NPPES file of Aug 9, 2026

Margaret Anne Siegel, PA

Medical Physician Assistant · Des Moines, IA

Margaret Anne Siegel, PA is a medical physician assistant with a practice address in Des Moines, Iowa, and NPI 1043521958, issued on Jun 24, 2010. Check the license (Iowa 002129, 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
1043521958
Name
Margaret Anne Siegel
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
002129 IA
Self-reported in NPPES; status is on the state search
Practice location
1111 6TH Ave, Des Moines, IA 50314
Phone
(515) 247-4445
Enumerated
Jun 24, 2010
Record last updated
Dec 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(515) 643-8933
Medicare enrollment
Enrolled (PECOS I20101005001247); 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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Also registered at 1111 6TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Muhammad Abdul-Wahab, MDDiagnostic Radiology Physician1649690686
  2. Alissa AbelCertified Registered Nurse Anesthetist1124888599
  3. Kenneth Acevedo, MDFamily Medicine Physician1154190148
  4. Luis Acosta, MDInternal Medicine Physician1376398842
  5. Luis Acosta Nunez, MDHospitalist Physician1154018349
  6. Steve Adelman, DONeurology Physician1639283294

Verify Margaret Anne Siegel 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 002129
    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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97% fewer Medicare Part D claims than the average medical physician assistant in 2024

38 Medicare Part D claims for 30 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Margaret Siegel38
  2. Specialty average1,148

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.

Margaret Anne Siegel among 235 medical physician assistant records in Iowa

Margaret Anne Siegel, PA is one of 235 medical physician assistant records with a practice address in Iowa. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 54% of them.

  • NPI issued2010 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2010 · median 2012 among the 144 with a school on file
  • Record last updated2013 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Iowa

There are 235 medical physician assistant records in Iowa.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Jonah Beer, PA-CDes Moines, IA 503141588543912
  2. Emily Erickson, PA-CDes Moines, IA 503141376776898
  3. Nana Abenaa Hoover, PADes Moines, IA 503141801537188
  4. Sharon Johnson, P.A.Des Moines, IA 503141912982968
  5. Amy Welch, PA-C,Des Moines, IA 503141174519003
  6. Stacy Van Heeswyk, PA-CDes Moines, IA 503151992332563
  7. Sarah Lochman, PADes Moines, IA 503121497382949
  8. Ingrid Lundgren, PA-CDes Moines, IA 503161023212446

Common questions

What is Margaret Anne Siegel, PA's NPI number?

Margaret Anne Siegel, PA's National Provider Identifier (NPI) is 1043521958, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Anne Siegel, PA located?

The NPPES record lists a practice address at 1111 6TH Ave, Des Moines, IA, 50314. Phone: (515) 247-4445. Providers update this record themselves, so call before visiting.

How can I verify Margaret Anne Siegel, PA's license?

NPPES lists Iowa license number 002129, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Anne Siegel, PA prescribe under Medicare Part D?

In 2024, Margaret Anne Siegel, PA had 38 Medicare Part D claims for 30 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.