Internal Medicine · Lansing, MI
NPI
1649277211
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
3955 Patient Care Dr Ste A
Lansing, MI, 48911
Phone (517) 374-7600
Groups this clinician bills Medicare through
Medicare paid, 2024
$108K
1,798 services
Medicare patients, 2024
551
Average age 74
Drug cost, 2024
$1.8M
11,551 prescriptions
Company payments, 2025
$1,412
From 23 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Michael C Kowalczyk was code 99232 (hospital e&m - subsequent), 289 times for 129 patients. In total Michael C Kowalczyk billed 1,798 services in 49 codes, and Medicare paid $108K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-03-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 289 | 129 | $64.17 | $19K |
| 99214 Office E&M - Established | Office | 202 | 116 | $87.44 | $18K |
| 77080 Standard X-ray | Office | 180 | 180 | $37.65 | $6,776 |
| 77089 Standard X-ray | Office | 176 | 176 | $24.60 | $4,329 |
| 99213 Office E&M - Established | Office | 130 | 100 | $60.21 | $7,828 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 99 | 99 | $131.41 | $13K |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 94 | 94 | $18.37 | $1,727 |
| 99233 Hospital E&M - Subsequent | Facility | 71 | 40 | $96.71 | $6,867 |
| 99239 Hospital Discharge Management | Facility | 64 | 63 | $91.69 | $5,868 |
| 99223 Hospital E&M - Initial | Facility | 35 | 35 | $137.82 | $4,824 |
| 99238 Hospital Discharge Management | Facility | 32 | 32 | $65.73 | $2,103 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 28 | 27 | $12.12 | $339 |
| 99231 Hospital E&M - Subsequent | Facility | 23 | 14 | $40.30 | $927 |
| G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Office | 22 | 22 | $168.24 | $3,701 |
| 99495 Chronic, Principal, and Transitional Care Management | Office | 20 | 16 | $166.63 | $3,333 |
By year: 2022 $114K for 1,776 services; 2023 $100K for 1,535 services; 2024 $108K for 1,798 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 16 | 15 | $9.52 | $152 |
Medicare prescription drug claims, 2024
In 2024, the drug Michael C Kowalczyk prescribed most often to Medicare patients was Atorvastatin Calcium, with 516 prescriptions and refills. In total Michael C Kowalczyk wrote 11,551 Medicare prescriptions that cost $1.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 516 | 1,401 | 192 | $8,457 |
| Losartan Potassium Generic | 410 | 1,105 | 150 | $5,775 |
| Levothyroxine Sodium Generic | 393 | 1,032 | 130 | $6,066 |
| Amlodipine Besylate Generic | 378 | 1,027 | 136 | $2,715 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 363 | 363 | 86 | $7,499 |
| Metoprolol Succinate Generic | 298 | 774 | 98 | $5,403 |
| Rosuvastatin Calcium Generic | 293 | 828 | 100 | $5,871 |
| Omeprazole Generic | 268 | 736 | 95 | $3,960 |
| Lisinopril Generic | 256 | 677 | 106 | $2,682 |
| Pantoprazole Sodium Generic | 211 | 531 | 98 | $3,870 |
| Eliquis Apixaban | 193 | 363 | 65 | $199K |
| Gabapentin Generic | 192 | 411 | 65 | $3,968 |
| Metformin Hcl Generic | 179 | 492 | 66 | $2,137 |
| Furosemide Generic | 178 | 418 | 72 | $1,219 |
| Tamsulosin Hcl Generic | 160 | 444 | 65 | $3,862 |
Brand drugs: 1,661 claims; generic drugs: 9,777 claims; opioid claims: 832.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Michael C Kowalczyk $1,412 ($1,412 in general payments such as food, travel and fees) from 23 companies. The largest payer was Abbvie Inc. with $225.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 17 | $225 |
| Vanda Pharmaceuticals Inc. VNDA | 8 | $185 |
| Pfizer Inc. PFE | 10 | $165 |
| AstraZeneca Pharmaceuticals LP AZN | 1 | $106 |
| Axsome Therapeutics, Inc. AXSM | 4 | $99.84 |
| Paratek Pharmaceuticals, Inc. | 4 | $88.73 |
| Antares Pharma, Inc. | 3 | $63.93 |
| ViiV Healthcare Company GSK | 3 | $63.75 |
| GlaxoSmithKline, LLC. GSK | 3 | $58.08 |
| Amgen Inc. AMGN | 3 | $43.81 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.