Paarth Mehul Shah, MD
NPI 1548722580ActiveIndividual· Internal Medicine· Fairfield, CA
Internal Medicine (MD) with Northbay Physicians Surgery Center, LLC and 1 other group, practicing in Fairfield, California. Their prescriptions cost Medicare Part D more than their services did: $527,586 for 3,851 claims, against $140,807 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $366.60 in all, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1548722580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2019 |
| Last updated in NPPES | Aug 1, 2022 |
| Certified by provider | Jul 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A180238 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 330 |
|---|---|
| Services billed | 2,409 across 47 procedure codes |
| Paid by Medicare | $140,807 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,851 · 8,817 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $527,586 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · San Ramon, CA
- Angelcare Home Health Services, LLCHome health agency · Milpitas, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Mission Home Health of Contra CostaHome health agency · Concord, CA
- Silverline Staff Home HealthHome health agency · Fremont, CA
Industry payments (Open Payments)
- 2025$366.60 · 4 payments from 3 companies
- 2024$29.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $249.74 | 2 |
| Astellas Pharma US Inc | $90.45 | 1 |
| Exact Sciences Corporation | $26.41 | 1 |
What the 2025 payments were for
- Food and Beverage$366.60 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Fairfield
- 1134180219
- 1164097804
- 1275191249
- 1427079169
- 1477522480
- 1619990637
- 1821418302
- 1851715627
- 1962471961
- 1982646154
- 1003899279
- 1326291865
All 65 internal medicine physicians in Fairfield · All internal medicine physicians in California