Doctor profile · Federal record

Dr. Stephen Fadem, MD

Nephrology Physician (CMS: Nephrology) · Houston, TX

  • NPI 1144224163
  • Accepts Medicare
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6560 Fannin St Ste 1730
Houston, TX 770302735
(713) 795-5511
fax (713) 795-4627
Additional location
1900 North Loop W Ste 220
Houston, TX 770188100
Mailing address
Po Box 300970
Houston, TX 772300970

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
September 16, 2020
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #E3262
Medicaid
TX #127862401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144224163. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
831
Distinct HCPCS
8
Medicare allowed
$145,122
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 311 47 $352
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 165 13 $40
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99 15 $45
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 94 13 $50
99214 Established patient office or other outpatient visit, 30-39 minutes 73 35 $99
99213 Established patient office or other outpatient visit, 20-29 minutes 42 26 $61
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 34 24 $293
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 13 13 $19

In context: peer comparison

Among 76 peers in Houston Nephrology Physician, average services per provider: 140. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,383
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Csl Behring 6 $2,016.21
Amgen INC. 2 $132.09
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $111.54
Ardelyx, INC. 1 $78.16
Otsuka America Pharmaceutical, INC. 1 $27.50
Travere Therapeutics, INC. 2 $17.49

By nature of payment

Travel and Lodging
$1,959
Food and Beverage
$421
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
565
Patients
143
Total drug cost
$108,509
Drug Type Claims Patients Total cost
Sevelamer Carbonate Generic 77 30 $33,266
Furosemide Generic 65 24 $347
Valsartan Generic 55 18 $2,210
Carvedilol Generic 54 20 $631
Amlodipine Besylate Generic 48 16 $443
Farxiga (Dapagliflozin Propanediol) Brand 46 11 $45,099
Clonidine Hcl Generic 36 11 $288
Nifedipine ER (Nifedipine) Brand 31 13 $1,471
Gabapentin Generic 27 0 $234
Atorvastatin Calcium Generic 25 0 $265

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Fadem's medical specialty?
Dr. Stephen Fadem practices Nephrology Physician in Houston, TX.
Where does Dr. Stephen Fadem practice?
Dr. Stephen Fadem practices at 6560 Fannin St Ste 1730, Houston, TX 770302735. Office phone: 7137955511.
What is Dr. Stephen Fadem's NPI?
Dr. Stephen Fadem's National Provider Identifier (NPI) is 1144224163, issued by NPPES.
Does Dr. Stephen Fadem accept Medicare assignment?
Yes. Dr. Stephen Fadem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Fadem commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457). Source: CMS Medicare Physician & Other Practitioners file.