Ruth E. Mash, ARNP
Nurse Practitioner · Carroll, IA
Ruth E. Mash, ARNP is a nurse practitioner with a practice address in Carroll, Iowa, and NPI 1205290434, issued on Apr 13, 2016. Check the license (Iowa A127940, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ruth E. Mash
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A127940 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1214 S Grant RD, Carroll, IA 51401
- Phone
- (712) 792-7500
- Enumerated
- Apr 13, 2016
- Record last updated
- Feb 22, 2024
- Fax
- (712) 792-7510
- Medicare enrollment
- Enrolled (PECOS I20170217001921); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Also registered at 1214 S Grant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ruth E. Mash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A127940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average nurse practitioner in 2024
3,750 Medicare Part D claims for 513 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 120 claims were for opioids.
Most prescribed
- Atorvastatin Calcium181 claims
- Losartan Potassium162 claims
- Amlodipine Besylate153 claims
- Levothyroxine Sodium153 claims
- Omeprazole147 claims
- Lisinopril128 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.
Industry payments in 2024: $40.13
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mcfarland Clinic PCJefferson, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruth E. Mash among 1,294 nurse practitioner records in Iowa
Ruth E. Mash, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 51% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2015 · median 2018 among the 873 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 nurse practitioner records list a practice address in Carroll
They are 5 of the 228 NPPES records with a practice address in Carroll, and 1,294 nurse practitioner records in Iowa.
All 1,294 in Iowa → Every provider in Carroll → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Christy Clark, ARNPCarroll, IA 514011245195270
- Shelby Mescher, ARNPCarroll, IA 514011336625599
- Amber Troshynski, APRN FNP-CCarroll, IA 514011255927786
- Matthew Wessling, ARNPCarroll, IA 514011225743875
- Julie Graeve, ARNPDenison, IA 514421528060134
- Jill Kierscht, N.P.Denison, IA 514421477555126
- Crystal Meyer, ARNPSpirit Lake, IA 513601841548161
- Stephanie Newkirk, NPSpirit Lake, IA 513601427783828
Common questions
What is Ruth E. Mash, ARNP's NPI number?
Ruth E. Mash, ARNP's National Provider Identifier (NPI) is 1205290434, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ruth E. Mash, ARNP located?
The NPPES record lists a practice address at 1214 S Grant RD, Carroll, IA, 51401. Phone: (712) 792-7500. Providers update this record themselves, so call before visiting.
How can I verify Ruth E. Mash, ARNP's license?
NPPES lists Iowa license number A127940, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Ruth E. Mash, ARNP prescribe under Medicare Part D?
In 2024, Ruth E. Mash, ARNP had 3,750 Medicare Part D claims for 513 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.