DR. JOSE MARIANO TIU TAN II MD-MBA
NPI 1265849541
Internal Medicine - Cardiovascular Disease in Grand Rapids, MI
About Dr. Jose Mariano Tiu Tan Ii Md-mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSE MARIANO TIU TAN II MD-MBA (NPI 1265849541) is an individual cardiovascular disease provider in Grand Rapids, Michigan, licensed in Michigan (4301112762) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health United Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Dr. Jose Mariano Tiu Tan Ii Md-mba 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.
Medicare Billing Reassignments
4Medicare enrollment records show Jose Mariano Tan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49506
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Hartford, MI 49057
- Reassigned Medicare billing, Michigan enrollment
- 107 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 249 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 724 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.
Areas of Expertise CMS Part B claims 33
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health United Hospital
Acute Care Hospitals · Greenville, MISpectrum Health
Acute Care Hospitals · Grand Rapids, MICorewell Health Big Rapids Hospital
Acute Care Hospitals · Big Rapids, MICorewell Health Ludington Hospital
Acute Care Hospitals · Ludington, MICorewell Health Pennock Hospital
Critical Access Hospitals · Hastings, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49525 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
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 Jose Mariano Tan's NPI number?
The NPI number for Jose Mariano Tan is 1265849541. It was assigned to this individual provider in the NPPES registry on July 17, 2014.
Where is Jose Mariano Tan located?
Jose Mariano Tan practices at 2900 Bradford St NE, Grand Rapids, MI 49525. The listed phone number is (616) 885-5000.
What is Jose Mariano Tan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Jose Mariano Tan enrolled in Medicare?
Yes. Jose Mariano Tan 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 organizations bill Medicare for Jose Mariano Tan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jose Mariano Tan reassigns Medicare benefits to 4 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Lakeland Community Hospital Watervliet (Hartford, MI), Lakeland Hospitals At Niles And St Joseph, Inc (Saint Joseph, MI) and Lakeland Medical Practices (Saint Joseph, MI). Each 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 Jose Mariano Tan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jose Mariano Tan accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Jose Mariano Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jose Mariano Tan affiliated with any hospitals?
According to CMS data, Jose Mariano Tan is affiliated with Spectrum Health United Hospital, Spectrum Health, Corewell Health Big Rapids Hospital, Corewell Health Ludington Hospital and Corewell Health Pennock Hospital.
When was this NPI record last updated?
The NPPES record for Jose Mariano Tan was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.