DR. MARC JONATHAN GROSSMAN M.D.
NPI 1043422306
Physical Medicine & Rehabilitation in Rockville, MD
About Dr. Marc Jonathan Grossman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC JONATHAN GROSSMAN M.D. (NPI 1043422306) is an individual physical medicine & rehabilitation provider in Rockville, Maryland, licensed in Maryland (D0066318) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
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. Marc Jonathan Grossman 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 Reassignment
Medicare enrollment records show Marc Grossman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 58 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 14
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.
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.
Reported Quality Measures
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 Marc Grossman's NPI number?
The NPI number for Marc Grossman is 1043422306. It was assigned to this individual provider in the NPPES registry on May 7, 2007.
Where is Marc Grossman located?
Marc Grossman practices at 6000 Executive Blvd Ste 300, Rockville, MD 20852. The listed phone number is (240) 207-2030.
What is Marc Grossman's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Marc Grossman enrolled in Medicare?
Yes. Marc Grossman 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 organization bills Medicare for Marc Grossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Grossman reassigns Medicare benefits to Elliot R Goldstein MD & Joel R Schulman MD PA (Rockville, MD). 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 Marc Grossman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marc Grossman was last updated on May 23, 2022. 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.