Michael Jelinek, M.D.
NPI 1720426513 · Medical Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Jelinek, M.D. is a Medical Oncology Physician provider in Chicago, IL (NPI 1720426513).
Provider details
- NPI number
- 1720426513
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-139717 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,228 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 317 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 276 | $149 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 169 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 146 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 61 | 44 |
| Levothyroxine Sodium | 60 | 20 |
| Prednisone | 44 | 23 |
| Oxycodone Hcl | 40 | 15 |
| Prochlorperazine Maleate | 38 | 24 |
| Dexamethasone | 38 | 27 |
| Gabapentin | 36 | — |
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland AveMc 7082Chicago, IL 60637-1447Phone: (773) 702-6840
Registry dates
- Enumerated
- 2013-06-13
- Last updated
- 2019-06-24
Frequently asked questions
- What is Michael Jelinek's NPI number?
- Michael Jelinek's National Provider Identifier (NPI) is 1720426513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Jelinek's specialty?
- Michael Jelinek is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Jelinek located?
- Michael Jelinek's practice location on file with NPPES is 1725 W Harrison St Ste 809, Chicago, IL 60612-3861.
- What is Michael Jelinek's phone number?
- The practice phone number listed in the NPPES registry for Michael Jelinek is (312) 942-5904.
- Does Michael Jelinek accept Medicare?
- Michael Jelinek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Jelinek's NPI active?
- Yes — Michael Jelinek's NPI (1720426513) is active in the NPPES registry as of the last update on 2019-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.