Tammy S. Ho, M.D.
NPI 1003179128ActiveIndividual· Urology· Irvine, CA
Urology (M.D.) in Irvine, California, trained at Duke University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $505,258 for 2,807 claims, against $226,503 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,224 in all, mostly food and beverage.
Overview
| NPI | 1003179128 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2012 |
| Last updated in NPPES | Feb 4, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 149421 | CA |
| Urology | 208800000X | 2012018713 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 501 |
|---|---|
| Services billed | 14,375 across 81 procedure codes |
| Paid by Medicare | $226,503 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,807 · 5,884 30-day fills |
|---|---|
| Patients | 852 |
| Total drug cost | $505,258 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Orange County Urology Associates Inc A Medical GroupHuntington Beach, CA · 20 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Industry payments (Open Payments)
- 2025$1,224 · 42 payments from 15 companies
- 2024$974.87 · 39 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $267.99 | 11 |
| Calyxo, Inc. | $145.14 | 2 |
| Merck Sharp & Dohme LLC | $113.63 | 4 |
| Sumitomo Pharma America, Inc. | $103.47 | 4 |
| Urogen Pharma, Inc. | $99.09 | 2 |
What the 2025 payments were for
- Food and Beverage$1,224 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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