Stephen Williams, M.D.
NPI 1184690190 · Infectious Disease Physician · Randolph, NJ
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Williams, M.D. is a Infectious Disease Physician provider in Randolph, NJ (NPI 1184690190).
Provider details
- NPI number
- 1184690190
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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
20 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,982 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 Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,188 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 483 | $83 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 462 | $27 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 323 | $132 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 259 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ceftriaxone Sodiumbrand: Ceftriaxone | 90 | 18 |
| Cephalexin | 68 | 19 |
| Ertapenem Sodiumbrand: Ertapenem | 63 | 15 |
| Apixabanbrand: Eliquis | 56 | — |
| Diltiazem Hcl | 53 | — |
| Omeprazole | 52 | — |
| Metoprolol Succinate | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
- 2006-02-28
- Last updated
- 2007-07-12
Frequently asked questions
- What is Stephen Williams's NPI number?
- Stephen Williams's National Provider Identifier (NPI) is 1184690190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Williams's specialty?
- Stephen Williams is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Williams located?
- Stephen Williams's practice location on file with NPPES is 765 Route 10 East, Randolph, NJ 07869.
- What is Stephen Williams's phone number?
- The practice phone number listed in the NPPES registry for Stephen Williams is (973) 989-0068.
- Does Stephen Williams accept Medicare?
- Stephen Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Williams's NPI active?
- Yes — Stephen Williams's NPI (1184690190) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.