Quick answers
- Does Nada A. Lygrisse accept Medicare assignment?
- Yes. Medicare's clinician data says Nada A. Lygrisse 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 Nada A. Lygrisse see?
- In 2024, CMS data shows 38 Original Medicare patients and 60 services for Nada A. Lygrisse. This counts Original Medicare only and measures volume, not quality.
- What is Nada A. Lygrisse's NPI number?
- 1871919134. 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 Nada A. Lygrisse, 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 | 38 |
|---|---|
| Services billed to Medicare | 60 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 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 cholesterol71%
- High blood pressure66%
- Arthritis50%
- Diabetes32%
- Depression32%
- Anxiety32%
Hospitals where Nada A. Lygrisse works
Medicare's Facility Affiliation Data lists Nada A. Lygrisse 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.
- Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140135
- Kirby Medical CenterMonticello, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141301
- St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166
Practice locations
Addresses where Nada A. Lygrisse is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Medical Ctr DrMonticello, IL 61856 (217) 762‑1540
- 741 W Pershing RdDecatur, IL 62526 (217) 429‑4119
Group practices
Medicare enrollment lists Nada A. Lygrisse as a member of these groups (CMS data updated October 2, 2026).
- Kirby Medical Center79 clinicians in the group
- Lake Shore Ob Gyn of Decatur S C2 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Monticello
Clinicians with the same Medicare primary specialty in Monticello, IL — not a recommendation.
Other clinicians in Kirby Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871919134 |
| 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