1. Home
  2. Directory
  3. Iowa
  4. Waterloo
  5. Advanced Practice Midwife
  6. NPI Profile

MARCIA LYN CORSON CNM
NPI 1992217913
Advanced Practice Midwife in Waterloo, IA

Active since October 31, 2017PECOS EnrolledAccepts Medicare Assignment
212 W DALE ST STE 402, WATERLOO, IA 50703(319) 235-3865(319) 235-3873 Get Directions Write a Review

NPPES record last updated: October 31, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marcia Lyn Corson Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARCIA LYN CORSON CNM (NPI 1992217913) is an individual advanced practice midwife in Waterloo, Iowa, licensed in Iowa (B093700) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1992217913
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMARCIA LYN CORSONCredential: CNM
Location Address212 W DALE ST STE 402Waterloo, IA 50703-1954
Mailing Address212 W Dale St Ste 402Waterloo, IA 50703-1954 · (319) 235-3865 · Fax (319) 235-3873
Phone(319) 235-3865
Fax(319) 235-3873
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 31, 2017
✔ NPI 1992217913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in IA · B093700
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
212 W DALE ST STE 402, Waterloo, IA 50703
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marcia Lyn Corson Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537690706
PECOS Enrollment IDI20240930002589
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marcia Corson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Covenant Medical Center Inc
4.5 mi
Emergency Medicine
3421 W 9TH ST
Waterloo, IA 50702
  • Reassigned Medicare billing, Iowa enrollment
  • 271 clinicians in this Medicare group
NPI 1528009545 (319) 272-7600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marcia Corson's NPI number?

The NPI number for Marcia Corson is 1992217913. It was assigned to this individual provider in the NPPES registry on October 31, 2017.

Where is Marcia Corson located?

Marcia Corson practices at 212 W Dale St Ste 402, Waterloo, IA 50703. The listed phone number is (319) 235-3865.

What is Marcia Corson's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Marcia Corson enrolled in Medicare?

Yes. Marcia Corson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marcia Corson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Corson reassigns Medicare benefits to Covenant Medical Center Inc (Waterloo, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcia Corson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcia Corson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 2 other insurers list Marcia Corson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marcia Corson was last updated on October 31, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.