Doctor profile · Federal record

Dr. Matthew Miller, DO

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Hospitalist Physician · Orange, CA

  • NPI 1639372360
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-8888

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 7, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (4)
California #20A24335 · Pennsylvania #OT011861 · Pennsylvania #OS014149 · Ohio #34.015407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639372360. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
2
Medicare allowed
$7,398
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 50 18 $117
99239 Hospital discharge day management, more than 30 minutes 14 14 $112

In context: peer comparison

Among 28 peers in Orange Hospitalist Physician, average services per provider: 119. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$76
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 12 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Miller's medical specialty?
Dr. Matthew Miller practices Hospitalist Physician in Orange, CA.
Where does Dr. Matthew Miller practice?
Dr. Matthew Miller practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568888.
What is Dr. Matthew Miller's NPI?
Dr. Matthew Miller's National Provider Identifier (NPI) is 1639372360, issued by NPPES.
Does Dr. Matthew Miller accept Medicare assignment?
Dr. Matthew Miller does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Matthew Miller commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.