Dorothy A. Trimmer, F.N.P.
NPI 1891756045ActiveIndividual· Nurse Practitioner, Family· Mesa, AZ
Nurse Practitioner, Family (F.N.P.) with Greater Phoenix Collaborative Care PC, practicing in Mesa, Arizona. Their prescriptions cost Medicare Part D more than their services did: $237,532 for 3,240 claims, against $20,287 paid for services in 2024. Intuitive Surgical, Inc. reported $128.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1891756045 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | F.N.P. |
| Sole proprietor | No |
| NPI issued | Mar 29, 2006 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | NPCERTIFICATE #397 | AZ |
| Nurse Practitioner, Family | 363LF0000X | RN048734 | 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 | 148 |
|---|---|
| Services billed | 317 across 20 procedure codes |
| Paid by Medicare | $20,287 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,240 · 8,070 30-day fills |
|---|---|
| Patients | 400 |
| Total drug cost | $237,532 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Greater Phoenix Collaborative Care PCSurprise, AZ · 107 clinicians
Industry payments (Open Payments)
- 2025$128.55 · 1 payment from 1 company
- 2024$127.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $128.55 | 1 |
What the 2025 payments were for
- Food and Beverage$128.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Mesa
- 1023412301
- 1023476819
- 1033876024
- 1043759640
- 1053896902
- 1063018976
- 1073038824
- 1083202592
- 1083265516
- 1083482343
- 1083488308
- 1093261497
All 436 family nurse practitioners in Mesa · All family nurse practitioners in Arizona