JOHN DAVID GRAIN
NPI 1255012514
Nurse Anesthetist, Certified Registered in Norfolk, VA
About John David Grain NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DAVID GRAIN (NPI 1255012514) is an individual nurse anesthetist, certified registered in Norfolk, Virginia, licensed in Virginia (0024190312) and active in the NPI registry since July 2023. He is affiliated with Sentara Norfolk General Hospital, maintains a secondary practice location in Virginia Beach, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
John David Grain 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
3Medicare enrollment records show John Grain reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Virginia Beach, VA 23462
- Reassigned Medicare billing, Virginia enrollment
- 321 clinicians in this Medicare group
Virginia Beach, VA 23462
- Reassigned Medicare billing, Virginia enrollment
- 68 clinicians in this Medicare group
Virginia Beach, VA 23456
- Reassigned Medicare billing, Virginia enrollment
- 707 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sentara Norfolk General Hospital
Acute Care Hospitals · Norfolk, VASentara Leigh Hospital
Acute Care Hospitals · Norfolk, VASentara Virginia Beach General Hospital
Acute Care Hospitals · Virginia Beach, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23507 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NORFOLK, VA 23507
NORFOLK, VA 23507
NORFOLK, VA 23507
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 Grain's NPI number?
The NPI number for John Grain is 1255012514. It was assigned to this individual provider in the NPPES registry on July 28, 2023.
Where is John Grain located?
John Grain practices at 600 Gresham Dr, Norfolk, VA 23507. The listed phone number is (757) 388-3000.
What is John Grain's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Grain enrolled in Medicare?
Yes. John Grain 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 John Grain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grain reassigns Medicare benefits to 3 organizations: Atlantic Anesthesia, Inc (Virginia Beach, VA), Consultants In Pain Management, Inc (Virginia Beach, VA) and Smg Anesthesia Specialists LLC (Virginia Beach, VA). 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 John Grain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Grain affiliated with any hospitals?
According to CMS data, John Grain is affiliated with Sentara Norfolk General Hospital, Sentara Leigh Hospital and Sentara Virginia Beach General Hospital.
When was this NPI record last updated?
The NPPES record for John Grain was last updated on July 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.