Emily L. Maass, APRN
Nurse Practitioner · Red Oak, IA
Emily L. Maass, APRN is a nurse practitioner with a practice address in Red Oak, Iowa, and NPI 1659925600, issued on Jul 29, 2019. Check the license (Iowa A155593, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Emily L. Maass
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A155593 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2301 Eastern Ave, Red Oak, IA 51566
- Phone
- (712) 623-7280
- Enumerated
- Jul 29, 2019
- Record last updated
- Aug 31, 2022
- Fax
- (712) 623-7279
- Medicare enrollment
- Enrolled (PECOS I20191018002565); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Also registered at 2301 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emily L. Maass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A155593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average nurse practitioner in 2024
5,965 Medicare Part D claims for 437 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 319 claims were for opioids.
Most prescribed
- Levothyroxine Sodium293 claims
- Atorvastatin Calcium214 claims
- Rosuvastatin Calcium187 claims
- Gabapentin174 claims
- Potassium Chloride170 claims
- Amlodipine Besylate153 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 67.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $838.30
48 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
One hospital affiliation
- Montgomery County Memorial HospitalRed Oak, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Emily L. Maass among 1,294 nurse practitioner records in Iowa
Emily L. Maass, APRN 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 2019, is newer than 60% of them.
- NPI issued2019 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2018 among the 873 with a school on file
- Record last updated2022 · 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).
3 nurse practitioner records list a practice address in Red Oak
They are 3 of the 112 NPPES records with a practice address in Red Oak, and 1,294 nurse practitioner records in Iowa.
All 1,294 in Iowa → Every provider in Red Oak → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lila Lassen, ARNPRed Oak, IA 515661245488543
- Joan Smith, ARNPRed Oak, IA 515661407844129
- Patricia Ellis, APRN, PHDMondamin, IA 515571265798862
- Sara McIntosh, ARNPMissouri Valley, IA 515551861940249
- Susan Peschel, NPMissouri Valley, IA 515551689971020
- Rita Petsch, ARNPMissouri Valley, IA 515551215094214
- Hillary Stevenson, ARNPMissouri Valley, IA 515551538698436
- Krista Wilson, A.R.N.P.Malvern, IA 515511225001464
Common questions
What is Emily L. Maass, APRN's NPI number?
Emily L. Maass, APRN's National Provider Identifier (NPI) is 1659925600, issued on Jul 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Emily L. Maass, APRN located?
The NPPES record lists a practice address at 2301 Eastern Ave, Red Oak, IA, 51566. Phone: (712) 623-7280. Providers update this record themselves, so call before visiting.
How can I verify Emily L. Maass, APRN's license?
NPPES lists Iowa license number A155593, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Emily L. Maass, APRN prescribe under Medicare Part D?
In 2024, Emily L. Maass, APRN had 5,965 Medicare Part D claims for 437 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Emily L. Maass, APRN's MIPS final score?
The 2023 MIPS final score is 67.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.