Christina A. Tretter, NP-C
NPI 1073984639ActiveIndividual· Internal Medicine· Phoenix, AZ
Internal Medicine (NP-C) with Stone Med LLC, practicing in Phoenix, Arizona. Their prescriptions cost Medicare Part D more than their services did: $211,232 for 2,725 claims, against $47,169 paid for services in 2024. Pfizer Inc. was the largest of 8 companies reporting payments in 2025, $196.88 in all, mostly food and beverage.
Overview
| NPI | 1073984639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Oct 8, 2015 |
| Last updated in NPPES | Jun 6, 2024 |
| Certified by provider | Nov 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | TAP8161 | AZ |
| Pain Medicine, Interventional Pain Medicine | 208VP0014X | MT3783380 | AZ |
| Nurse Practitioner, Adult Health | 363LA2200X | TAP8161 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 1,177 across 21 procedure codes |
| Paid by Medicare | $47,169 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,725 · 3,955 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $211,232 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Stone Med LLCPhoenix, AZ · 2 clinicians
Industry payments (Open Payments)
- 2025$196.88 · 10 payments from 8 companies
- 2024$201.89 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $44.50 | 2 |
| Vertex Pharmaceuticals Incorporated | $39.40 | 2 |
| Abbvie Inc. | $33.20 | 1 |
| Abbott Laboratories | $18.72 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.98 | 1 |
What the 2025 payments were for
- Food and Beverage$196.88 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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