ANDREW HEISLER MD
NPI 1043639933
Internal Medicine - Rheumatology in Kalamazoo, MI
About Andrew Heisler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW HEISLER MD (NPI 1043639933) is an individual rheumatology provider in Kalamazoo, Michigan, licensed in Illinois (036142788) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Andrew Heisler 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
2Medicare enrollment records show Andrew Heisler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bronson Methodist Hospital
Acute Care Hospitals · Kalamazoo, MIBronson Battle Creek Hospital
Acute Care Hospitals · Battle Creek, MIBronson South Haven Hospital
Acute Care Hospitals · South Haven, MIBronson Lakeview Hospital
Critical Access Hospitals · Paw Paw, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49007 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Andrew Heisler's NPI number?
The NPI number for Andrew Heisler is 1043639933. It was assigned to this individual provider in the NPPES registry on April 8, 2014.
Where is Andrew Heisler located?
Andrew Heisler practices at 601 John St Ste M-030, Kalamazoo, MI 49007. The listed phone number is (269) 343-3939.
What is Andrew Heisler's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Andrew Heisler enrolled in Medicare?
Yes. Andrew Heisler 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 Andrew Heisler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Heisler reassigns Medicare benefits to 2 organizations: Bronson Methodist Hospital (Kalamazoo, MI) and Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Andrew Heisler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Heisler accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Andrew Heisler 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 Andrew Heisler affiliated with any hospitals?
According to CMS data, Andrew Heisler is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital, Bronson South Haven Hospital and Bronson Lakeview Hospital.
When was this NPI record last updated?
The NPPES record for Andrew Heisler was last updated on September 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Andrew Heisler, MD · NPI 1043639933
Rheumatology physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since April 8, 2014.
## Identity
- **NPI:** 1043639933 (Entity type: Individual)
- **Enumerated:** April 8, 2014
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 036142788 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 JOHN ST STE M-030, Kalamazoo, MI 49007-5341
- **Phone:** (269) 343-3939
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Bronson Methodist Hospital (NPI 1417961137, Kalamazoo, MI); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loyola University Of Chicago, Stritch School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** September 3, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1043639933) · Data from the CMS NPPES public registry.