Quick answers
- Does Cynthia M. Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Cynthia M. Lewis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Cynthia M. Lewis see?
- In 2024, CMS data shows 390 Original Medicare patients and 673 services for Cynthia M. Lewis. This counts Original Medicare only and measures volume, not quality.
- What is Cynthia M. Lewis's NPI number?
- 1235100660. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Cynthia M. Lewis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 390 |
|---|---|
| Services billed to Medicare | 673 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)217 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)185 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)146 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)44 services
- 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's (G2211)20 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol73%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)58%
- Arthritis47%
- Diabetes29%
- Ischemic heart disease27%
Hospitals where Cynthia M. Lewis works
Medicare's Facility Affiliation Data lists Cynthia M. Lewis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- CHI Health Good SamaritanKearney, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280009
- Community HospitalMcCook, NE · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 281363
- Cozad Community HospitalCozad, NE · Critical Access Hospital · Emergency services: listed by Medicare · CCN 281327
- The Nebraska Medical CenterOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280013
- Tri Valley Health SystemCambridge, NE · Critical Access Hospital · Emergency services: listed by Medicare · CCN 281348
Practice locations
Addresses where Cynthia M. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).
- 987400 Nebraska Medical Ctr, UNMC Physicians Nebraska Medical CenterOmaha, NE 68198 (402) 559‑4000
- Emile 42nd StOmaha, NE 68198 (402) 559‑4015
Group practices
Medicare enrollment lists Cynthia M. Lewis as a member of this group (CMS data updated October 2, 2026).
- UNMC Physicians1,518 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Omaha
Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.
Other clinicians in UNMC Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235100660 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians