Doctor profile · Federal record

Dr. Graham Stephenson, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Orange, CA

  • NPI 1730648718
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-5239

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
March 14, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #1730648718

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730648718. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
311
Distinct HCPCS
8
Medicare allowed
$40,095
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 90 89 $181
99284 Emergency department visit with moderate level of medical decision making 82 78 $125
99291 Critical care, first 30-74 minutes 50 49 $222
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 30 28 $7
76705 Limited ultrasound scan of abdomen 16 16 $30
76604 Ultrasound scan of chest 15 15 $28
93308 Ultrasound of heart, follow-up 14 14 $26
99283 Emergency department visit with low level of medical decision making 14 13 $74

In context: peer comparison

Among 51 peers in Orange Emergency Medicine Physician, average services per provider: 60. This provider delivers 5.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Graham Stephenson's medical specialty?
Dr. Graham Stephenson practices Emergency Medicine Physician in Orange, CA.
Where does Dr. Graham Stephenson practice?
Dr. Graham Stephenson practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144565239.
What is Dr. Graham Stephenson's NPI?
Dr. Graham Stephenson's National Provider Identifier (NPI) is 1730648718, issued by NPPES.
Does Dr. Graham Stephenson accept Medicare assignment?
Yes. Dr. Graham Stephenson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Graham Stephenson 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.