Andamo A. Guillaume, M.D.
NPI 1073504312ActiveIndividual· Otolaryngology· San Antonio, TX
Otolaryngology (M.D.) in San Antonio, Texas, trained at University of California, Geffen School of Medicine (class of 1989). 590 Medicare patients in 2024, $136,804 paid; nearly all of their 632 Part D prescriptions were generic (94%). Medtronic, Inc. was the largest of 13 companies reporting payments in 2025, $3,524 in all, mostly food and beverage.
Overview
| NPI | 1073504312 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 4, 2005 |
| Last updated in NPPES | Mar 25, 2020 |
| Certified by provider | Mar 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | K8186 | TX |
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 - Otolaryngology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 590 |
|---|---|
| Services billed | 1,204 across 37 procedure codes |
| Paid by Medicare | $136,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 632 · 1,139 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $63,132 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- American Sinus Institute PLLCSan Antonio, TX · 4 clinicians
Industry payments (Open Payments)
- 2025$3,524 · 84 payments from 13 companies
- 2024$1,150 · 35 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,475 | 18 |
| Regeneron Healthcare Solutions, Inc. | $675.99 | 19 |
| Integra Lifesciences Corporation | $343.11 | 10 |
| Genzyme Corporation | $298.43 | 7 |
| Glaxosmithkline, LLC. | $195.23 | 10 |
What the 2025 payments were for
- Food and Beverage$2,427 · 77 payments
- Travel and Lodging$997.13 · 6 payments
- Education$99.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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