Stephen Jensik, M.D.
NPI 1245269869 · Transplant Surgery Physician · Chicago, IL
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Jensik, M.D. is a Transplant Surgery Physician provider in Chicago, IL (NPI 1245269869).
Provider details
- NPI number
- 1245269869
- Entity type
- Individual
- Primary specialty
- Transplant Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-050846 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
191 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $68 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 19 | $37 |
| Relocation of Arm Vein With Connection to Arm Artery for Hemodialysis36821 | 18 | $632 |
| Creation of Artery-Vein Connection Using Tube Graft for Hemodialysis36830 | 14 | $690 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $86 |
Typical Medicare-allowed amounts for these services range $37–$690 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 129 | 29 |
| Tamsulosin Hcl | 67 | 24 |
| Nifedipinebrand: Nifedipine Er | 64 | 23 |
| Carvedilol | 62 | 33 |
| Famotidine | 50 | 19 |
| Tramadol Hcl | 44 | 36 |
| Atovaquone | 38 | — |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 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
Additional practice locations (1)
- 9050 W 81st StJustice, IL 60458-1350Phone: (773) 284-9247Fax: (773) 284-9249
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2020-10-29
- Certified
- 2020-10-29
Frequently asked questions
- What is Stephen Jensik's NPI number?
- Stephen Jensik's National Provider Identifier (NPI) is 1245269869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Jensik's specialty?
- Stephen Jensik is listed in the NPPES registry with a primary specialty of Transplant Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Jensik located?
- Stephen Jensik's practice location on file with NPPES is 1725 W Harrison St, Chicago, IL 60612-3841.
- What is Stephen Jensik's phone number?
- The practice phone number listed in the NPPES registry for Stephen Jensik is (312) 942-4252.
- Does Stephen Jensik accept Medicare?
- Stephen Jensik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Jensik's NPI active?
- Yes — Stephen Jensik's NPI (1245269869) is active in the NPPES registry as of the last update on 2020-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.