DR. DAVID M ZIMMERMAN M.D.
NPI 1639148232
Internal Medicine - Hematology & Oncology in Fort Wayne, IN
About Dr. David M Zimmerman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID M ZIMMERMAN M.D. (NPI 1639148232) is an individual hematology & oncology provider in Fort Wayne, Indiana, licensed in Indiana (01050092A) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Lutheran Hospital Of Indiana, and is a graduate of Indiana University School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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. David M Zimmerman M.d. 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 David Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Wayne, IN 46825
- Reassigned Medicare billing, Indiana enrollment
- 27 clinicians in this Medicare group
Columbus, OH 43219
- Reassigned Medicare billing, Indiana enrollment
- 77 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 39
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.
Lutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INParkview Huntington Hospital
Acute Care Hospitals · Huntington, INDupont Hospital LLC
Acute Care Hospitals · Fort Wayne, INCameron Memorial Community Hospital Inc
Critical Access Hospitals · Angola, INAdams Memorial Hospital
Critical Access Hospitals · Decatur, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46804 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.
FORT WAYNE, IN 46804
FORT WAYNE, IN 46804
FORT WAYNE, IN 46804
FORT WAYNE, IN 46804
FORT WAYNE, IN 46804
FORT WAYNE, IN 46804
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 David Zimmerman's NPI number?
The NPI number for David Zimmerman is 1639148232. It was assigned to this individual provider in the NPPES registry on March 16, 2006.
Where is David Zimmerman located?
David Zimmerman practices at 7910 W Jefferson Blvd Ste 108, Fort Wayne, IN 46804. The listed phone number is (260) 484-8830.
What is David Zimmerman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is David Zimmerman enrolled in Medicare?
Yes. David Zimmerman 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 David Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Zimmerman reassigns Medicare benefits to 2 organizations: Fort Wayne Medical Oncology And Hematology, Inc (Fort Wayne, IN) and American Oncology Partners PA (Columbus, OH). 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 David Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Zimmerman accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list David Zimmerman 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 David Zimmerman affiliated with any hospitals?
According to CMS data, David Zimmerman is affiliated with Lutheran Hospital Of Indiana, Parkview Huntington Hospital, Dupont Hospital LLC, Cameron Memorial Community Hospital Inc and Adams Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Zimmerman was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.