Gisha Kattady, M.D.
NPI 1184910390ActiveIndividual· Internal Medicine· Walnut Creek, CA
Internal Medicine (M.D.) with John Muir Physician Network, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $474,039 for 5,507 claims, against $129,615 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $255.97 in all, mostly food and beverage. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1184910390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2011 |
| Last updated in NPPES | Apr 6, 2023 |
| Certified by provider | Apr 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A129457 | CA |
| Internal Medicine | 207R00000X | 4301098526 | MI |
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 | 507 |
|---|---|
| Services billed | 2,530 across 41 procedure codes |
| Paid by Medicare | $129,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,507 · 13,185 30-day fills |
|---|---|
| Patients | 620 |
| Total drug cost | $474,039 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| 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
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
- One Health Home Care, IncHome health agency · Livermore, CA
Industry payments (Open Payments)
- 2025$255.97 · 10 payments from 6 companies
- 2024$136.88 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $71.27 | 3 |
| Pfizer Inc. | $65.47 | 2 |
| Lilly USA, LLC | $59.26 | 2 |
| Exact Sciences Corporation | $25.38 | 1 |
| Novo Nordisk Inc | $17.68 | 1 |
What the 2025 payments were for
- Food and Beverage$255.97 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 204 internal medicine physicians in Walnut Creek · All internal medicine physicians in California