Doctor profile · Federal record

Dr. Stephen Chalmers, M.D.

Nephrology Physician (CMS: Nephrology) · Arlington, TX

  • NPI 1134166143
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1132 S. Bowen RD.
Arlington, TX 76013
(817) 265-9700
fax (817) 277-4164

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
August 18, 2010
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #M9916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134166143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,206
Distinct HCPCS
8
Medicare allowed
$183,664
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 549 149 $69
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 288 44 $346
99213 Established patient office or other outpatient visit, 20-29 minutes 129 77 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 112 43 $89
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 62 27 $288
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 35 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $170
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 13 12 $37

In context: peer comparison

Among 7 peers in Arlington Nephrology Physician, average services per provider: 170. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$664
Transactions
27
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Amgen INC. 9 $213.39
Novartis Pharmaceuticals Corporation 4 $93.34
Bayer Healthcare Pharmaceuticals INC. 3 $86.77
Otsuka America Pharmaceutical, INC. 3 $76.07
Mallinckrodt Hospital Products INC. 3 $68.38
AstraZeneca Pharmaceuticals Lp 2 $48.12
Boehringer Ingelheim Pharmaceuticals, INC. 1 $33.01
Ardelyx, INC. 1 $24.16
Calliditas Therapeutics US INC. 1 $20.39

By nature of payment

Food and Beverage
$664

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
484
Patients
90
Total drug cost
$17,992
Drug Type Claims Patients Total cost
Prosol (Parenteral Amino Acid 20% No.1) Brand 54 0 $5,289
Amlodipine Besylate Generic 47 15 $319
Losartan Potassium Generic 47 13 $619
Calcitriol Generic 45 12 $923
Hydralazine Hcl Generic 43 14 $1,038
Allopurinol Generic 37 0 $180
Furosemide Generic 36 12 $278
Nifedipine ER (Nifedipine) Brand 28 12 $1,079
Calcium Acetate Generic 25 0 $2,865
Clinisol (Parenteral Amino Acid 15% No.5) Brand 25 0 $4,165

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Chalmers's medical specialty?
Dr. Stephen Chalmers practices Nephrology Physician in Arlington, TX.
Where does Dr. Stephen Chalmers practice?
Dr. Stephen Chalmers practices at 1132 S. Bowen RD., Arlington, TX 76013. Office phone: 8172659700.
What is Dr. Stephen Chalmers's NPI?
Dr. Stephen Chalmers's National Provider Identifier (NPI) is 1134166143, issued by NPPES.
Does Dr. Stephen Chalmers accept Medicare assignment?
Yes. Dr. Stephen Chalmers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Chalmers commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.