NPPES file of Aug 9, 2026

Mario Bautista Sy, M.D.

Hematology & Oncology Physician · Bettendorf, IA

Mario Bautista Sy, M.D. is a hematology & oncology physician with a practice address in Bettendorf, Iowa, and NPI 1447210638, issued on Mar 23, 2006. Check the license (Iowa 34978, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447210638
Name
Mario Bautista Sy
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
34978 IA
Self-reported in NPPES; status is on the state search
Practice location
1351 Kimberly RD, Bettendorf, IA 52722
Phone
(563) 355-7733
Enumerated
Mar 23, 2006
Record last updated
Dec 14, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(563) 355-9077
Medicaid ID
2110700 IA
Medicare enrollment
Enrolled (PECOS I20060315000467); 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 1351 Kimberly RD

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

  1. Sheila Barngrover, ARNPNurse Practitioner1861497406
  2. Shobha Chitneni, M.D.Hematology & Oncology Physician1184684987

Verify Mario Bautista Sy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 34978
    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

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39% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,219 Medicare Part D claims for 202 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 199 claims were for opioids.

  1. Mario Sy1,219
  2. Specialty average877

Most prescribed

  1. Dexamethasone77 claims
  2. Anastrozole68 claims
  3. Prochlorperazine Maleate64 claims
  4. Oxycodone Hcl62 claims
  5. Ondansetron Hcl61 claims
  6. Prednisone55 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: $217.15

10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mario Sy$217.15
  2. Specialty average$7,481.41

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. State University OF IowaBettendorf, IA

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

Mario Bautista Sy among 90 hematology & oncology physician records in Iowa

Mario Bautista Sy, M.D. is one of 90 hematology & oncology physician records with a practice address in Iowa. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.

  • NPI issued2006 · 19% of these records are older, 46% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1989 · median 2003 among the 55 with a school on file
  • Record last updated2012 · 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 207RH0003X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Iowa

There are 90 hematology & oncology physician records in Iowa.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Shobha Chitneni, M.D.Bettendorf, IA 527221184684987
  2. Anoop Aggarwal, M.D.Clinton, IA 527321902864739
  3. Jorge Perez-Cardona, M.D.Clinton, IA 527321801829635
  4. Maroun El-Khoury, MDWest Burlington, IA 526551255357943
  5. George Kovach, MDDavenport, IA 528041982663985
  6. Susannah Friemel, M.D.Davenport, IA 528071356352116
  7. Kiron Viswambharan Nair, MDOskaloosa, IA 525771790209914
  8. Rasa Buntinas, MDCedar Rapids, IA 524031902880966

Common questions

What is Mario Bautista Sy, M.D.'s NPI number?

Mario Bautista Sy, M.D.'s National Provider Identifier (NPI) is 1447210638, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mario Bautista Sy, M.D. located?

The NPPES record lists a practice address at 1351 Kimberly RD, Bettendorf, IA, 52722. Phone: (563) 355-7733. Providers update this record themselves, so call before visiting.

How can I verify Mario Bautista Sy, M.D.'s license?

NPPES lists Iowa license number 34978, 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.

How much does Mario Bautista Sy, M.D. prescribe under Medicare Part D?

In 2024, Mario Bautista Sy, M.D. had 1,219 Medicare Part D claims for 202 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.