GREGORY MICHAEL GRIMALDI M.D.
NPI 1073779617
Radiology - Body Imaging in New York, NY
About Gregory Michael Grimaldi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY MICHAEL GRIMALDI M.D. (NPI 1073779617) is an individual body imaging provider in New York, New York, licensed in New York (243595) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2003).
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
Gregory Michael Grimaldi 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
6Medicare enrollment records show Gregory Grimaldi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 302 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Montvale, NJ 07645
- Reassigned Medicare billing, New Jersey enrollment
- 401 clinicians in this Medicare group
Seaford, NY 11783
- Reassigned Medicare billing, New York enrollment
- 391 clinicians in this Medicare group
Middletown, NJ 07748
- Reassigned Medicare billing, New Jersey enrollment
- 464 clinicians in this Medicare group
Basking Ridge, NJ 07920
- Reassigned Medicare billing, New Jersey enrollment
- 385 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 24
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.
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.
NEW YORK, NY 10065
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 Gregory Grimaldi's NPI number?
The NPI number for Gregory Grimaldi is 1073779617. It was assigned to this individual provider in the NPPES registry on August 4, 2008.
Where is Gregory Grimaldi located?
Gregory Grimaldi practices at 1275 York Ave, New York, NY 10065. The listed phone number is (646) 373-7601.
What is Gregory Grimaldi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Gregory Grimaldi enrolled in Medicare?
Yes. Gregory Grimaldi 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 Gregory Grimaldi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Grimaldi reassigns Medicare benefits to 6 organizations: Mskcc Radiology Group (New York, NY), North Shore - Lij Medical PC (New Hyde Park, NY), Msk Bergen (Montvale, NJ), Southside Faculty Medical Affiliates University Faculty Practice Corp (Seaford, NY), Msk Monmouth (Middletown, NJ) and 1 more organization, 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 Gregory Grimaldi'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 Gregory Grimaldi was last updated on May 7, 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.