Amar Parkash Sharma, MD
NPI 1245415710ActiveIndividual· Internal Medicine· Sun City, AZ
Internal Medicine (MD) with Greater Phoenix Collaborative Care PC and 1 other group, practicing in Sun City, Arizona. Their prescriptions cost Medicare Part D more than their services did: $366,953 for 4,347 claims, against $60,571 paid for services in 2024. Medtronic, Inc. reported $130.43 in payments in 2025, mostly food and beverage. Lists Honor Health John C. Lincoln Medical Center as a hospital affiliation.
Overview
| NPI | 1245415710 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 3, 2008 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 40693 | 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 | 203 |
|---|---|
| Services billed | 780 across 25 procedure codes |
| Paid by Medicare | $60,571 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,347 · 10,351 30-day fills |
|---|---|
| Patients | 440 |
| Total drug cost | $366,953 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Greater Phoenix Collaborative Care PCSurprise, AZ · 107 clinicians
- Greatcare and Wellness LLCSun City, AZ · 2 clinicians
Hospital affiliation
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ
Industry payments (Open Payments)
- 2025$130.43 · 1 payment from 1 company
- 2024$17.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $130.43 | 1 |
What the 2025 payments were for
- Food and Beverage$130.43 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 internal medicine physicians in Sun City · All internal medicine physicians in Arizona