Doctor profile · Federal record

Dr. Matthew Chinn

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Milwaukee, WI

  • NPI 1124318282
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-6450
fax (414) 805-6464
Additional location
11430 N Port Washington RD
Mequon, WI 530923414
(262) 518-1900
fax (262) 518-5052
Additional location
1155 N Mayfair RD
Milwaukee, WI 532263462
(414) 955-5990
fax (414) 955-6282
Show 3 more locations
Additional location
4805 S Moorland RD
New Berlin, WI 531517401
(262) 798-7200
fax (262) 798-7201
Additional location
7901 S 6Th St
Oak Creek, WI 531542010
(414) 346-8000
fax (414) 346-8010
Additional location
W129N7055 Northfield Dr
Menomonee Falls, WI 530510538
(262) 253-5400

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
May 1, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Wisconsin #63608 · Ohio #35.122875
Medicaid
WI #1124318282

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124318282. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
301
Distinct HCPCS
6
Medicare allowed
$34,724
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 99 98 $164
99284 Emergency department visit with moderate level of medical decision making 94 90 $113
99283 Emergency department visit with low level of medical decision making 37 34 $67
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 33 25 $8
99291 Critical care, first 30-74 minutes 23 23 $200
99282 Emergency department visit with straightforward medical decision making 15 14 $39

In context: peer comparison

Among 117 peers in this city , average services per provider: 82. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
19
Total drug cost
$37
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 19 19 $37

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Chinn's medical specialty?
Dr. Matthew Chinn practices Emergency Medicine Physician in Milwaukee, WI.
Where does Dr. Matthew Chinn practice?
Dr. Matthew Chinn practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148056450.
What is Dr. Matthew Chinn's NPI?
Dr. Matthew Chinn's National Provider Identifier (NPI) is 1124318282, issued by NPPES.
Does Dr. Matthew Chinn accept Medicare assignment?
Yes. Dr. Matthew Chinn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Chinn commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.