Melissa Ann Ernzen, PHARM.D.
Pharmacist · Dubuque, IA
Melissa Ann Ernzen, PHARM.D. is a pharmacist with a practice address in Dubuque, Iowa, and NPI 1457441446, issued on Oct 13, 2006. Check the license (Iowa 19191, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Ann Ernzen
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 19191 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1920 Elm St, Dubuque, IA 52001
- Phone
- (563) 583-7379
- Enumerated
- Oct 13, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (563) 583-8846
- Medicaid ID
- 0005058 IA
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,179 in Iowa → Look up another NPI →
Also registered at 1920 Elm St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brooke BennettPharmacist1265913115
- Jessica Curran-Finn, PHARMDPharmacist1356970578
- Beth Engel, PHARMDPharmacist1922481225
- Jennifer Erickson, RPHPharmacist1760569115
- Kara Haun, PHARMDPharmacist1215268057
- Alyssa Kluesner, PHARMDPharmacist1669007415
Verify Melissa Ann Ernzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 19191Check 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
214 Medicare Part D claims for 213 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Arexvy207 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.
Melissa Ann Ernzen among 3,179 pharmacist records in Iowa
Melissa Ann Ernzen, PHARM.D. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 92% 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 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
113 pharmacist records list a practice address in Dubuque
They are 113 of the 1,468 NPPES records with a practice address in Dubuque, and 3,179 pharmacist records in Iowa.
All 3,179 in Iowa → Every provider in Dubuque → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Craig Cram, RPHDubuque, IA 520011154499465
- Jennifer Erickson, RPHDubuque, IA 520011760569115
- Joan Exner, R.PH.Dubuque, IA 520011437200011
- Joshua Feldmann, PHARMDDubuque, IA 520011639204035
- Laura Fitzpatrick, R.PH.Dubuque, IA 520011073601605
- Jeffrey FriesDubuque, IA 520011578698817
- Jean Link, RPHDubuque, IA 520011811049075
- John Mulert, RPHDubuque, IA 520011578651154
Common questions
What is Melissa Ann Ernzen, PHARM.D.'s NPI number?
Melissa Ann Ernzen, PHARM.D.'s National Provider Identifier (NPI) is 1457441446, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Ann Ernzen, PHARM.D. located?
The NPPES record lists a practice address at 1920 Elm St, Dubuque, IA, 52001. Phone: (563) 583-7379. Providers update this record themselves, so call before visiting.
How can I verify Melissa Ann Ernzen, PHARM.D.'s license?
NPPES lists Iowa license number 19191, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Ann Ernzen, PHARM.D. prescribe under Medicare Part D?
In 2024, Melissa Ann Ernzen, PHARM.D. had 214 Medicare Part D claims for 213 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.