NPPES file of Aug 9, 2026

Marcia Lyn Corson, CNM

Advanced Practice Midwife · Waterloo, IA

Marcia Lyn Corson, CNM is an advanced practice midwife with a practice address in Waterloo, Iowa, and NPI 1992217913, issued on Oct 31, 2017. Check the license (Iowa B093700, 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
1992217913
Name
Marcia Lyn Corson
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
B093700 IA
Self-reported in NPPES; status is on the state search
Practice location
212 W Dale St Ste 402, Waterloo, IA 50703
Phone
(319) 235-3865
Enumerated
Oct 31, 2017
Record last updated
Oct 31, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(319) 235-3873
Medicare enrollment
Enrolled (PECOS I20240930002589); 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 Marcia Lyn Corson 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 B093700
    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

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Industry payments in 2024: $20.48

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 3,833 providers of this specialty with any payment received $204.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcia Corson$20.48
  2. Specialty average$204.49

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

  1. Covenant Medical Center IncCedar Falls, IA

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

Advanced Practice Midwife providers in Iowa

There are 128 advanced practice midwife records in Iowa.

Other advanced practice midwife records in Iowa

  1. Kristi Allison, CNMWaterloo, IA1174033401
  2. Jennifer Atzen, ARNP,CNMDavenport, IA1740489855
  3. Cosette Boone, ARNP, CNMDes Moines, IA1548215833
  4. Kimberly Boote, C.N.M.Waterloo, IA1538167887
  5. Kimberlee Borneman, C.N.M.Waterloo, IA1588047021
  6. Jessica Bottenfield-Biehn, ARNP/CNMDes Moines, IA1588999114
  7. Katie BowlingDes Moines, IA1235881046
  8. Sarah Bradbury, C.N.M.Des Moines, IA1215164165
  9. Kimberly Brenneman, ARNP, CNMKalona, IA1174245682
  10. Katherine Bryden, CNMWaterloo, IA1760867394

Common questions

What is Marcia Lyn Corson, CNM's NPI number?

Marcia Lyn Corson, CNM's National Provider Identifier (NPI) is 1992217913, issued on Oct 31, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marcia Lyn Corson, CNM located?

The NPPES record lists a practice address at 212 W Dale St Ste 402, Waterloo, IA, 50703. Phone: (319) 235-3865. Providers update this record themselves, so call before visiting.

How can I verify Marcia Lyn Corson, CNM's license?

NPPES lists Iowa license number B093700, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity 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.