MR. JOHN ANDREW GRANT M.D.
NPI 1093701278
Neurological Surgery in Rockville Centre, NY
About Mr. John Andrew Grant M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN ANDREW GRANT M.D. (NPI 1093701278) is an individual neurological surgery provider in Rockville Centre, New York, licensed in New York (264268) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Chi Health Bergan Mercy, and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Mr. John Andrew Grant 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
7Medicare enrollment records show John Grant reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 25 clinicians in this Medicare group
Hempstead, NY 11550
- Reassigned Medicare billing, New York enrollment
- 553 clinicians in this Medicare group
Bronx, NY 10456
- Reassigned Medicare billing, New York enrollment
- 795 clinicians in this Medicare group
Farmville, VA 23901
- Reassigned Medicare billing, Virginia enrollment
- 757 clinicians in this Medicare group
Omaha, NE 68124
- Reassigned Medicare billing, Nebraska enrollment
- 1,045 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
- 525 clinicians in this Medicare group
Salina, KS 67401
- Reassigned Medicare billing, Kansas enrollment
- 220 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
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi Health Bergan Mercy
Acute Care Hospitals · Omaha, NERegional West Medical Center
Acute Care Hospitals · Scottsbluff, NEBronxcare Hospital Center
Acute Care Hospitals · Bronx, NYNassau University Medical Center
Acute Care Hospitals · East Meadow, NYCentra Health - Lynchburg Gen Hospital
Acute Care Hospitals · Lynchburg, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11570 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
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 John Grant's NPI number?
The NPI number for John Grant is 1093701278. It was assigned to this individual provider in the NPPES registry on September 23, 2005.
Where is John Grant located?
John Grant practices at 100 Merrick Road Suite 100W, Rockville Centre, NY 11570. The listed phone number is (516) 632-7050.
What is John Grant's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is John Grant enrolled in Medicare?
Yes. John Grant 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 Grant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grant reassigns Medicare benefits to 7 organizations: Neurological Surgery Practice Of Long Island PLLC (Rockville Centre, NY), Nassau Health Care Corporation (Hempstead, NY), Bronxcare Health System (Bronx, NY), Centra Medical Group. LLC (Farmville, VA), Alegent Creighton Clinic (Omaha, NE) and 2 more organizations, 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 John Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Grant accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. list John Grant 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 Grant affiliated with any hospitals?
According to CMS data, John Grant is affiliated with Chi Health Bergan Mercy, Regional West Medical Center, Bronxcare Hospital Center, Nassau University Medical Center and Centra Health - Lynchburg Gen Hospital.
When was this NPI record last updated?
The NPPES record for John Grant was last updated on May 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.
# Mr. John Andrew Grant, M.D. · NPI 1093701278
Neurological Surgery physician in Rockville Centre, New York. Individual provider, active in the CMS NPPES registry since September 23, 2005.
## Identity
- **NPI:** 1093701278 (Entity type: Individual)
- **Enumerated:** September 23, 2005
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** 264268 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MERRICK ROAD, SUITE 100W, Rockville Centre, NY 11570
- **Phone:** (516) 632-7050 · **Fax:** (516) 632-7074
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Neurological Surgery Practice Of Long Island PLLC (NPI 1265529424, Rockville Centre, NY); Nassau Health Care Corporation (NPI 1225054125, Hempstead, NY); Bronxcare Health System (NPI 1073806519, Bronx, NY); Centra Medical Group. LLC (NPI 1336638865, Farmville, VA); Alegent Creighton Clinic (NPI 1548287907, Omaha, NE); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1985
## Record status
- **NPPES last updated:** May 9, 2024
- **Other identifiers:** Medicaid 208392217 (MO); Other 513490 (KS); Medicaid 100149820D (KS); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1093701278) · Data from the CMS NPPES public registry.