NPPES file of Aug 9, 2026

Carl Floyd Maass

Family Nurse Practitioner · Oakland, IA

Carl Floyd Maass is a family nurse practitioner with a practice address in Oakland, Iowa, and NPI 1922864693, issued on Feb 21, 2024. Check the license (Iowa A177008, 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
1922864693
Name
Carl Floyd Maass
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A177008 IA
Self-reported in NPPES; status is on the state search
Practice location
408 Kelsay Ave, Oakland, IA 51560
Phone
(712) 899-8498
Enumerated
Feb 21, 2024
Record last updated
Jun 6, 2025
Fax
(601) 533-6259
Medicare enrollment
Enrolled (PECOS I20240301002889); 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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Verify Carl Floyd Maass 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 A177008
    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
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89% fewer Medicare Part D claims than the average family nurse practitioner in 2024

143 Medicare Part D claims for 26 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Carl Maass143
  2. Specialty average1,305

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 2 group practices

  1. CH Specialty Services IA PCOsceola, IA
  2. Curana Health OF Iowa PLLCOsceola, IA

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

3 family nurse practitioner records list a practice address in Oakland

They are 3 of the 14 NPPES records with a practice address in Oakland, and 1,971 family nurse practitioner records in Iowa.

Other family nurse practitioner records in Iowa

  1. Lynne AbbottCedar Rapids, IA1699357277
  2. Amina AbdullahCedar Rapids, IA1598420747
  3. Brandon Abel, DNPIowa City, IA1043160674
  4. Andrea AchenbachIowa City, IA1881975910
  5. Rachel Ackerman, NPSheldon, IA1275124372
  6. Tonia Ackerman, ARNPPleasant Hill, IA1932142692
  7. Rachel Adams, NPDes Moines, IA1013662485
  8. Abdullahi Ahmed, AGPCNPDes Moines, IA1336924836
  9. Caitlyn Al-Ostaz, DNP FNP-CIowa City, IA1457188740
  10. Alaa Al-Talla, ARNPWaverly, IA1396592291

Common questions

What is Carl Floyd Maass's NPI number?

Carl Floyd Maass's National Provider Identifier (NPI) is 1922864693, issued on Feb 21, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Carl Floyd Maass located?

The NPPES record lists a practice address at 408 Kelsay Ave, Oakland, IA, 51560. Phone: (712) 899-8498. Providers update this record themselves, so call before visiting.

How can I verify Carl Floyd Maass's license?

NPPES lists Iowa license number A177008, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Carl Floyd Maass prescribe under Medicare Part D?

In 2024, Carl Floyd Maass had 143 Medicare Part D claims for 26 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.