DR. NATHAN MANDEL MOLLBERG D.O.
NPI 1053601195
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Galesburg, MI
About Dr. Nathan Mandel Mollberg D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHAN MANDEL MOLLBERG D.O. (NPI 1053601195) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Galesburg, Michigan, licensed in Michigan (5101021356) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Mclaren Greater Lansing, and is a graduate of Michigan State University College Of Osteopathic Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
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. Nathan Mandel Mollberg D.o. 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
7Medicare enrollment records show Nathan Mollberg reassigns Medicare billing to 7 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
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 167 clinicians in this Medicare group
Mt Pleasant, MI 48858
- Reassigned Medicare billing, Michigan enrollment
- 321 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 242 clinicians in this Medicare group
Bay City, MI 48708
- Reassigned Medicare billing, Michigan enrollment
- 250 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 149 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Greater Lansing
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49053 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.
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 Nathan Mollberg's NPI number?
The NPI number for Nathan Mollberg is 1053601195. It was assigned to this individual provider in the NPPES registry on April 11, 2011.
Where is Nathan Mollberg located?
Nathan Mollberg practices at 953 N 35th St, Galesburg, MI 49053. The listed phone number is (269) 305-7411.
What is Nathan Mollberg's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Nathan Mollberg enrolled in Medicare?
Yes. Nathan Mollberg 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 Nathan Mollberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Mollberg reassigns Medicare benefits to 7 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Mclaren Greater Lansing (Lansing, MI), Mclaren Central Michigan (Mt Pleasant, MI), Mclaren Flint (Flint, MI), Mclaren Bay Region (Bay City, MI) and 2 more organizations, listed in the Medicare section above. 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 Nathan Mollberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathan Mollberg 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 Nathan Mollberg 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 Nathan Mollberg affiliated with any hospitals?
According to CMS data, Nathan Mollberg is affiliated with Mclaren Greater Lansing.
When was this NPI record last updated?
The NPPES record for Nathan Mollberg was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.