Johanna Carolina Montoya Castillo, PA-C
NPI 1205348976ActiveIndividual· Physician Assistant, Medical· Chicago, IL
Physician Assistant, Medical (PA-C) with Cermak Medical Group LLC, practicing in Chicago, Illinois. 88 Medicare patients in 2024, $28,395 paid; nearly all of their 152 Part D prescriptions were generic (93%). Cipher Pharmaceuticals US LLC was the largest of 2 companies reporting payments in 2025, $79.06 in all, mostly food and beverage.
Overview
| NPI | 1205348976 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2017 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 085006409 | 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 - Physician Assistant (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 666 across 39 procedure codes |
| Paid by Medicare | $28,395 |
Part D prescriptions in 2024
| Prescriptions (claims) | 152 · 178 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $1,437 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Cermak Medical Group LLCRolling Meadows, IL · 21 clinicians
Industry payments (Open Payments)
- 2025$79.06 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cipher Pharmaceuticals US LLC | $56.37 | 7 |
| Astrazeneca Pharmaceuticals LP | $22.69 | 1 |
What the 2025 payments were for
- Food and Beverage$79.06 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 180 physician assistants in Chicago · All physician assistants in Illinois