Gautamy Chitiki Dhadham, MD;MBBS
NPI 1649423708ActiveIndividual· Internal Medicine, Gastroenterology· Gilbert, AZ
Internal Medicine, Gastroenterology (MD;MBBS) with Banner Physician Specialists Arizona LLC and 1 other group, practicing in Gilbert, Arizona. In 2024 Medicare paid $52,377 for 219 patients, and Part D covered 255 of their prescriptions, 77% of them generic. Olympus Corporation of the Americas was the largest of 3 companies reporting payments in 2025, $1,186 in all, mostly travel and lodging. Lists Banner Desert Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1649423708 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD;MBBS |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2008 |
| Last updated in NPPES | Jan 17, 2023 |
| Certified by provider | Jan 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 67606 | AZ |
| Internal Medicine, Gastroenterology | 207RG0100X | C1-0011161 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 537 across 51 procedure codes |
| Paid by Medicare | $52,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 255 · 325 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $50,722 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Banner Physician Specialists Arizona LLCChandler, AZ · 373 clinicians
- Banner Cancer Center Specialists LLCGilbert, AZ · 344 clinicians
Hospital affiliations
- Banner Desert Medical CenterMesa, AZ
- Banner Gateway Medical CenterGilbert, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$1,186 · 9 payments from 3 companies
- 2024$6,088 · 44 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $1,019 | 6 |
| Medtronic, Inc. | $121.32 | 1 |
| Boston Scientific Corporation | $45.05 | 2 |
What the 2025 payments were for
- Travel and Lodging$956.79 · 5 payments
- Food and Beverage$228.72 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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