Doctor profile · Federal record
Dr. Michael Kowalczyk, DO
Internal Medicine Physician (CMS: Internal Medicine) · Lansing, MI
- NPI 1649277211
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3955 Patient Care Dr Ste A
Lansing, MI 489114271
(517) 374-7600
fax (885) 480-9150
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- March 18, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #MK010436
- Medicaid
- MI #2901730-11
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649277211. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,355
Distinct HCPCS
10
Medicare allowed
$116,132
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 226 | 111 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 211 | 109 | $77 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 159 | 159 | $36 | |
77089 |
Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk | 137 | 137 | $38 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 116 | 114 | $168 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 98 | 74 | $87 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 86 | 86 | $17 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 69 | 69 | $125 | |
99239 |
Hospital discharge day management, more than 30 minutes | 43 | 42 | $111 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 36 | 24 | $49 |
In context: peer comparison
Among 30 peers in Lansing Internal Medicine Physician, average services per provider: 105. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$958
Transactions
34
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 1 | $97.02 | |
| Otsuka America Pharmaceutical, INC. | 4 | $82.05 | |
| Pfizer INC. | 3 | $63.50 | |
| Mylan Specialty L.P. | 3 | $51.93 | |
| Novo Nordisk INC | 3 | $49.01 | |
| Alkermes, INC. | 2 | $48.52 | |
| ViiV Healthcare Company | 3 | $48.12 | |
| Lilly USA, LLC | 3 | $47.24 | |
| Abbvie INC. | 2 | $44.61 | |
| Grifols USA, LLC | 2 | $38.98 | |
| Radius Health, INC. | 2 | $33.81 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $32.87 | |
| GlaxoSmithKline, LLC. | 2 | $31.57 | |
| Penumbra, INC. | 1 | $26.56 | |
| Abbott Laboratories | 1 | $24.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,003
Patients
1,356
Total drug cost
$70,902
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 500 | 176 | $9,646 |
| Amlodipine Besylate | Generic | 392 | 133 | $3,730 |
| Losartan Potassium | Generic | 371 | 126 | $7,567 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 341 | 75 | $8,400 |
| Levothyroxine Sodium | Generic | 325 | 99 | $5,714 |
| Omeprazole | Generic | 262 | 93 | $4,996 |
| Rosuvastatin Calcium | Generic | 258 | 93 | $6,317 |
| Lisinopril | Generic | 240 | 89 | $3,030 |
| Metoprolol Succinate | Generic | 233 | 75 | $4,580 |
| Metformin Hcl | Generic | 216 | 75 | $2,583 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Kowalczyk's medical specialty?
Dr. Michael Kowalczyk practices Internal Medicine Physician in Lansing, MI.
Where does Dr. Michael Kowalczyk practice?
Dr. Michael Kowalczyk practices at 3955 Patient Care Dr Ste A, Lansing, MI 489114271. Office phone: 5173747600.
What is Dr. Michael Kowalczyk's NPI?
Dr. Michael Kowalczyk's National Provider Identifier (NPI) is 1649277211, issued by NPPES.
Does Dr. Michael Kowalczyk accept Medicare assignment?
Yes. Dr. Michael Kowalczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Kowalczyk 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); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.