Ammara Tariq Gill, MD
NPI 1447482096ActiveIndividual· Internal Medicine, Hematology & Oncology· Walnut Creek, CA
Internal Medicine, Hematology & Oncology (MD) with Providence Medical Foundation and 2 other groups, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $483,971 for 196 claims, against $21,342 paid for services in 2024. Daiichi Sankyo Inc. reported $14.79 in payments in 2025, mostly food and beverage. Lists Box Butte General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1447482096 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 16, 2009 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A154333 | CA |
| Internal Medicine | 207R00000X | 2012019220 | MO |
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 - Hematology/Oncology (CA); Practitioner - Hematology/Oncology (NE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 58 |
|---|---|
| Services billed | 195 across 8 procedure codes |
| Paid by Medicare | $21,342 |
Part D prescriptions in 2024
| Prescriptions (claims) | 196 · 251 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $483,971 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
- Regional West Physicians ClinicScottsbluff, NE · 138 clinicians
Hospital affiliations
- Box Butte General HospitalAlliance, NE
- John Muir Medical Center - Concord CampusConcord, CA
- Petaluma Valley HospitalPetaluma, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sonoma Valley HospitalSonoma, CA
Industry payments (Open Payments)
- 2025$14.79 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $14.79 | 1 |
What the 2025 payments were for
- Food and Beverage$14.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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