Vanessa N. Arteaga-Chen, PA-C
NPI 1164787461ActiveIndividual· Physician Assistant· Tucson, AZ
Physician Assistant (PA-C) with Tmc Medical Network and 1 other group, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $692,451 for 1,036 claims, against $56,412 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 29 companies reporting payments in 2025, $2,893 in all, mostly food and beverage. Lists Tucson Medical Center as a hospital affiliation.
Overview
| NPI | 1164787461 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 12, 2012 |
| Last updated in NPPES | May 4, 2022 |
| Certified by provider | May 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 6782 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 718 across 13 procedure codes |
| Paid by Medicare | $56,412 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,036 · 2,030 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $692,451 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Tmc Medical NetworkTucson, AZ · 281 clinicians
- TmconeGreen Valley, AZ · 96 clinicians
Hospital affiliation
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$2,893 · 101 payments from 29 companies
- 2024$3,787 · 149 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,337 | 29 |
| Astrazeneca Pharmaceuticals LP | $320.77 | 15 |
| Merck Sharp & Dohme LLC | $177.46 | 9 |
| Daiichi Sankyo Inc. | $88.30 | 4 |
| Abbvie Inc. | $73.17 | 3 |
What the 2025 payments were for
- Food and Beverage$1,893 · 89 payments
- Long term medical supply or device loan$999.96 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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