NPPES file of Aug 9, 2026

Crystal Lynn Iddings

Advanced Practice Midwife · Ames, IA

Crystal Lynn Iddings is an advanced practice midwife with a practice address in Ames, Iowa, and NPI 1891365235, issued on Jun 28, 2021. Check the license (Iowa B164269, 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
1891365235
Name
Crystal Lynn Iddings
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
B164269 IA
Self-reported in NPPES; status is on the state search
Practice location
3624 Fletcher Cir, Ames, IA 50010
Phone
(832) 226-9248
Enumerated
Jun 28, 2021
Record last updated
Jun 18, 2025
Medicare enrollment
Enrolled (PECOS I20210719002608); 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 Crystal Lynn Iddings 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 B164269
    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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58% fewer Medicare Part D claims than the average advanced practice midwife in 2024

30 Medicare Part D claims for 11 beneficiaries, against an average of 72 among the 2,776 providers of this specialty who prescribed in Part D.

  1. Crystal Iddings30
  2. Specialty average72

Most prescribed

  1. Estradiol11 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: $84.42

3 payments; by number, the most common kind was food and beverage; the largest payer was Biogen, Inc. 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. Crystal Iddings$84.42
  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. Southeast Iowa Regional Medical Center IncWest Burlington, IA

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

Crystal Lynn Iddings among 128 advanced practice midwife records in Iowa

Crystal Lynn Iddings is one of 128 advanced practice midwife records with a practice address in Iowa. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 20% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2023 · median 2017 among the 69 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Practice Midwife providers in Iowa

There are 128 advanced practice midwife records in Iowa.

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Susan Burham, CNMAmes, IA 500101942254958
  2. Donna Deardorff, CNM, ARNPAmes, IA 500101033107768
  3. Carol Ellertson, ARNP, MS, CNMAmes, IA 500101518955822
  4. Amy Epstein, CNMAmes, IA 500101457126997
  5. Rachel Hayward, CNMAmes, IA 500101164744694
  6. Dawn Heaberlin, CNMAmes, IA 500101063401115
  7. Alice May, CNMAmes, IA 500101427383397
  8. Mattea Otten, CNMAmes, IA 500101326689878

Common questions

What is Crystal Lynn Iddings's NPI number?

Crystal Lynn Iddings's National Provider Identifier (NPI) is 1891365235, issued on Jun 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Lynn Iddings located?

The NPPES record lists a practice address at 3624 Fletcher Cir, Ames, IA, 50010. Phone: (832) 226-9248. Providers update this record themselves, so call before visiting.

How can I verify Crystal Lynn Iddings's license?

NPPES lists Iowa license number B164269, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Crystal Lynn Iddings prescribe under Medicare Part D?

In 2024, Crystal Lynn Iddings had 30 Medicare Part D claims for 11 beneficiaries; the average among advanced practice midwife prescribers was 72. 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.