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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARYANN ARIRIGUZO
NPI 1932801388
Internal Medicine - Hematology & Oncology in Grand Rapids, MI

Active since March 20, 2023PECOS Enrolled
145 MICHIGAN ST NE STE 2200, GRAND RAPIDS, MI 49503(616) 486-5933(616) 486-5392 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 17, 2026, May 17, 2023, Mar 20, 2023 (3 updates tracked since 2023).

About Maryann Aririguzo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARYANN ARIRIGUZO (NPI 1932801388) is an individual hematology & oncology provider in Grand Rapids, Michigan, licensed in Michigan (5101029170) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932801388
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameMARYANN ARIRIGUZO
Location Address145 MICHIGAN ST NE STE 2200Grand Rapids, MI 49503-2562
Mailing Address145 Michigan St Ne Ste 2200Grand Rapids, MI 49503-2562 · (616) 486-5933 · Fax (616) 486-5392
Phone(616) 486-5933
Fax(616) 486-5392
Sole ProprietorNo
Enumeration DateMarch 20, 2023
Last NPPES UpdateJuly 17, 20263 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1932801388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MI · 5101029170
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
145 MICHIGAN ST NE STE 2200, Grand Rapids, MI 49503
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maryann Aririguzo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHAHM WASIM RASLAN MD
Internal Medicine (Hematology & Oncology)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
ALESANDRA BROWN PA-C
Physician Assistant
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
DR. SAMI BRAKE MD
Internal Medicine (Medical Oncology)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
RUPIN SHAH
Internal Medicine (Hematology)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
DR. JOSHUA DAVID CORTEVILLE MD
Radiology (Radiation Oncology)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5750
DR. ANNA LISA ALPEROVICH M.D.
Internal Medicine
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
CHRISTINA MARIE BARTON FNP-BC
Nurse Practitioner (Family)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-5933
MRS. JENNA LYNN SEEHASE
Nurse Practitioner (Family)
145 MICHIGAN ST NE STE 2200
GRAND RAPIDS, MI 49503
Kent County (616) 486-7075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maryann Aririguzo's NPI number?

The NPI number for Maryann Aririguzo is 1932801388. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Maryann Aririguzo located?

Maryann Aririguzo practices at 145 Michigan St NE Ste 2200, Grand Rapids, MI 49503. The listed phone number is (616) 486-5933.

What is Maryann Aririguzo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Maryann Aririguzo enrolled in Medicare?

Yes. Maryann Aririguzo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maryann Aririguzo was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.