DR. DENNIS GROSSMAN MD
NPI 1972505659
Internal Medicine in Cleveland, OH
About Dr. Dennis Grossman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DENNIS GROSSMAN MD (NPI 1972505659) is an individual internal medicine provider in Cleveland, Ohio, licensed in Ohio (35055900) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Dr. Dennis Grossman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dennis Grossman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CLEVELAND, OH 44109
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 Dennis Grossman's NPI number?
The NPI number for Dennis Grossman is 1972505659. It was assigned to this individual provider in the NPPES registry on August 12, 2005.
Where is Dennis Grossman located?
Dennis Grossman practices at 2500 Metrohealth Dr, Cleveland, OH 44109. The listed phone number is (216) 778-7800.
What is Dennis Grossman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dennis Grossman enrolled in Medicare?
Yes. Dennis Grossman is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dennis Grossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Grossman reassigns Medicare benefits to The Metrohealth System (Cleveland, OH). 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 Dennis Grossman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Grossman accept?
Health plans from Anthem Blue Cross and Blue Shield and Molina Healthcare list Dennis Grossman 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 Dennis Grossman was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.