DR. JOHN D GRIZZARD M.D.
NPI 1629172861
Radiology - Diagnostic Radiology in Newport News, VA
About Dr. John D Grizzard M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN D GRIZZARD M.D. (NPI 1629172861) is an individual diagnostic radiology provider in Newport News, Virginia, licensed in Virginia (0101035488) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Medical College Of Virginia Hospitals, and maintains a secondary practice location in Richmond.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Dr. John D Grizzard 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 John Grizzard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, VA 23298
- Reassigned Medicare billing, Virginia enrollment
- 2,481 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 10
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medical College Of Virginia Hospitals
Acute Care Hospitals · Richmond, VAVcu Health Tappahannock Hospital
Acute Care Hospitals · Tappahannock, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23601 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.
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.
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
NEWPORT NEWS, VA 23601
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 John Grizzard's NPI number?
The NPI number for John Grizzard is 1629172861. It was assigned to this individual provider in the NPPES registry on September 8, 2006.
Where is John Grizzard located?
John Grizzard practices at 500 J Clyde Morris Blvd, Newport News, VA 23601. The listed phone number is (757) 594-2074.
What is John Grizzard's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Grizzard enrolled in Medicare?
Yes. John Grizzard 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 John Grizzard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grizzard reassigns Medicare benefits to Mcv Associated Physicians (Richmond, VA). 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 John Grizzard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Grizzard accept?
Health plans from Oscar Health list John Grizzard 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 John Grizzard affiliated with any hospitals?
According to CMS data, John Grizzard is affiliated with Medical College Of Virginia Hospitals and Vcu Health Tappahannock Hospital.
When was this NPI record last updated?
The NPPES record for John Grizzard was last updated on March 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.