holloway, PHARMD had 115 Medicare Part D claims for 107 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.