Doctor profile · Federal record

Dr. Mark Belz, MD

Nephrology Physician (CMS: Nephrology) · Des Moines, IA

  • NPI 1427012061
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1215 Pleasant Street, Suite 100
Des Moines, IA 503091409
(515) 336-6557
fax (515) 461-2223

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
January 28, 2025
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Iowa #31519
Medicaid
IA #1148361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427012061. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,850
Distinct HCPCS
10
Medicare allowed
$259,498
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 623 279 $99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 428 182 $74
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 218 43 $329
90966 Home dialysis services per month (20 years or older) 204 53 $273
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 83 81 $120
90935 Hemodialysis procedure with physician evaluation 71 41 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 64 48 $81
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $154
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 38 21 $111
90945 Dialysis procedure including 1 evaluation 26 15 $80

In context: peer comparison

Among 9 peers in Des Moines Nephrology Physician, average services per provider: 121. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$582
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Calliditas Therapeutics US INC. 2 $251.15
Bard Peripheral Vascular, INC. 1 $113.37
Amgen INC. 1 $90.13
AstraZeneca Pharmaceuticals Lp 1 $78.90
Baxter Healthcare 1 $25.86
Nxstage Medical, INC. 1 $22.58

By nature of payment

Food and Beverage
$582

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,361
Patients
379
Total drug cost
$25,187
Drug Type Claims Patients Total cost
Furosemide Generic 195 67 $1,890
Lisinopril Generic 146 42 $1,570
Carvedilol Generic 142 36 $1,299
Amlodipine Besylate Generic 141 42 $1,053
Potassium Chloride Generic 108 31 $3,974
Losartan Potassium Generic 86 23 $1,101
Hydralazine Hcl Generic 84 20 $2,096
Irbesartan Generic 66 18 $1,023
Calcium Acetate Generic 65 17 $7,118
Allopurinol Generic 57 14 $882

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Belz's medical specialty?
Dr. Mark Belz practices Nephrology Physician in Des Moines, IA.
Where does Dr. Mark Belz practice?
Dr. Mark Belz practices at 1215 Pleasant Street, Des Moines, IA 503091409. Office phone: 5153366557.
What is Dr. Mark Belz's NPI?
Dr. Mark Belz's National Provider Identifier (NPI) is 1427012061, issued by NPPES.
Does Dr. Mark Belz accept Medicare assignment?
Yes. Dr. Mark Belz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Belz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); 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). Source: CMS Medicare Physician & Other Practitioners file.