Michele W. Tang, M.D.
NPI 1851680797ActiveIndividual· Internal Medicine, Infectious Disease· Mountain View, CA
Internal Medicine, Infectious Disease (M.D.) in Mountain View, California, trained at George Washington University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $3,363,011 for 6,055 claims, against $39,214 paid for services in 2024. Viiv Healthcare Company was the largest of 2 companies reporting payments in 2025, $274.79 in all, mostly gifts.
Overview
| NPI | 1851680797 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2011 |
| Last updated in NPPES | Aug 19, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A91737 | CA |
| Internal Medicine | 207R00000X | A91737 | 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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 297 across 8 procedure codes |
| Paid by Medicare | $39,214 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,055 · 6,336 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $3,363,011 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- East Bay AIDS Center Medical Group IncOakland, CA · 6 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
Other facilities
- Sutter Care at HomeHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$274.79 · 4 payments from 2 companies
- 2024$154.74 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $176.40 | 1 |
| Gilead Sciences, Inc. | $98.39 | 3 |
What the 2025 payments were for
- Gift$176.40 · 1 payment
- Food and Beverage$98.39 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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