Doctor profile · Federal record
Dr. Michael Unruh, M.D.
Nephrology Physician (CMS: Nephrology) · Grand Rapids, MI
- NPI 1104036532
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 E Beltline Ave Ne, Suite 100
Grand Rapids, MI 495061267
(616) 752-6235
fax (616) 752-6324
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- January 17, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Michigan #4301097953
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104036532. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,104
Distinct HCPCS
10
Medicare allowed
$305,499
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 6,855 | 117 | $0 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 206 | 61 | $337 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 153 | 125 | $83 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 135 | 70 | $49 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 123 | 93 | $47 | |
36902 |
Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | 81 | 61 | $1,122 | |
90935 |
Hemodialysis procedure with physician evaluation | 66 | 37 | $70 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 61 | 27 | $279 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 59 | 40 | $77 | |
75710 |
Review by radiologist of arm or leg artery image | 54 | 48 | $146 |
In context: peer comparison
Among 9 peers in Grand Rapids Nephrology Physician, average services per provider: 177. This provider delivers 46× the peer median.Open Payments
Industry payments received
All-time total
$83
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Daiichi Sankyo INC. | 1 | $25.43 | |
| Aurinia Pharma U.S., INC. | 1 | $23.61 | |
| Ascendis Pharma INC | 1 | $18.07 | |
| Opko Pharmaceuticals, LLC | 1 | $16.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,111
Patients
348
Total drug cost
$159,396
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcitriol | Generic | 204 | 63 | $5,293 |
| Lisinopril | Generic | 127 | 42 | $1,427 |
| Amlodipine Besylate | Generic | 110 | 34 | $1,049 |
| Jardiance (Empagliflozin) | Brand | 90 | 27 | $78,481 |
| Torsemide | Generic | 79 | 23 | $2,231 |
| Losartan Potassium | Generic | 63 | 21 | $1,199 |
| Nifedipine ER (Nifedipine) | Brand | 63 | 19 | $3,819 |
| Sevelamer Carbonate | Generic | 63 | 25 | $33,665 |
| Carvedilol | Generic | 62 | 19 | $1,205 |
| Calcium Acetate | Generic | 56 | 21 | $6,811 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Unruh's medical specialty?
Dr. Michael Unruh practices Nephrology Physician in Grand Rapids, MI.
Where does Dr. Michael Unruh practice?
Dr. Michael Unruh practices at 330 E Beltline Ave Ne, Grand Rapids, MI 495061267. Office phone: 6167526235.
What is Dr. Michael Unruh's NPI?
Dr. Michael Unruh's National Provider Identifier (NPI) is 1104036532, issued by NPPES.
Does Dr. Michael Unruh accept Medicare assignment?
Yes. Dr. Michael Unruh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Unruh commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); 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.