Doctor profile · Federal record

Dr. Michael Antonini, M.D.

Surgery Physician (CMS: General Surgery) · Auburn, CA

  • NPI 1700924941
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11795 Education St Ste 201
Auburn, CA 956022469
(530) 745-0720
fax (530) 745-0718
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 21, 2024
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #G84850
Medicaid
CA #GR0091920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700924941. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
9
Medicare allowed
$44,550
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $176
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 24 $50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 35 35 $179
99214 Established patient office or other outpatient visit, 30-39 minutes 26 24 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $96
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 13 $82
49650 Repair of groin hernia using an endoscope 15 15 $477
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope 14 14 $734

In context: peer comparison

Among 2 peers in this city , average services per provider: 30. This provider delivers 8.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
99
Patients
85
Total drug cost
$420
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 55 48 $256
Oxycodone Hcl Generic 44 37 $164

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Antonini's medical specialty?
Dr. Michael Antonini practices Surgery Physician in Auburn, CA.
Where does Dr. Michael Antonini practice?
Dr. Michael Antonini practices at 11795 Education St Ste 201, Auburn, CA 956022469. Office phone: 5307450720.
What is Dr. Michael Antonini's NPI?
Dr. Michael Antonini's National Provider Identifier (NPI) is 1700924941, issued by NPPES.
Does Dr. Michael Antonini accept Medicare assignment?
Yes. Dr. Michael Antonini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Antonini commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.