Doctor profile · Federal record

Dr. Matthew Davis, MD

Psychiatry Physician (CMS: Psychiatry) · St. Joseph, MI

  • NPI 1528004744
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2500 Niles Road, Suite #7
St. Joseph, MI 49085
(269) 982-7844
fax (269) 982-1783
Mailing address
2500 Niles Road, Suite #7
St Joseph, MI 48085

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 25, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Michigan #4301084762

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528004744. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
413
Distinct HCPCS
3
Medicare allowed
$37,805
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 251 84 $121
96372 Injection of drug or substance under skin or into muscle 90 15 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 72 28 $86

In context: peer comparison

Among 1 peers in St. Joseph Psychiatry Physician, average services per provider: 137. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 1 $25.19
E.R. Squibb & Sons, L.L.C. 1 $17.66

By nature of payment

Food and Beverage
$43

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,331
Patients
347
Total drug cost
$70,178
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 287 31 $6,508
Trazodone Hcl Generic 213 41 $3,906
Sertraline Hcl Generic 204 34 $2,146
Bupropion Xl (Bupropion Hcl) Brand 191 36 $4,467
Aripiprazole Generic 179 25 $17,358
Buspirone Hcl Generic 176 32 $5,619
Divalproex Sodium ER (Divalproex Sodium) Brand 149 17 $9,716
Escitalopram Oxalate Generic 142 21 $1,360
Olanzapine Generic 130 13 $5,551
Duloxetine Hcl Generic 115 16 $4,854

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Davis's medical specialty?
Dr. Matthew Davis practices Psychiatry Physician in St. Joseph, MI.
Where does Dr. Matthew Davis practice?
Dr. Matthew Davis practices at 2500 Niles Road, St. Joseph, MI 49085. Office phone: 2699827844.
What is Dr. Matthew Davis's NPI?
Dr. Matthew Davis's National Provider Identifier (NPI) is 1528004744, issued by NPPES.
Does Dr. Matthew Davis accept Medicare assignment?
Yes. Dr. Matthew Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Davis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.