DR. JAMES BENJAMIN GROSSWEINER (M.D.) – Dermatology Physician, NPI 1437114907
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
703 DERMATOLOGY in IL
Provider Addresses for DR. JAMES BENJAMIN GROSSWEINER (M.D.)
1220 HOBSON RD STE 116
NAPERVILLE, IL 605408137
Phone: (630) 355-6660
Fax: (630) 527-2856
Type: Location
Medical Office Building 2, 120, Spalding Drive, Naperville, Naperville Township, DuPage County, Illinois, 60540, United States
SUITE 405
NAPERVILLE, IL 605406508
Phone: (630) 355-6660
Fax: (630) 527-2856
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $46.
Total Amount is formed as General ($46) + Research ($0) + Ownership ($0) = $46.
Last reported payment date: 2023-10-13 • Largest payer in this snapshot: PFIZER INC. ($46).
Total Amount
$46
General + Research + Ownership
Payments
3
Total payment records
General Amount
$46
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $46 |
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: 2010-12-23
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 |
|---|---|---|---|---|
| I20101223000162 | I | Dermatology | IL | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 933 | 145 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 432 | 308 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 381 | 257 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 352 | 238 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 321 | 258 | $0 |
Insurance plans in this area (ZIP 60540)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | IL | 11101 | Biopsy of each additional growth of skin and/or tissue | 304 | 193 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | IL | |
| D E R M A T O L O G Y | WI |
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