Nisar Ahmed, MD
NPI 1023084266ActiveIndividual· Internal Medicine· Chandler, AZ
Internal Medicine (MD) with Pioneer Hospitalists, PLLC, practicing in Chandler, Arizona. 300 Medicare patients in 2024, $55,168 paid; nearly all of their 254 Part D prescriptions were generic (91%). Lists Arizona Spine and Joint Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1023084266 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Jun 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 22549 | AZ |
| Hospitalist | 208M00000X | 22549 | 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 | 300 |
|---|---|
| Services billed | 623 across 9 procedure codes |
| Paid by Medicare | $55,168 |
Part D prescriptions in 2024
| Prescriptions (claims) | 254 · 262 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $10,628 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Pioneer Hospitalists, PLLCChandler, AZ · 50 clinicians
Hospital affiliations
- Arizona Spine and Joint HospitalMesa, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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