Peter M. Parker, MD
NPI 1164548814ActiveIndividual· Internal Medicine· Scottsdale, AZ
Internal Medicine (MD) with Affiliated Hospitalists PLC, practicing in Scottsdale, Arizona. In 2024 Medicare paid $155,443 for 636 patients, and Part D covered 510 of their prescriptions, 86% of them generic. Astellas Pharma US Inc was the largest of 2 companies reporting payments in 2025, $55.81 in all, mostly food and beverage. Lists Honor Health John C. Lincoln Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1164548814 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2007 |
| Last updated in NPPES | May 4, 2022 |
| Certified by provider | May 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 36657 | AZ |
| Hospitalist | 208M00000X | 36657 | 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 | 636 |
|---|---|
| Services billed | 1,609 across 8 procedure codes |
| Paid by Medicare | $155,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 510 · 528 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $34,810 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Affiliated Hospitalists PLCPhoenix, AZ · 85 clinicians
Hospital affiliations
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ
- Honorhealth Scottsdale Osborn Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Shea Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Thompson Peak Med CtrScottsdale, AZ
Industry payments (Open Payments)
- 2025$55.81 · 3 payments from 2 companies
- 2024$145.62 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $41.04 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $14.77 | 1 |
What the 2025 payments were for
- Food and Beverage$55.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 471 internal medicine physicians in Scottsdale · All internal medicine physicians in Arizona