WILLIAM GRADISHAR MD
NPI 1437187929
Internal Medicine - Medical Oncology in Chicago, IL

Q: What is William Gradishar's NPI number?

The NPI number for William Gradishar is 1437187929. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Q: What is William Gradishar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for William Gradishar was last updated on July 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 June 30, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

675 N SAINT CLAIR ST, GALTER 21-100, CHICAGO, IL 60611(312) 695-0990(312) 695-1106 Get Directions Write a Review

NPPES record last updated: July 17, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About William Gradishar Md NPPES

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

WILLIAM GRADISHAR MD (NPI 1437187929) is an individual medical oncology provider in Chicago, Illinois, licensed in Illinois (036067208) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1982).

NPPES Registry Identity

NPI1437187929

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameWILLIAM GRADISHARCredential: MD

Location Address675 N SAINT CLAIR ST, GALTER 21-100Chicago, IL 60611-5975

Mailing Address680 N Lake Shore Dr, Suite 1000Chicago, IL 60611-4546 · (312) 695-9797

Phone(312) 695-0990

Fax(312) 695-1106

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1982

Enumeration DateJune 30, 2006

Last NPPES UpdateJuly 17, 2009

✔ NPI 1437187929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in IL · 036067208

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

675 N SAINT CLAIR ST, Chicago, IL 60611

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Other Identifiers 1

Medicare UPINC42666

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

William Gradishar Md 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 ID648224261

PECOS Enrollment IDI20050308000117

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 20

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.

Injection, fam-trastuzumab deruxtecan-nxki, 1 mg J9358

Fam-Trastuzumab Deruxtecan-nxki (1 mg) is an injection used in cancer treatment. It targets and destroys cancer cells in specific types of breast and stomach cancers. The procedure involves injecting the medication into a vein.

23,900 services17 patients

Injection, fosaprepitant, 1 mg J1453

Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.

11,700 services27 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

8,940 services33 patients

Injection, fulvestrant, 25 mg J9395

Fulvestrant is an injectable medication used to manage certain types of conditions. It works by blocking the effect of a natural substance in your body. The 25 mg dosage refers to the amount of active substance in each injection.

1,460 services28 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

1,320 services38 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

1,060 services36 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.

616 services330 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

239 services44 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

210 services65 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

96 services39 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

92 services33 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

71 services28 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

59 services17 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

55 services19 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

48 services16 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

45 services32 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

41 services41 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

29 services12 patients

Application of on-body injector for under skin injection 96377

An on-body injector is a device used to deliver medication under the skin. It's applied to a clean area of skin, usually the abdomen or back of the arm. The device is activated to inject the medication slowly, ensuring a steady absorption. It's a painless, safe, and effective way to administer certain types of medication.

22 services12 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

16 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$183.39 typical visit price

range $60.08 – $183.39

Typical copayment $45.84 (range $15.02 – $45.84)

Most-billed visit code 99205

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

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.

94.1/100

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

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000

DME-Orthotic Devices · category DF000N

7 suppliers17 claims48 services$32.42 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

TAYLOR MARIE HOGAN WINTERHALER AGACNP-BC

Nurse Practitioner (Acute Care)

675 N SAINT CLAIR ST
CHICAGO, IL 60611

Cook County (206) 883-7722

SHARON A ALLEN APRN

Nurse Practitioner (Adult Health)

675 N SAINT CLAIR ST, 21-100
CHICAGO, IL 60611

Cook County (312) 695-0316

HERON RODRIGUEZ MD

Surgery (Vascular Surgery)

675 N SAINT CLAIR ST, NORTHWESTERN MEMORIAL HOSPIALT GALTER 19-100
CHICAGO, IL 60611

Cook County (312) 695-2714

DR. DARREN MICHAEL BRENNER M.D.

Internal Medicine (Gastroenterology)

675 N SAINT CLAIR ST, SUITE 17-250
CHICAGO, IL 60611

Cook County (312) 695-5620

DR. ABDUL AZIZ AADAM M.D.

Internal Medicine (Gastroenterology)

675 N SAINT CLAIR ST, GASTROENTEROLOGY - SUITE 1400
CHICAGO, IL 60611

Cook County (312) 926-2000

JAN ELMAN STOUT PSYD

Psychologist (Clinical)

675 N SAINT CLAIR ST, SUITE 14-200
CHICAGO, IL 60611

Cook County (312) 695-7269

EMILY ELIZABETH HANDLEY OTD, OTR/L

Occupational Therapist

675 N SAINT CLAIR ST
CHICAGO, IL 60611

Cook County (815) 919-1791

SEEMA SINGHAL MD

Internal Medicine (Hematology)

675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611

Cook County (312) 695-0990

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 William Gradishar's NPI number?

The NPI number for William Gradishar is 1437187929. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is William Gradishar located?

William Gradishar practices at 675 N Saint Clair St Galter 21-100, Chicago, IL 60611. The listed phone number is (312) 695-0990.

What is William Gradishar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is William Gradishar enrolled in Medicare?

Yes. William Gradishar 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 William Gradishar affiliated with any hospitals?

According to CMS data, William Gradishar is affiliated with Palos Community Hospital, Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for William Gradishar was last updated on July 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.