MR. STEPHEN J WILLIAMS (M.D.) – Infectious Disease Physician, NPI 1184690190
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
362 INFECTIOUS DISEASE in NJ
Loading map...
Provider Addresses for MR. STEPHEN J WILLIAMS (M.D.)
105, Raider Boulevard, Bloomingdale, Hillsborough Township, Somerset County, New Jersey, 08844, United States
SUITE 101
HILLSBOROUGH, NJ 088441528
Phone: (908) 281-0221
Fax: (908) 281-0890
Type: Mailing
Route 10 East, Mill Brook, Randolph Township, Morris County, New Jersey, 07801, United States
RANDOLPH, NJ 07869
Phone: (973) 989-0068
Fax: (973) 361-8955
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $52.
Total Amount is formed as General ($52) + Research ($0) + Ownership ($0) = $52.
Last reported payment date: 2024-07-24 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($22).
Total Amount
$52
General + Research + Ownership
Payments
3
Total payment records
General Amount
$52
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $22 |
| Smith+Nephew, Inc. | $16 |
| Tactile Systems Technology Inc | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-09-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040903000122 | I | Infectious Disease | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,768 | 561 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 623 | 208 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 361 | 209 | $0 |
| 11042 | Removal of skin and tissue, 20.0 sq cm or less | 345 | 73 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 301 | 176 | $0 |
Insurance plans in this area (ZIP 08844)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INFECTIOUS DISEASE | NJ | 11042 | Removal of skin and tissue first 20 sq cm or less | 504 | 100 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Infectious Disease | NJ | |
| Infectious Disease | OH | |
| Nurse Practitioner | NJ | |
| Pediatric Medicine | DE | |
| Nurse Practitioner | NJ | |
| Infectious Disease | NJ | |
| Infectious Disease | NJ | |
| Infectious Disease | NJ | |
| Infectious Disease, Internal Medicine | NJ | |
| Nurse Practitioner | NJ |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.