CLAUDIA TELLEZ MD
NPI 1114916517
Internal Medicine - Hematology & Oncology in Chicago, IL

Q: What is Claudia Tellez's NPI number?

The NPI number for Claudia Tellez is 1114916517. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Q: What is Claudia Tellez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: Is Claudia Tellez enrolled in Medicare?

No. Claudia Tellez has opted out of Medicare through November 6, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Claudia Tellez was last updated on February 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 18, 2005Opted out of Medicare · through Nov 6, 2026

94.1/100

CMS Quality Rating

980 N MICHIGAN AVENUE SUITE 1086, CHICAGO, IL 60611(312) 312-3650(312) 312-3653 Get Directions Write a Review

NPPES record last updated: February 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Claudia Tellez Md NPPES

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

CLAUDIA TELLEZ MD (NPI 1114916517) is an individual hematology & oncology provider in Chicago, Illinois, licensed in Illinois (036085674) and active in the NPI registry since October 2005. She has opted out of Medicare through November 6, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1114916517

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameCLAUDIA TELLEZCredential: MD

Location Address980 N MICHIGAN AVENUE SUITE 1086Chicago, IL 60611

Mailing Address980 N Michigan Avenue Suite 1086Chicago, IL 60611 · (312) 312-3650 · Fax (312) 312-3653

Phone(312) 312-3650

Fax(312) 312-3653

Sole ProprietorYes

Enumeration DateOctober 18, 2005

Last NPPES UpdateFebruary 24, 2025

✔ NPI 1114916517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in IL · 036085674

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

980 N MICHIGAN AVENUE SUITE 1086, Chicago, IL 60611

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Other Identifiers 1

Medicaid036085674IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Claudia Tellez Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 6, 2024 through November 6, 2026.

Opt-Out Effective DateNovember 6, 2024

Opt-Out In Effect ThroughNovember 6, 2026Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 19

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.

14,400 services15 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.

9,000 services22 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.

8,220 services34 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.

840 services20 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.

660 services27 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.

640 services24 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.

505 services325 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

176 services70 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.

152 services35 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.

152 services60 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.

111 services57 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.

64 services24 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.

62 services59 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.

46 services22 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.

32 services26 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.

30 services28 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.

24 services13 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

23 services16 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

16 services11 patients

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 2

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

6 suppliers27 claims81 services$34.38 avg. paid by Medicare

Breast prosthesis, silicone or equal, without integral adhesive L8030

DME-Orthotic Devices · category DF000N

5 suppliers15 claims18 services$267.49 avg. paid by Medicare

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

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 Claudia Tellez's NPI number?

The NPI number for Claudia Tellez is 1114916517. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Claudia Tellez located?

Claudia Tellez practices at 980 N Michigan Avenue Suite 1086, Chicago, IL 60611. The listed phone number is (312) 312-3650.

What is Claudia Tellez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Claudia Tellez enrolled in Medicare?

No. Claudia Tellez has opted out of Medicare through November 6, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Claudia Tellez was last updated on February 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.