DR. ARNOLD WILLIAMS MD
NPI 1588801518
Psychiatry & Neurology - Psychiatry in Toms River, NJ
About Dr. Arnold Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARNOLD WILLIAMS MD (NPI 1588801518) is an individual psychiatry provider in Toms River, New Jersey, licensed in New Jersey (25MA08707200) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Rutgers New Jersey Medical School (2006).
NPPES Registry Identity
Specialties & Licenses
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. Arnold Williams Md 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 Arnold Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Orange, NJ 07052
- Reassigned Medicare billing, New Jersey enrollment
- 757 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 4
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.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJCommunity Medical Center
Acute Care Hospitals · Toms River, NJMonmouth Medical Center-Southern Campus
Acute Care Hospitals · Lakewood, NJJfk Medical Center
Acute Care Hospitals · Edison, NJSouthern Ocean Medical Center
Acute Care Hospitals · Manahawkin, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08755 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TOMS RIVER, NJ 08755
TOMS RIVER, NJ 08755
TOMS RIVER, NJ 08755
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 Arnold Williams's NPI number?
The NPI number for Arnold Williams is 1588801518. It was assigned to this individual provider in the NPPES registry on January 13, 2009.
Where is Arnold Williams located?
Arnold Williams practices at 1691 Us Highway 9, Toms River, NJ 08755. The listed phone number is (800) 300-0628.
What is Arnold Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Arnold Williams enrolled in Medicare?
Yes. Arnold Williams 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 Arnold Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arnold Williams reassigns Medicare benefits to Barnabas Health Medical Group, PC (West Orange, NJ). 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 Arnold Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Arnold Williams accept?
Health plans from Ambetter Health list Arnold Williams 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 Arnold Williams affiliated with any hospitals?
According to CMS data, Arnold Williams is affiliated with Robert Wood Johnson University Hospital, Community Medical Center, Monmouth Medical Center-Southern Campus, Jfk Medical Center and Southern Ocean Medical Center.
When was this NPI record last updated?
The NPPES record for Arnold Williams was last updated on March 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Arnold Williams, MD · NPI 1588801518
Psychiatry physician in Toms River, New Jersey. Individual provider, active in the CMS NPPES registry since January 13, 2009.
## Identity
- **NPI:** 1588801518 (Entity type: Individual)
- **Enumerated:** January 13, 2009
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 25MA08707200 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 1691 US HIGHWAY 9, Toms River, NJ 08755-1245
- **Phone:** (800) 300-0628 · **Fax:** (732) 914-3854
## 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:** Barnabas Health Medical Group, PC (NPI 1447206420, West Orange, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2006
## Record status
- **NPPES last updated:** March 8, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1588801518) · Data from the CMS NPPES public registry.