Ei Tun, MD
Internal Medicine · Santa Clara
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 4
- 1 carrier
- Office
- 1
Offices
1 location · Permanente Medical Group Inc · 10,928 clinicians in this group
Plans that list them
4 plans · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Tun’s office at (408) 851-1000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| Kaiser Permanente Dual Complete North P2 (HMO D-SNP) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Dual Complete North P23 (HMO D-SNP) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Sr Adv Basic Santa Clara (HMO) | Kaiser Permanente | Listed | Sep 1, 2026 |
| Kaiser Permanente Sr Adv Enhanced Santa Clara (HMO) | Kaiser Permanente | Listed | Sep 1, 2026 |
Drugs they prescribed that Part D paid
$27,764
Pharmacies billed $27,764 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 271) in 2024. At or below the middle of the specialty; the typical internal medicine clinician is at 1%.
229 generic and 42 brand-name prescriptions · $27,764 in drug cost.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Atorvastatin | 37 | $562 | $15 |
| Metformin Hcl Er | 15 | $387 | $26 |
| Rosuvastatin | 20 | $194 | $10 |
| Pantoprazole | 14 | $190 | $14 |
| Lisinopril | 15 | $153 | $10 |
See all 7 drugs
| Atorvastatin | 37 | $562 | $15 |
| Metformin Hcl Er | 15 | $387 | $26 |
| Rosuvastatin | 20 | $194 | $10 |
| Pantoprazole | 14 | $190 | $14 |
| Lisinopril | 15 | $153 | $10 |
| Hydralazine | 12 | $104 | $9 |
| Furosemide | 12 | $67 | $6 |
Year by year
| 2024 | 271 | 46 | 0% (0) | 15% | $27,764 |
| 2023 | 201 | 30 | 0% (0) | 12% | $11,911 |
| 2022 | 34 | 13 | 0% (0) | None | $2,780 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 6 drugs
| Atorvastatin | 22 | $230 | $10 |
| Losartan | 17 | $182 | $11 |
| Lisinopril | 13 | $146 | $11 |
| Amlodipine Besylate | 18 | $59 | $3 |
| Omeprazole | 11 | $50 | $5 |
| Hydrochlorothiazide | 12 | $30 | $3 |
Money from drug and device companies
$19 in 2025
| 2025 | 1 | 1 | None | $19 |
| 2024 | 1 | 1 | None | $16 |
| 2023 | 2 | 2 | None | $54 |
| 2022 | 1 | 1 | None | $26 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Exact Sciences | The Cologuard Plus Collection Kit | $19 | 1 payment
|
See the published payment
| Exact Sciences | Meals · 2025-06-04 | The Cologuard Plus Collection Kit | $19 |
See earlier years (2024, 2023, 2022)
2024: $16
| AstraZeneca Pharmaceuticals LP | Flumist Quadrivalent | $16 | 1 payment
|
2023: $54
| AbbVie | Rinvoq | $29 | 1 payment
|
| Alexion Pharmaceuticals | Ultomiris | $26 | 1 payment
|
2022: $26
| Medtronic | Minimed 770g | $26 | 1 payment
|
Professional record
- NPI
- 1184366775
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Internal medicine (207R00000X); Student in a training program (390200000X)
- Mailing address
- 680 N Abbott Ave, Milpitas, CA, 95035
- NPI first listed
- 2022-04-13
- NPI last updated
- 2025-07-05
- NPI record certified
- 2025-07-05
This is when the NPI record was last certified, not a medical board exam.
This office lists an electronic records connection.