Piyush Aggarwal, MD
NPI 1700070273ActiveIndividual· Colon & Rectal Surgery· Walnut Creek, CA
Colon & Rectal Surgery (MD) with John Muir Physician Network, practicing in Walnut Creek, California. 218 Medicare patients in 2024, $129,263 paid; nearly all of their 176 Part D prescriptions were generic (94%). Davol Inc. reported $33.33 in payments in 2025, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700070273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 28, 2007 |
| Last updated in NPPES | Jan 24, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | A157104 | CA |
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 - Colorectal Surgery (Proctology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 630 across 79 procedure codes |
| Paid by Medicare | $129,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 176 · 191 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $7,324 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$33.33 · 1 payment from 1 company
- 2024$3,019 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $33.33 | 1 |
What the 2025 payments were for
- Food and Beverage$33.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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