Doctor profile · Federal record

Dr. John A Butler, MD

Surgical Oncology Physician · Orange, CA

  • NPI 1902986094
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uci Medical Center, 101 the City Drive South
Orange, CA 92868
(714) 456-8978
Mailing address
University Surgeons of Orange, Po Box 512347
Los Angeles, CA 900510347

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 21, 2007
Specialty taxonomy
2086X0206X — NUCC code
State license (1)
California #000000G35047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902986094. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
107
Distinct HCPCS
2
Medicare allowed
$8,176
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 89 72 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $105

In context: peer comparison

Among 4 peers in this city , average services per provider: 77. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John A Butler's medical specialty?
Dr. John A Butler practices Surgical Oncology Physician in Orange, CA.
Where does Dr. John A Butler practice?
Dr. John A Butler practices at Uci Medical Center, Orange, CA 92868. Office phone: 7144568978.
What is Dr. John A Butler's NPI?
Dr. John A Butler's National Provider Identifier (NPI) is 1902986094, issued by NPPES.
What procedures does Dr. John A Butler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.