NANCY G MARQUEZ (M.D.) – Surgery Physician, NPI 1912986803
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,644 GENERAL SURGERY in TX
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Provider Addresses for NANCY G MARQUEZ (M.D.)
301, Seton Parkway, Round Rock, Williamson County, Texas, 78665, United States
SUITE 102
ROUND ROCK, TX 786658002
Phone: (512) 498-4860
Type: Location
Austin Ear Nose & Throat Clinic, 3705, Medical Parkway, Central Austin, Austin, Travis County, Texas, 78705, United States
SUITE 250
AUSTIN, TX 787051019
Phone: (512) 334-1885
Type: Mailing
3705 MEDICAL PKWY STE 250
AUSTIN, TX 787051022
Phone: (512) 302-1210
Fax: (512) 451-9752
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 239 Open Payments records for all available years, with a total value of $174,202.
Total Amount is formed as General ($174,202) + Research ($0) + Ownership ($0) = $174,202.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($172,233).
Total Amount
$174,202
General + Research + Ownership
Payments
239
Total payment records
General Amount
$174,202
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 |
|---|---|
| Intuitive Surgical, Inc. | $172,233 |
| Medtronic, Inc. | $1,585 |
| Myriad Genetic Laboratories, Inc. | $185 |
| Heron Therapeutics, Inc. | $110 |
| Davol Inc. | $30 |
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: 2004-09-20
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 |
|---|---|---|---|---|
| I20040920000809 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 40 | 35 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 30 | 25 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 78665)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| General Surgery | TX | |
| General Surgery | OK | |
| General Surgery | TX | |
| General Surgery | TX | |
| General Surgery | MO | |
| General Surgery | KS | |
| General Surgery | TX | |
| General Surgery | TX | |
| General Surgery | TX |
Reviews
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