Preston F. Ashby, DO
NPI 1992183198ActiveIndividual· Internal Medicine· Chandler, AZ
Internal Medicine (DO) with Pulmonary Consultants P.C. and 1 other group, practicing in Chandler, Arizona. In 2024 Medicare paid $76,194 for 295 patients, and Part D covered 133 of their prescriptions, 86% of them generic. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $69.63 in all, mostly food and beverage. Lists Honorhealth Four Peaks Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1992183198 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 8, 2015 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 007541 | 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 - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 819 across 12 procedure codes |
| Paid by Medicare | $76,194 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 151 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $7,861 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
| Telehealth | Offers telehealth |
Medical groups
- Pulmonary Consultants P.C.Mesa, AZ · 34 clinicians
- Mulberry Medical LLCTempe, AZ · 28 clinicians
Hospital affiliations
- Honorhealth Four Peaks Medical CenterMesa, AZ
- Honorhealth Scottsdale Osborn Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Shea Medical CenterScottsdale, AZ
- Honorhealth Tempe Medical CenterPhoenix, AZ
- Mayo Clinic HospitalPhoenix, AZ
Other facilities
- Dignity Health at HomeHome health agency · Chandler, AZ
- Maggie's Home Health LLCHome health agency · Cottonwood, AZ
- Nightingale HomecareHome health agency · Phoenix, AZ
- Sweetheart Healthcare LLCHome health agency · Chandler, AZ
- Thema Health ServicesHome health agency · Phoenix, AZ
- Exalt Health Rehabilitation Hospital ScottsdaleInpatient rehabilitation facility · Scottsdale, AZ
Industry payments (Open Payments)
- 2025$69.63 · 4 payments from 2 companies
- 2024$25.03 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $35.32 | 2 |
| Biowound Solutions, Inc. | $34.31 | 2 |
What the 2025 payments were for
- Food and Beverage$69.63 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 134 internal medicine physicians in Chandler · All internal medicine physicians in Arizona