DR. LARRY LINDENBAUM M.D.
NPI 1205922911
Anesthesiology in Grand Rapids, MI
About Dr. Larry Lindenbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LARRY LINDENBAUM M.D. (NPI 1205922911) is an individual anesthesiology provider in Grand Rapids, Michigan, licensed in Michigan (4301517667) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Larry Lindenbaum M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Larry Lindenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 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.
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 49503
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 Larry Lindenbaum's NPI number?
The NPI number for Larry Lindenbaum is 1205922911. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Larry Lindenbaum located?
Larry Lindenbaum practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-1510.
What is Larry Lindenbaum's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Larry Lindenbaum enrolled in Medicare?
Yes. Larry Lindenbaum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Larry Lindenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Larry Lindenbaum reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). The 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 Larry Lindenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Larry Lindenbaum accept?
Health plans from Sanford Health Plan list Larry Lindenbaum 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.
When was this NPI record last updated?
The NPPES record for Larry Lindenbaum was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.