Claudia Tellez, MD
NPI 1114916517 · Hematology & Oncology Physician · Chicago, IL
Claudia Tellez, MD is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1114916517).
Provider details
- NPI number
- 1114916517
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036085674 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,377 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 505 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 176 | $187 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 152 | $16 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 152 | $132 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 111 | $15 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 64 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 446 | 141 |
| Letrozole | 103 | 38 |
| Apixabanbrand: Eliquis | 75 | 18 |
| Rivaroxabanbrand: Xarelto | 52 | 13 |
| Exemestane | 41 | 14 |
| Gabapentin | 40 | — |
| Palbociclibbrand: Ibrance | 35 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-18
- Last updated
- 2025-02-24
Frequently asked questions
- What is Claudia Tellez's NPI number?
- Claudia Tellez's National Provider Identifier (NPI) is 1114916517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Tellez's specialty?
- Claudia Tellez is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Claudia Tellez located?
- Claudia Tellez's practice location on file with NPPES is 980 N Michigan Avenue Suite 1086, Chicago, IL 60611.
- What is Claudia Tellez's phone number?
- The practice phone number listed in the NPPES registry for Claudia Tellez is (312) 312-3650.
- Is Claudia Tellez's NPI active?
- Yes — Claudia Tellez's NPI (1114916517) is active in the NPPES registry as of the last update on 2025-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.