DR. JAMES BENJAMIN GROSSWEINER M.D.
NPI 1437114907
Dermatology in Naperville, IL

Q: What is James Grossweiner's NPI number?

The NPI number for James Grossweiner is 1437114907. It was assigned to this individual provider in the NPPES registry on April 19, 2006. The provider is also known as Dr. James Benjamin Grossweiner M.D..

Q: What is James Grossweiner's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for James Grossweiner was last updated on July 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 19, 2006PECOS EnrolledAccepts Medicare Assignment

91.35/100

CMS Quality Rating

1220 HOBSON RD STE 116, NAPERVILLE, IL 60540(630) 355-6660(630) 527-2856 Get Directions Write a Review

NPPES record last updated: July 18, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. James Benjamin Grossweiner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES BENJAMIN GROSSWEINER M.D. (NPI 1437114907) is an individual dermatology provider in Naperville, Illinois, licensed in Illinois (036-074040) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1985).

NPPES Registry Identity

NPI1437114907

Entity TypeIndividualMale

Primary Taxonomy207N00000X

Provider Legal NameDR. JAMES BENJAMIN GROSSWEINERCredential: M.D.

Location Address1220 HOBSON RD STE 116Naperville, IL 60540-8137

Mailing Address1220 Hobson Rd Ste 116Naperville, IL 60540-8137 · (630) 355-6660 · Fax (630) 527-2856

Phone(630) 355-6660

Fax(630) 527-2856

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1985

Enumeration DateApril 19, 2006

Last NPPES UpdateJuly 18, 2022

NPPES CertifiedJuly 18, 2022

✔ NPI 1437114907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

License✔ Licensed in IL · 036-074040

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

1220 HOBSON RD STE 116, Naperville, IL 60540

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Other Names 1

Professional Name (2)Dr. James Benjamin Grossweiner M.d.

Other Identifiers 4

Medicaid036074040IL

Other070011565IL · Medicare R.r.

Other2201677IL · Bcbs

Other0300111IL · Uhc

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Benjamin Grossweiner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678761673

PECOS Enrollment IDI20101223000162

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Destruction of precancer skin growth, 2-14 growths 17003

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

622 services114 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

402 services284 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

314 services230 patients

Biopsy of related skin growth, first growth 11102

A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.

295 services236 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

265 services189 patients

Biopsy of related skin growth, each additional growth 11103

A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.

181 services125 patients

Punch biopsy, first skin growth 11104

A punch biopsy is a procedure where a small, circular tool is used to remove a sample of skin tissue. This is usually done to test a skin growth for potential issues. You may feel a pinch, but discomfort is minimal. The area heals quickly.

141 services125 patients

Destruction of skin growth, 1-14 growths 17110

"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.

56 services48 patients

Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 12032

This procedure involves the repair of a wound between 2.6-7.5 cm located on the scalp, underarms, trunk, arms, or legs. The process includes cleaning, debridement (removal of damaged tissue), and suturing (stitching) of the wound to promote healing.

55 services52 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

46 services37 patients

Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm 11602

This procedure involves the surgical removal of a cancerous skin growth on the body, arms, or legs. The growth is between 1.1 and 2.0 cm in size. The goal is to eliminate cancer cells and prevent them from spreading to other parts of the body.

42 services41 patients

Punch biopsy, each additional skin growth 11105

A punch biopsy is a procedure where a small, circular tool removes a sample of your skin growth. This allows for testing to identify the nature of the growth. If there are multiple growths, each additional one may also need a biopsy.

19 services16 patients

Destruction of precancer skin growth, 15 or more growths 17004

This procedure involves removing 15 or more precancerous skin growths to prevent them from developing into cancer. It's done using various methods like freezing, creams, or minor surgery. The goal is to protect your health by stopping cancer before it starts.

19 services15 patients

Removal of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm 11622

This procedure involves the careful removal of a cancerous skin growth measuring between 1.1 to 2.0 cm, located on the scalp, neck, hands, or feet. The goal is to eliminate the cancer and prevent its spread. This is done under local anesthesia to minimize discomfort.

12 services11 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.71

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GROSSWEINER & BLASZAK, P.C.

Dermatology

1220 HOBSON RD STE 116
NAPERVILLE, IL 60540

Dupage County (630) 355-6660

DR. WAYNE JOSEPH BLASZAK M.D.

Dermatology

1220 HOBSON RD STE 116
NAPERVILLE, IL 60540

Dupage County (630) 355-6660

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Grossweiner's NPI number?

The NPI number for James Grossweiner is 1437114907. It was assigned to this individual provider in the NPPES registry on April 19, 2006. The provider is also known as Dr. James Benjamin Grossweiner M.D..

Where is James Grossweiner located?

James Grossweiner practices at 1220 Hobson Rd Ste 116, Naperville, IL 60540. The listed phone number is (630) 355-6660.

What is James Grossweiner's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is James Grossweiner enrolled in Medicare?

Yes. James Grossweiner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is James Grossweiner affiliated with any hospitals?

According to CMS data, James Grossweiner is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for James Grossweiner was last updated on July 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.