Stephen Fadem, MD
NPI 1144224163 · Nephrology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Fadem, MD is a Nephrology Physician provider in Houston, TX (NPI 1144224163).
Provider details
- NPI number
- 1144224163
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E3262 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,244 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 431 | $39 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 281 | $351 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 196 | $45 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 182 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $101 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 88 | 28 |
| Valsartan | 62 | 19 |
| Sevelamer Carbonate | 55 | 22 |
| Carvedilol | 48 | 18 |
| Clonidine Hcl | 41 | — |
| Amlodipine Besylate | 40 | 12 |
| Gabapentin | 30 | — |
| Midodrine Hcl | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,383 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1900 North Loop W Ste 220Houston, TX 77018-8100Phone: (713) 795-5511Fax: (713) 795-4627
Registry dates
- Enumerated
- 2005-06-08
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is Stephen Fadem's NPI number?
- Stephen Fadem's National Provider Identifier (NPI) is 1144224163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Fadem's specialty?
- Stephen Fadem is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Fadem located?
- Stephen Fadem's practice location on file with NPPES is 6560 Fannin St Ste 1730, Houston, TX 77030-2735.
- What is Stephen Fadem's phone number?
- The practice phone number listed in the NPPES registry for Stephen Fadem is (713) 795-5511.
- Does Stephen Fadem accept Medicare?
- Stephen Fadem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Fadem's NPI active?
- Yes — Stephen Fadem's NPI (1144224163) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.