NPPES file of Aug 9, 2026

Cassie Parrish, ARNP

Adult Health Nurse Practitioner · Centerville, IA

Cassie Parrish, ARNP is an adult health nurse practitioner with a practice address in Centerville, Iowa, and NPI 1720346232, issued on May 3, 2012. Check the license (Iowa H113111, 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
1720346232
Name
Cassie Parrish
Credential
ARNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
H113111 IA
Self-reported in NPPES; status is on the state search
Practice location
19942 Saint Joseph Dr, Centerville, IA 52544
Phone
(641) 437-4111
Enumerated
May 3, 2012
Record last updated
Feb 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(641) 437-3403
Medicare enrollment
Enrolled (PECOS I20120710000531); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 19942 Saint Joseph Dr

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

  1. Ryan Arnevik, DOFamily Medicine Physician1972867810
  2. Nancy Barton, MDFamily Medicine Physician1942241039
  3. David Fraser, MDFamily Medicine Physician1801887476
  4. Rachel HigginsNurse Practitioner1336695428
  5. Paige Houser, ARNPNurse Practitioner1285420661
  6. Donna LawrenceMental Health Counselor1477866796

Verify Cassie Parrish 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 H113111    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9.2 times the Medicare Part D claims of the average adult health nurse practitioner in 2024

11,808 Medicare Part D claims for 513 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 903 claims were for opioids.

  1. Cassie Parrish11,808
  2. Specialty average1,280

Most prescribed

  1. Levothyroxine Sodium532 claims
  2. Atorvastatin Calcium482 claims
  3. Hydrocodone-Acetaminophen421 claims
  4. Omeprazole396 claims
  5. Lisinopril318 claims
  6. Metoprolol Succinate314 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.

Bills Medicare through one group practice

  1. Mercy Medical Center-CentervilleCenterville, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1 adult health nurse practitioner records list a practice address in Centerville

They are 1 of the 106 NPPES records with a practice address in Centerville, and 127 adult health nurse practitioner records in Iowa.

All 127 in Iowa → Every provider in Centerville →

Other adult health nurse practitioner records in Iowa

  1. Margery Amelon, ARNPIowa City, IA1427045186
  2. Sylvia Anspach, ARNPCedar Rapids, IA1417931478
  3. Vickie Arkema, ARNPKnoxville, IA1144231903
  4. Ann Aschoff, ARNPIowa City, IA1578632154
  5. Amy Bader Takes, ARNPIowa City, IA1457994360
  6. Laura Baker, ARNPWest Des Moines, IA1386620284
  7. Melissa Batt, ARNPDes Moines, IA1013311778
  8. Jennifer Becker, ARNPIowa City, IA1679977482
  9. Leanne Binion, CNPDavenport, IA1255853347
  10. Shari Black, CNPSioux City, IA1831152925

Common questions

What is Cassie Parrish, ARNP's NPI number?

Cassie Parrish, ARNP's National Provider Identifier (NPI) is 1720346232, issued on May 3, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Cassie Parrish, ARNP located?

The NPPES record lists a practice address at 19942 Saint Joseph Dr, Centerville, IA, 52544. Phone: (641) 437-4111. Providers update this record themselves, so call before visiting.

How can I verify Cassie Parrish, ARNP's license?

NPPES lists Iowa license number H113111, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Cassie Parrish, ARNP prescribe under Medicare Part D?

In 2024, Cassie Parrish, ARNP had 11,808 Medicare Part D claims for 513 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.