DR. STEVEN MERCADO (M.D.) – Internal Medicine Physician, NPI 1043615503
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. STEVEN MERCADO (M.D.)
6535 CAGNON RD
SAN ANTONIO, TX 782522211
Phone: (210) 675-6620
Type: Mailing
1434 E SONTERRA BLVD
SAN ANTONIO, TX 782584971
Phone: (210) 675-6620
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 186 Open Payments records for all available years, with a total value of $6,160.
Total Amount is formed as General ($6,160) + Research ($0) + Ownership ($0) = $6,160.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Lilly USA, LLC ($816).
Total Amount
$6,160
General + Research + Ownership
Payments
186
Total payment records
General Amount
$6,160
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $816 |
| ABBVIE INC. | $645 |
| Nevro Corp. | $362 |
| AstraZeneca Pharmaceuticals LP | $352 |
| Janssen Pharmaceuticals, Inc | $340 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-05-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210520001486 | I | Internal Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 353 | 228 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 182 | 118 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $0 |
| 81002 | Urinalysis, manual test | 14 | 13 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 78252)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| - | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Physician Assistant | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| - | TX |
Reviews
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