AUSTIN CANTU DO
NPI 1346943214
Internal Medicine in Grand Rapids, MI

Active since March 22, 2023PECOS EnrolledAccepts Medicare Assignment
100 MICHIGAN ST NE, GRAND RAPIDS, MI 49503(616) 391-3139 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 17, 2026, Mar 22, 2023 (2 updates tracked since 2023).

About Austin Cantu Do NPPES

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

AUSTIN CANTU DO (NPI 1346943214) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (5101029190) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Marian University College Of Osteopathic Medicine (2023).

NPPES Registry Identity

NPI1346943214
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameAUSTIN CANTUCredential: DO
Location Address100 MICHIGAN ST NEGrand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSMarian University College Of Osteopathic MedicineGraduated 2023
Enumeration DateMarch 22, 2023
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1346943214 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 5101029190
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 MICHIGAN ST NE, Grand Rapids, MI 49503

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Austin Cantu Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082194907
PECOS Enrollment IDI20260722002548
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.

Medicare Billing Reassignment

Medicare enrollment records show Austin Cantu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospitalist
100 MICHIGAN ST NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
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.

Internal Medicine
100 MICHIGAN ST NE, SUITE A721
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Internal Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physical Therapist
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Anesthesiology
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE, MC 71
GRAND RAPIDS, MI 49503
Emergency Medicine
100 MICHIGAN ST NE
GRAND RAPIDS, MI 49503
Physician Assistant
100 MICHIGAN ST NE, SUITE 8861
GRAND RAPIDS, MI 49503

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 Austin Cantu's NPI number?

The NPI number for Austin Cantu is 1346943214. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Where is Austin Cantu located?

Austin Cantu practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-3139.

What is Austin Cantu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Austin Cantu enrolled in Medicare?

Yes. Austin Cantu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Austin Cantu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Austin Cantu reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Austin Cantu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Austin Cantu affiliated with any hospitals?

According to CMS data, Austin Cantu is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Austin Cantu was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.