JOHN-PHILLIP THOMAS MARKOVIC MD
NPI 1770903189
Internal Medicine in Niles, MI
About John-phillip Thomas Markovic Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN-PHILLIP THOMAS MARKOVIC MD (NPI 1770903189) is an individual internal medicine provider in Niles, Michigan, licensed in Michigan (4301506700) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
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
John-phillip Thomas Markovic Md 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
3Medicare enrollment records show John-phillip Markovic reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Niles, MI 49120
- Reassigned Medicare billing, Michigan enrollment
- 724 clinicians in this Medicare group
Niles, MI 49120
- 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
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 27
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeland Hospital, St Joseph
Acute Care Hospitals · St Joseph, MICorewell Health Watervliet Hospital
Acute Care Hospitals · Watervliet, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49120 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.
NILES, MI 49120
NILES, MI 49120
NILES, MI 49120
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 John-phillip Markovic's NPI number?
The NPI number for John-phillip Markovic is 1770903189. It was assigned to this individual provider in the NPPES registry on April 24, 2014.
Where is John-phillip Markovic located?
John-phillip Markovic practices at 31 N Saint Joseph Ave, Niles, MI 49120. The listed phone number is (269) 684-6777.
What is John-phillip Markovic's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John-phillip Markovic enrolled in Medicare?
Yes. John-phillip Markovic 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 John-phillip Markovic's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John-phillip Markovic reassigns Medicare benefits to 3 organizations: Lakeland Medical Practices (Niles, MI), Lakeland Community Hospital Watervliet (Niles, MI) and Lakeland Hospitals At Niles And St Joseph, Inc (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 John-phillip Markovic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John-phillip Markovic 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 John-phillip Markovic 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 John-phillip Markovic affiliated with any hospitals?
According to CMS data, John-phillip Markovic is affiliated with Lakeland Hospital, St Joseph and Corewell Health Watervliet Hospital.
When was this NPI record last updated?
The NPPES record for John-phillip Markovic was last updated on August 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.