Are you James B. Grossweiner, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1220 Hobson Rd Ste 116, Naperville, IL 60540
About Dr. Grossweiner
Based in Naperville, IL, James B. Grossweiner, M.D. is listed in the NPI registry under dermatology. James graduated from R Franklin University of Med & Sci/Chicago Medical School in 1985. Medicare claims data shows James provided 2,480 services to 1,534 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1437114907 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 355-6660
- Email not available
Practice Locations
1220 HOBSON RD STE 116
Naperville, IL 60540
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Procedures & services
Most searched procedures
Diagnostic procedures
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
Procedures Most Often Billed to Medicare
2,480 services · 1,534 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
622 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
295 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
265 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
181 | More often than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
141 | More than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
56 | Less often than most peers in Dermatology |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
55 | More often than most peers in Dermatology |
| Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm | Procedure | 11602 |
42 | More often than most peers in Dermatology |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
19 | Less often than most peers in Dermatology |
| Punch biopsy, each additional skin growth | Procedure | 11105 |
19 | As often as other peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in Naperville 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 7
Providers in IL who bill this service to Medicare most often.
Common questions
What does James B. Grossweiner specialize in?
James B. Grossweiner is a dermatologist (skin doctor) in Naperville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is James B. Grossweiner located?
James B. Grossweiner is listed at 1220 Hobson Rd Ste 116, Naperville, IL 60540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is James B. Grossweiner's phone number?
The number on file is (630) 355-6660. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for James B. Grossweiner?
James B. Grossweiner's National Provider Identifier is 1437114907. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did James B. Grossweiner train?
James B. Grossweiner attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does James B. Grossweiner have?
James B. Grossweiner has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does James B. Grossweiner do most often?
According to Medicare billing data, James B. Grossweiner performs procedures including destruction of precancer skin growth, 2-14 growths, biopsy of related skin growth, first growth and destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is James B. Grossweiner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by James B. Grossweiner. If this is you, claiming it is free.
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