Maryann Aririguzo
Hematology & Oncology Physician · Grand Rapids, MI
Maryann Aririguzo is a hematology & oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1932801388, issued on Mar 20, 2023. Check the license (Michigan 5101029170, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Maryann Aririguzo
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 5101029170 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 20, 2023
- Record last updated
- Jul 17, 2026
- Fax
- (616) 486-5392
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →
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.
- Anas Al-Janadi, M.D.Medical Oncology Physician1790727360
- Jamie Albert, NPNurse Practitioner1629516661
- Mohammad Alhyari, MDHematology & Oncology Physician1346554912
- Anna Alperovich, M.D.Internal Medicine Physician1124388269
- Omar Alzarkali, DOHematology & Oncology Physician1346826229
- Christina Barton, FNP-BCFamily Nurse Practitioner1134721814
Verify Maryann Aririguzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101029170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
13 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Maryann Aririguzo among 340 hematology & oncology physician records in Michigan
Maryann Aririguzo is one of 340 hematology & oncology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, under 1% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 52% 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 Michigan 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 Michigan
There are 340 hematology & oncology physician records in Michigan.
All 340 in Michigan → Every provider in Grand Rapids → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohammad Alhyari, MDGrand Rapids, MI 495031346554912
- Brett Brinker, MDGrand Rapids, MI 495031750347290
- Sreenivasa Chandana, MDGrand Rapids, MI 495031972705838
- Stephanie Dublis, D.O.Grand Rapids, MI 495031346443769
- Thomas Gribbin, M.D.Grand Rapids, MI 495031639179286
- Colin Hardin, M.D.Grand Rapids, MI 495031639459860
- Daniel Isaac, D.O.Grand Rapids, MI 495031326486416
- Timothy O'Rourke, M.D.Grand Rapids, MI 495031215938303
Common questions
What is Maryann Aririguzo's NPI number?
Maryann Aririguzo's National Provider Identifier (NPI) is 1932801388, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maryann Aririguzo 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 Maryann Aririguzo's license?
NPPES lists Michigan license number 5101029170, 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 Maryann Aririguzo prescribe under Medicare Part D?
In 2024, Maryann Aririguzo had 13 Medicare Part D claims; 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.