Majid Kianmajd, DO
NPI 1396008389ActiveIndividual· Surgery· Fairfield, CA
Surgery (DO) with Northbay Physicians Surgery Center, LLC and 1 other group, practicing in Fairfield, California. 263 Medicare patients in 2024, $131,444 paid; all of their 61 Part D prescriptions were generic. Medtronic, Inc. was the largest of 12 companies reporting payments in 2025, $2,696 in all, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1396008389 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 24, 2012 |
| Last updated in NPPES | Apr 13, 2026 |
| Certified by provider | Apr 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 17427 | CA |
| Surgery | 208600000X | R4575 | TX |
| Family Medicine, Bariatric Medicine | 207QB0002X | 17427 | CA |
| Surgery | 208600000X | 25MB10090300 | NJ |
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 - General Surgery (CA); Practitioner - General Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 263 |
|---|---|
| Services billed | 749 across 88 procedure codes |
| Paid by Medicare | $131,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 65 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $574.95 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Industry payments (Open Payments)
- 2025$2,696 · 40 payments from 12 companies
- 2024$1,146 · 31 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,835 | 19 |
| Tela Bio, Inc. | $272.81 | 4 |
| Vertex Pharmaceuticals Incorporated | $145.67 | 2 |
| Davol Inc. | $98.88 | 2 |
| United Therapeutics Corporation | $59.78 | 2 |
What the 2025 payments were for
- Food and Beverage$1,375 · 29 payments
- Travel and Lodging$1,321 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Fairfield
- 1275581886
- 1477641223
- 1497831564
- 1275617771
- 1104811942
- 1336404557
- 1528154523