STEPHANIE NIELSEN (MD) – Internal Medicine Physician, NPI 1568923258
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 STEPHANIE NIELSEN (MD)
206, Gayle Avenue, San Antonio, Bexar County, Texas, 78223, United States
SAN ANTONIO, TX 782233342
Phone: (210) 464-3807
Type: Mailing
900 8th Ave
Fort Worth, TX 761043902
Phone: (817) 347-1140
Type: Location
Medical City Fort Worth, 900, 8th Avenue, Fort Worth, Tarrant County, Texas, 76104, United States
FORT WORTH, TX 761043902
Phone: (817) 347-1140
Type: Location
1000 W CANNON ST
FORT WORTH, TX 761043029
Phone: (817) 725-7900
Type: Mailing
3848 N TARRANT PKWY STE 160
FORT WORTH, TX 762445425
Phone: (817) 725-7880
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $61.
Total Amount is formed as General ($61) + Research ($0) + Ownership ($0) = $61.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Organon LLC ($39).
Total Amount
$61
General + Research + Ownership
Payments
3
Total payment records
General Amount
$61
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Organon LLC | $39 |
| Abbott Laboratories | $22 |
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: 2022-04-07
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 |
|---|---|---|---|---|
| I20220407000443 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 475 | 137 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 206 | 83 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 147 | 133 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 147 | 139 | $0 |
| 99497 | Advance care planning, first 30 minutes | 118 | 109 | $0 |
Insurance plans in this area (ZIP 78223)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| Nephrology, Internal Medicine | TX | |
| Physician Assistant | TX | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Physician Assistant | TX | |
| Internal Medicine | LA |
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