Doctor profile · Federal record
Dr. Steven Mercado, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · San Antonio, TX
- NPI 1043615503
- Accepts Medicare
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1434 E Sonterra Blvd
San Antonio, TX 782584971
(210) 675-6620 - Mailing address
-
6535 Cagnon RD
San Antonio, TX 782522211
Credentials & registration
- NPI registered
- October 2014 — 12 yrs on file
- Profile last updated
- May 17, 2021
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #J7354
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043615503. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
577
Distinct HCPCS
5
Medicare allowed
$56,740
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 353 | 228 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 182 | 118 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $160 | |
81002 |
Urinalysis, manual test | 14 | 13 | $3 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $107 |
In context: peer comparison
Among 172 peers in San Antonio Internal Medicine Physician, average services per provider: 137. This provider delivers 4.2× the peer median.Open Payments
Industry payments received
All-time total
$2,823
Transactions
80
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 20 | $411.03 | |
| AstraZeneca Pharmaceuticals Lp | 7 | $351.98 | |
| GlaxoSmithKline, LLC. | 7 | $312.80 | |
| Abbvie INC. | 13 | $268.59 | |
| Shield Therapeutics INC | 2 | $249.97 | |
| Novo Nordisk INC | 9 | $230.46 | |
| Axsome Therapeutics, INC. | 4 | $184.30 | |
| Eisai INC. | 3 | $152.97 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $148.68 | |
| Janssen Pharmaceuticals, INC | 1 | $129.30 | |
| Phathom Pharmaceuticals, INC. | 1 | $124.99 | |
| Novartis Pharmaceuticals Corporation | 5 | $83.14 | |
| Merck Sharp & Dohme LLC | 2 | $36.26 | |
| Pfizer INC. | 2 | $36.19 | |
| Seqirus USA INC | 2 | $31.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,592
Patients
872
Total drug cost
$197,584
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 428 | 42 | $160,497 |
| Levothyroxine Sodium | Generic | 428 | 88 | $5,422 |
| Atorvastatin Calcium | Generic | 349 | 101 | $4,158 |
| Losartan Potassium | Generic | 310 | 97 | $3,707 |
| Rosuvastatin Calcium | Generic | 293 | 92 | $6,998 |
| Gabapentin | Generic | 267 | 55 | $3,886 |
| Amlodipine Besylate | Generic | 239 | 79 | $1,343 |
| Metformin Hcl | Generic | 234 | 71 | $1,605 |
| Lisinopril | Generic | 211 | 64 | $1,498 |
| Metoprolol Tartrate | Generic | 163 | 35 | $988 |
Frequently asked questions
What is Dr. Steven Mercado's medical specialty?
Dr. Steven Mercado practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Steven Mercado practice?
Dr. Steven Mercado practices at 1434 E Sonterra Blvd, San Antonio, TX 782584971. Office phone: 2106756620.
What is Dr. Steven Mercado's NPI?
Dr. Steven Mercado's National Provider Identifier (NPI) is 1043615503, issued by NPPES.
Does Dr. Steven Mercado accept Medicare assignment?
Yes. Dr. Steven Mercado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Mercado commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.