STEPHEN ZALE FADEM (MD) – Nephrology Physician, NPI 1144224163
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,168 NEPHROLOGY in TX
Loading map...
Provider Addresses for STEPHEN ZALE FADEM (MD)
PO BOX 300970
HOUSTON, TX 772300970
Phone: (713) 795-5511
Fax: (713) 795-4627
Type: Mailing
Fannin Street, Houston, Harris County, Texas, 77201, United States
HOUSTON, TX 770302735
Phone: (713) 795-5511
Fax: (713) 795-4627
Type: Location
1900 North Loop W Ste 220
Houston, TX 770188100
Phone: (713) 795-5511
Fax: (713) 795-4627
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 19 Open Payments records for all available years, with a total value of $2,707.
Total Amount is formed as General ($2,707) + Research ($0) + Ownership ($0) = $2,707.
Last reported payment date: 2024-10-25 • Largest payer in this snapshot: CSL Behring ($2,016).
Total Amount
$2,707
General + Research + Ownership
Payments
19
Total payment records
General Amount
$2,707
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CSL Behring | $2,016 |
| Ardelyx, Inc. | $222 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | $145 |
| Amgen Inc. | $132 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $86 |
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: 2011-01-19
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 |
|---|---|---|---|---|
| I20110119000981 | I | Nephrology | 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 |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 311 | 47 | $0 |
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 165 | 13 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 99 | 15 | $0 |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 94 | 13 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 73 | 35 | $0 |
Insurance plans in this area (ZIP 77230)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | TX | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 48 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Nephrology | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Nephrology, Internal Medicine | TX | |
| Physician Assistant | TX | |
| Nephrology, Internal Medicine | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.