Doctor profile · Federal record

Dr. Benjamin Wagner, MD

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Ann Arbor, MI

  • NPI 1851740435
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Additional location
1595 Soquel Dr Ste 110
Santa Cruz, CA 950651717
(831) 462-4444
fax (831) 462-4488
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
June 12, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Michigan #4301502283 · California #A171392

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851740435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
852
Distinct HCPCS
10
Medicare allowed
$104,958
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 231 82 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 194 148 $98
90935 Hemodialysis procedure with physician evaluation 106 50 $73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 66 59 $135
90945 Dialysis procedure including 1 evaluation 63 12 $89
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 50 16 $309
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 45 14 $371
99214 Established patient office or other outpatient visit, 30-39 minutes 43 34 $138
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $122
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 14 $122

In context: peer comparison

Among 17 peers in Ann Arbor Nephrology Physician, average services per provider: 77. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$108
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Mentor Worldwide LLC 1 $107.97

By nature of payment

Food and Beverage
$108

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
853
Patients
217
Total drug cost
$168,752
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 186 59 $2,131
Losartan Potassium Generic 100 31 $2,459
Lisinopril Generic 86 34 $1,129
Carvedilol Generic 83 30 $1,579
Farxiga (Dapagliflozin Propanediol) Brand 67 19 $88,916
Torsemide Generic 48 18 $2,028
Jardiance (Empagliflozin) Brand 45 14 $58,337
Atorvastatin Calcium Generic 38 0 $515
Chlorthalidone Generic 34 0 $1,134
Nifedipine ER (Nifedipine) Brand 34 12 $1,889

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Wagner's medical specialty?
Dr. Benjamin Wagner practices Nephrology Physician in Ann Arbor, MI.
Where does Dr. Benjamin Wagner practice?
Dr. Benjamin Wagner practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Benjamin Wagner's NPI?
Dr. Benjamin Wagner's National Provider Identifier (NPI) is 1851740435, issued by NPPES.
Does Dr. Benjamin Wagner accept Medicare assignment?
Yes. Dr. Benjamin Wagner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Wagner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.