Doctor profile · Federal record

Dr. Thomas Michalsen, D.O.

General Practice Physician (CMS: General Practice) · Kirkland, IL

  • NPI 1114947876
  • Accepts Medicare
  • MIPS 94.2 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
406 S 5Th St
Kirkland, IL 601467711
(815) 522-3301
fax (815) 522-3855
Mailing address
1713 Oakwood Glen Close
Rockford, IL 611087011

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 22, 2022
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
208D00000X — NUCC code
State license (1)
Illinois #036066772

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114947876. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,284
Distinct HCPCS
10
Medicare allowed
$314,825
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,371 498 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 492 237 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 215 136 $121
J0696 Injection, ceftriaxone sodium, per 250 mg 196 16 $1
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 158 154 $177
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 126 126 $122
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 120 80 $124
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 103 101 $177
36415 Insertion of needle into vein for collection of blood sample 89 69 $8
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 58 58 $74

In context: peer comparison

Among 1 peers in Kirkland General Practice Physician, average services per provider: 156. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$382
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $305.19
Lilly USA, LLC 2 $38.96
Teva Pharmaceuticals USA, INC. 1 $19.49
Esperion Therapeutics, INC. 1 $18.23

By nature of payment

Food and Beverage
$382

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17,661
Patients
3,167
Total drug cost
$487,258
Drug Type Claims Patients Total cost
Furosemide Generic 1,843 304 $11,092
Levothyroxine Sodium Generic 1,581 265 $19,814
Atorvastatin Calcium Generic 1,571 260 $17,651
Gabapentin Generic 1,473 237 $23,266
Amlodipine Besylate Generic 1,405 275 $10,323
Potassium Chloride Generic 1,310 236 $24,591
Rosuvastatin Calcium Generic 1,143 291 $19,855
Quetiapine Fumarate Generic 1,100 185 $19,731
Tamsulosin Hcl Generic 1,093 203 $16,792
Metoprolol Tartrate Generic 1,049 181 $8,154

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Michalsen's medical specialty?
Dr. Thomas Michalsen practices General Practice Physician in Kirkland, IL.
Where does Dr. Thomas Michalsen practice?
Dr. Thomas Michalsen practices at 406 S 5Th St, Kirkland, IL 601467711. Office phone: 8155223301.
What is Dr. Thomas Michalsen's NPI?
Dr. Thomas Michalsen's National Provider Identifier (NPI) is 1114947876, issued by NPPES.
Does Dr. Thomas Michalsen accept Medicare assignment?
Yes. Dr. Thomas Michalsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Michalsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.