KENNETH M BROCK M.D.
NPI 1861856080
Radiology - Diagnostic Radiology in Old Westbury, NY
About Kenneth M Brock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KENNETH M BROCK M.D. (NPI 1861856080) is an individual diagnostic radiology provider in Old Westbury, New York, licensed in New York (330543) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Hackensack Meridian Health, Mountainside Medical, and maintains a secondary practice location in Paoli.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Kenneth M Brock M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
16Medicare enrollment records show Kenneth Brock reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
White Plains, NY 10601
- Reassigned Medicare billing, New Jersey enrollment
West Islip, NY 11795
- Reassigned Medicare billing, New Jersey enrollment
- 32 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New Jersey enrollment
- 3 clinicians in this Medicare group
Hamilton, NJ 08691
- Reassigned Medicare billing, New Jersey enrollment
- 130 clinicians in this Medicare group
Manahawkin, NJ 08050
- Reassigned Medicare billing, New Jersey enrollment
- 58 clinicians in this Medicare group
Saratoga Springs, NY 12866
- Reassigned Medicare billing, New York enrollment
- 51 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 332 clinicians in this Medicare group
Buffalo, NY 14214
- Reassigned Medicare billing, New Jersey enrollment
- 2 clinicians in this Medicare group
Lewiston, NY 14092
- Reassigned Medicare billing, New Jersey enrollment
Mount Pleasant, WI 53177
- Reassigned Medicare billing, Wisconsin enrollment
- 237 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 5
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.
Hackensack Meridian Health, Mountainside Medical
Acute Care Hospitals · Montclair, NJVassar Brothers Medical Center
Acute Care Hospitals · Poughkeepsie, NYSt Mary's Healthcare
Acute Care Hospitals · Amsterdam, NYGarnet Health Medical Center
Acute Care Hospitals · Middletown, NYSt Luke's Cornwall Hospital
Acute Care Hospitals · Newburgh, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11568 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 Kenneth Brock's NPI number?
The NPI number for Kenneth Brock is 1861856080. It was assigned to this individual provider in the NPPES registry on April 13, 2016.
Where is Kenneth Brock located?
Kenneth Brock practices at 19 The Pines, Old Westbury, NY 11568. The listed phone number is (516) 633-1436.
What is Kenneth Brock's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Kenneth Brock enrolled in Medicare?
Yes. Kenneth Brock is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kenneth Brock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Brock reassigns Medicare benefits to 16 organizations: East Post Road Medical Services PC (White Plains, NY), Empire State Radiology P C (West Islip, NY), Nuvance Health Medical Practice PC (Poughkeepsie, NY), Radiology Affiliates Of Central New Jersey PC (Hamilton, NJ), Coastal Imaging LLC (Manahawkin, NJ) and 11 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 Kenneth Brock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kenneth Brock accept?
Health plans from Blue Care Network of Michigan, Cigna Healthcare, Oscar Health and Oscar Insurance Company list Kenneth Brock 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 Kenneth Brock affiliated with any hospitals?
According to CMS data, Kenneth Brock is affiliated with Hackensack Meridian Health, Mountainside Medical, Vassar Brothers Medical Center, St Mary's Healthcare, Garnet Health Medical Center and St Luke's Cornwall Hospital.
When was this NPI record last updated?
The NPPES record for Kenneth Brock was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.
# Kenneth M Brock, M.D. · NPI 1861856080
Diagnostic Radiology physician in Old Westbury, New York. Individual provider, active in the CMS NPPES registry since April 13, 2016.
## Identity
- **NPI:** 1861856080 (Entity type: Individual)
- **Enumerated:** April 13, 2016
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 330543 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 19 THE PINES, Old Westbury, NY 11568-1126
- **Phone:** (516) 633-1436
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 16 organizations under Medicare reassignment (form CMS-855R): East Post Road Medical Services PC (NPI 1841767274, White Plains, NY); Empire State Radiology P C (NPI 1255962783, West Islip, NY); Nuvance Health Medical Practice PC (NPI 1437358033, Poughkeepsie, NY); Radiology Affiliates Of Central New Jersey PC (NPI 1811994791, Hamilton, NJ); Coastal Imaging LLC (NPI 1710334727, Manahawkin, NJ); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 5, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1861856080) · Data from the CMS NPPES public registry.