NPPES file of Aug 9, 2026

Margarida Magalhaes Silverman, MD

Medical Oncology Physician · Iowa City, IA

Margarida Magalhaes Silverman, MD is a medical oncology physician with a practice address in Iowa City, Iowa, and NPI 1295724821, issued on Oct 17, 2005. Check the license (Iowa 32136, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295724821
Name
Margarida Magalhaes Silverman
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
32136 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 384-9156
Enumerated
Oct 17, 2005
Record last updated
Oct 30, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(319) 353-8383
Medicaid ID
0161067 IA
Medicare enrollment
Enrolled (PECOS I20071127000362); 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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8 nearest medical oncology physician records → All 61 in Iowa → Look up another NPI →

Also registered at 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Margarida Magalhaes Silverman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 32136    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
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. State University OF IowaIowa City, IA

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

Margarida Magalhaes Silverman among 61 medical oncology physician records in Iowa

Margarida Magalhaes Silverman, MD is one of 61 medical oncology physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1978 · median 2002 among the 45 with a school on file
  • Record last updated2007 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Iowa

There are 61 medical oncology physician records in Iowa.

All 61 in Iowa → Every provider in Iowa City → Medical Oncology Physician nationwide →

The 8 medical oncology physician records with the nearest ZIP codes

  1. Taher Abu Hejleh, M.B.B.S.Iowa City, IA 522421447469655
  2. Mark Burkard, M.D.Iowa City, IA 522421194903971
  3. Margaret Byrne, M.D.Iowa City, IA 522421295027696
  4. Gerald Clamon, MDIowa City, IA 522421114902913
  5. Naomi Fei, M.D.Iowa City, IA 522421760878755
  6. Gustavo Fernandes Godoy Almeida, MDPHDIowa City, IA 522421073336392
  7. Roger Gingrich, MDIowa City, IA 522421164410007
  8. Ali Naderi, MDIowa City, IA 522421386996114

Common questions

What is Margarida Magalhaes Silverman, MD's NPI number?

Margarida Magalhaes Silverman, MD's National Provider Identifier (NPI) is 1295724821, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margarida Magalhaes Silverman, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 384-9156. Providers update this record themselves, so call before visiting.

How can I verify Margarida Magalhaes Silverman, MD's license?

NPPES lists Iowa license number 32136, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.