Arnold Williams, MD
NPI 1588801518 · Psychiatry Physician · Toms River, NJ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arnold Williams, MD is a Psychiatry Physician provider in Toms River, NJ (NPI 1588801518).
Provider details
- NPI number
- 1588801518
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA08707200 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,034 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 798 | $52 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 102 | $172 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $64 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 66 | $83 |
Typical Medicare-allowed amounts for these services range $52–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Paliperidone Palmitatebrand: Invega Sustenna | 32 | — |
| Naltrexone Microspheresbrand: Vivitrol | 24 | — |
| Aripiprazole Lauroxilbrand: Aristada | 21 | — |
| Efinaconazolebrand: Jublia | 19 | — |
| Pantoprazole Sodium | 18 | 13 |
| Clonazepam | 16 | — |
| Aripiprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$690 across 38 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-13
- Last updated
- 2017-03-08
Frequently asked questions
- What is Arnold Williams's NPI number?
- Arnold Williams's National Provider Identifier (NPI) is 1588801518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Williams's specialty?
- Arnold Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Arnold Williams located?
- Arnold Williams's practice location on file with NPPES is 1691 US Highway 9, Toms River, NJ 08755-1245.
- What is Arnold Williams's phone number?
- The practice phone number listed in the NPPES registry for Arnold Williams is (800) 300-0628.
- Does Arnold Williams accept Medicare?
- Arnold Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arnold Williams's NPI active?
- Yes — Arnold Williams's NPI (1588801518) is active in the NPPES registry as of the last update on 2017-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.