Doctor profile · Federal record

Dr. Steven Hallberg, M.D.

Nephrology Physician (CMS: Nephrology) · Ames, IA

  • NPI 1720077035
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1015 Duff Ave
Ames, IA 500105733
(515) 239-4760
fax (515) 239-4420

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 13, 2020
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Iowa #21648
Medicaid
IA #0091389

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720077035. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,680
Distinct HCPCS
10
Medicare allowed
$200,742
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 559 149 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 474 146 $121
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 178 96 $8
80069 Kidney function blood test panel 170 85 $9
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 154 49 $279
84443 Blood test, thyroid stimulating hormone (tsh) 150 78 $16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 147 58 $75
82565 Blood creatinine level 135 74 $5
84132 Blood potassium level 128 72 $5
84295 Blood sodium level 125 71 $5

In context: peer comparison

Among 2 peers in Ames Nephrology Physician, average services per provider: 117. This provider delivers 31× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,760
Patients
374
Total drug cost
$98,855
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 254 42 $3,715
Amlodipine Besylate Generic 234 59 $1,557
Atorvastatin Calcium Generic 225 57 $2,723
Eliquis (Apixaban) Brand 135 14 $79,302
Omeprazole Generic 121 30 $1,097
Furosemide Generic 116 27 $615
Losartan Potassium Generic 115 32 $1,221
Spironolactone Generic 100 16 $705
Metoprolol Succinate Generic 89 16 $1,447
Pravastatin Sodium Generic 74 11 $986

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Hallberg's medical specialty?
Dr. Steven Hallberg practices Nephrology Physician in Ames, IA.
Where does Dr. Steven Hallberg practice?
Dr. Steven Hallberg practices at 1015 Duff Ave, Ames, IA 500105733. Office phone: 5152394760.
What is Dr. Steven Hallberg's NPI?
Dr. Steven Hallberg's National Provider Identifier (NPI) is 1720077035, issued by NPPES.
Does Dr. Steven Hallberg accept Medicare assignment?
Yes. Dr. Steven Hallberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Hallberg commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.