Doctor profile · Federal record

Dr. Eric Wielhouwer, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Grandville, MI

  • NPI 1790819449
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3185 Macatawa Dr Sw, Suite A
Grandville, MI 494183163
(616) 391-4500
fax (616) 486-0130
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
February 22, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #5101015494
Medicaid
MI #114985130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790819449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
6
Medicare allowed
$10,050
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 70 53 $85
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 40 40 $28
G0008 Administration of influenza virus vaccine 15 15 $29
83036 Hemoglobin a1c level 13 12 $9
99215 Established patient office or other outpatient visit, 40-54 minutes 13 11 $117
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 12 12 $75

In context: peer comparison

Among 2 peers in Grandville Internal Medicine Physician, average services per provider: 31. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $34.94
Lilly USA, LLC 1 $16.03

By nature of payment

Food and Beverage
$51

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,661
Patients
457
Total drug cost
$67,152
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 225 66 $5,596
Levothyroxine Sodium Generic 204 53 $5,557
Lisinopril Generic 180 52 $2,409
Omeprazole Generic 140 35 $2,672
Amlodipine Besylate Generic 139 41 $2,044
Rosuvastatin Calcium Generic 108 30 $4,819
Escitalopram Oxalate Generic 101 27 $2,230
Losartan Potassium Generic 90 29 $2,194
Metoprolol Succinate Generic 88 24 $2,321
Hydrochlorothiazide Generic 85 26 $612

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Wielhouwer's medical specialty?
Dr. Eric Wielhouwer practices Internal Medicine Physician in Grandville, MI.
Where does Dr. Eric Wielhouwer practice?
Dr. Eric Wielhouwer practices at 3185 Macatawa Dr Sw, Grandville, MI 494183163. Office phone: 6163914500.
What is Dr. Eric Wielhouwer's NPI?
Dr. Eric Wielhouwer's National Provider Identifier (NPI) is 1790819449, issued by NPPES.
Does Dr. Eric Wielhouwer accept Medicare assignment?
Yes. Dr. Eric Wielhouwer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Wielhouwer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.