NPPES file of Aug 9, 2026

Omar Alzarkali, DO

Hematology & Oncology Physician · Grand Rapids, MI

Omar Alzarkali, DO is a hematology & oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1346826229, issued on Mar 22, 2021. Check the license (Michigan 5101029376, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1346826229
Name
Omar Alzarkali
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
5101029376 MI
Self-reported in NPPES; status is on the state search
Practice location
145 Michigan St NE Ste 2200, Grand Rapids, MI 49503
Phone
(616) 486-5933
Enumerated
Mar 22, 2021
Record last updated
Jul 2, 2026
Fax
(616) 486-5392
Medicare enrollment
Enrolled (PECOS I20241001004218); 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 145 Michigan St NE Ste 2200

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

  1. Anas Al-Janadi, M.D.Medical Oncology Physician1790727360
  2. Jamie Albert, NPNurse Practitioner1629516661
  3. Mohammad Alhyari, MDHematology & Oncology Physician1346554912
  4. Anna Alperovich, M.D.Internal Medicine Physician1124388269
  5. Maryann AririguzoHematology & Oncology Physician1932801388
  6. Christina Barton, FNP-BCFamily Nurse Practitioner1134721814

Verify Omar Alzarkali in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101029376    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 Michigan license search

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97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

28 Medicare Part D claims for 14 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.

  1. Omar Alzarkali28
  2. Specialty average877

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.

Bills Medicare through one group practice

  1. Inpatient Care Specialists LLCInverness, FL

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

Hematology & Oncology Physician providers in Michigan

There are 340 hematology & oncology physician records in Michigan.

All 340 in Michigan → Every provider in Grand Rapids →

Other hematology & oncology physician records in Michigan

  1. Ahmed Abdel-Maksoud, MDMidland, MI1295917086
  2. Jonathan Abramson, M. D.Bay City, MI1194715276
  3. Calvin Abro, MDBattle Creek, MI1346765724
  4. Sheetal Acharya, MDMarquette, MI1932128097
  5. Lindsey AckermanSterling Heights, MI1689275026
  6. Paul Adams, M.D.Flint, MI1811952591
  7. Orimisan Adekolujo, MDFlint, MI1114276474
  8. Bharat Agrawal, MDKalamazoo, MI1568418358
  9. Muhammad Ahmed, M.D.Three Rivers, MI1417997065
  10. Shabbir Ahmed, M.D.Detroit, MI1316907348

Common questions

What is Omar Alzarkali, DO's NPI number?

Omar Alzarkali, DO's National Provider Identifier (NPI) is 1346826229, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Omar Alzarkali, DO located?

The NPPES record lists a practice address at 145 Michigan St NE Ste 2200, Grand Rapids, MI, 49503. Phone: (616) 486-5933. Providers update this record themselves, so call before visiting.

How can I verify Omar Alzarkali, DO's license?

NPPES lists Michigan license number 5101029376, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Omar Alzarkali, DO prescribe under Medicare Part D?

In 2024, Omar Alzarkali, DO had 28 Medicare Part D claims for 14 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.

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.