Jacqueline J. Celmer, FNP
NPI 1811245178ActiveIndividual· Nurse Practitioner, Family· Countryside, IL
Nurse Practitioner, Family (FNP) with Nani Internal Med LLC, practicing in Countryside, Illinois. Their prescriptions cost Medicare Part D more than their services did: $536,459 for 4,933 claims, against $70,768 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $872.40 in all, mostly food and beverage. Lists Advocate Good Samaritan Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811245178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Aug 16, 2012 |
| Last updated in NPPES | Apr 28, 2025 |
| Certified by provider | Apr 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209009524 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 2,166 across 35 procedure codes |
| Paid by Medicare | $70,768 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,933 · 9,876 30-day fills |
|---|---|
| Patients | 532 |
| Total drug cost | $536,459 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Nani Internal Med LLCWestmont, IL · 5 clinicians
Hospital affiliations
- Advocate Good Samaritan HospitalDowners Grove, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
- Uchicago Medicine Adventhealth BolingbrookBolingbrook, IL
- Uchicago Medicine Adventhealth HinsdaleHinsdale, IL
- Uchicago Medicine Adventhealth la GrangeLa Grange, IL
Other facilities
- Shirley Ryan AbilitylabInpatient rehabilitation facility · Chicago, IL
Industry payments (Open Payments)
- 2025$872.40 · 47 payments from 13 companies
- 2024$607.13 · 29 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $209.43 | 13 |
| Amgen Inc. | $138.04 | 7 |
| Lilly USA, LLC | $109.34 | 6 |
| Otsuka America Pharmaceutical, Inc. | $93.72 | 5 |
| Radius Health, Inc. | $76.81 | 4 |
What the 2025 payments were for
- Food and Beverage$872.40 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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