Doctor profile · Federal record

Dr. Matthew Koster, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Rheumatology Physician · Rochester, MN

  • NPI 1588891469
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
August 14, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (3)
Minnesota #56961 · Illinois #BF4649604-A357 · Minnesota #106941

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588891469. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
937
Distinct HCPCS
9
Medicare allowed
$65,793
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 300 23 $1
J1030 Injection, methylprednisolone acetate, 40 mg 162 66 $7
99215 Established patient office or other outpatient visit, 40-54 minutes 140 108 $177
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 89 59 $32
99205 New patient office or other outpatient visit, 60-74 minutes 88 88 $214
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 70 61 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 47 39 $125
20604 Aspiration and/or injection of fluid from small joint using ultrasound guidance 24 18 $80
99443 Telephone medical discussion with physician, 21-30 minutes 17 11 $126

In context: peer comparison

Among 13 peers in Rochester Rheumatology Physician, average services per provider: 57. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,013
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $965.25
Sobi, INC 1 $48.15

By nature of payment

Consulting Fee
$965
Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
301
Patients
89
Total drug cost
$266,984
Drug Type Claims Patients Total cost
Prednisone Generic 140 62 $2,897
Alendronate Sodium Generic 55 13 $462
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 40 14 $388
Methotrexate (Methotrexate Sodium) Brand 19 0 $1,960
Enbrel (Etanercept) Brand 13 0 $98,691
Rinvoq (Upadacitinib) Brand 12 0 $79,237
Humira(Cf) Pen (Adalimumab) Brand 11 0 $82,976
Pantoprazole Sodium Generic 11 0 $373

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Koster's medical specialty?
Dr. Matthew Koster practices Rheumatology Physician in Rochester, MN.
Where does Dr. Matthew Koster practice?
Dr. Matthew Koster practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. Matthew Koster's NPI?
Dr. Matthew Koster's National Provider Identifier (NPI) is 1588891469, issued by NPPES.
Does Dr. Matthew Koster accept Medicare assignment?
Yes. Dr. Matthew Koster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Koster commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.