Office
1499 Hillcrest Dr, San Antonio, TX 78228
(210) 921-3800
Dr. Guillermo Madero, MD
Internal medicine in San Antonio, TX · Gmg Health Systems Associates
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Accepts Medicare assignmentClaimed by a verified representative
Details
- NPI
- 1235384439
- Specialty
- Internal Medicine
Background and affiliations
- Gender
- Male
- Practice group
- Gmg Health Systems Associates · 117 clinicians
- Offers telehealth
- No
- Accepts Medicare assignment
- Yes
Practice locations
- 1499 Hillcrest Dr, San Antonio, TX 78228 · (210) 921-3800
Industry payments
In 2025, drug and medical-device companies reported $498 in general payments to Guillermo Madero (29 payments). Largest: Novo Nordisk Inc ($137); Bayer Healthcare Pharmaceuticals Inc. ($94.65); Abbott Laboratories ($72.98). Reported under the federal Open Payments program.
Insurance
- Accepts Medicare assignment.
Medicare activity
2024 Medicare-billed services:
Billed services and units in Original Medicare Part B, 2024.
Scroll the table sideways to see every column.
| HCPCS | Billed services / units | Beneficiaries in this row | Service description (English) | Billing setting |
|---|---|---|---|---|
| 71046 | 16 | 16 | X-ray of chest, 2 views | Non-facility |
| 77063 | 29 | 29 | Screening 3d breast mammography | Non-facility |
| 77067 | 29 | 29 | Screening mammography | Non-facility |
| 82962 | 17 | 16 | Blood glucose (sugar) test performed by hand-held instrument | Non-facility |
| 99213 | 18 | 14 | Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Non-facility |
| 99214 | 200 | 106 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Non-facility |
| G0008 | 16 | 16 | Administration of influenza virus vaccine | Non-facility |
Drug billing units (1)
Drug units follow each billing code’s definition.
Scroll the table sideways to see every column.
| HCPCS | Drug billing units | Beneficiaries in this row | Service description (English) | Billing setting |
|---|---|---|---|---|
| 90662 | 12 | 12 | Influenza vaccine split virus, preservative free | Non-facility |
Common questions
Where is Guillermo Madero's office?
The office is at 1499 Hillcrest Dr, San Antonio, TX 78228.
What is Guillermo Madero's phone number?
The office phone is (210) 921-3800.
What is Guillermo Madero's specialty?
Specialty: Internal medicine.
Does Guillermo Madero bill Medicare?
Yes. Guillermo Madero billed Original Medicare Part B services in 2024 (see Medicare activity above).
What is Guillermo Madero's NPI number?
Guillermo Madero's NPI is 1235384439.
Patient reviews
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