Doctor profile · Federal record

Dr. Michael Kobayashi, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Stockton, CA

  • NPI 1831317684
  • Accepts Medicare
  • MIPS 85.6 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1801 E March Ln, Suite A130
Stockton, CA 952106629
(209) 475-9871

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 18, 2011
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A99348

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831317684. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
728
Distinct HCPCS
10
Medicare allowed
$81,707
HCPCS Description Services Patients Avg allowed
73721 Mri scan of leg joint without contrast 100 78 $208
73630 X-ray of foot, minimum of 3 views 80 69 $37
73562 X-ray of knee, 3 views 79 67 $43
72148 Mri scan of lower spinal canal without contrast 75 73 $201
73221 Mri scan of arm joint without contrast 74 65 $208
73030 X-ray of shoulder, minimum of 2 views 61 55 $37
73130 X-ray of hand, minimum of 3 views 38 29 $37
71046 X-ray of chest, 2 views 31 31 $34
72110 X-ray of lower and sacral spine, minimum of 4 views 28 28 $56
73718 Mri scan of leg without contrast 23 22 $240

In context: peer comparison

Among 3 peers in this city , average services per provider: 139. This provider delivers 5.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Kobayashi's medical specialty?
Dr. Michael Kobayashi practices Diagnostic Radiology Physician in Stockton, CA.
Where does Dr. Michael Kobayashi practice?
Dr. Michael Kobayashi practices at 1801 E March Ln, Stockton, CA 952106629. Office phone: 2094759871.
What is Dr. Michael Kobayashi's NPI?
Dr. Michael Kobayashi's National Provider Identifier (NPI) is 1831317684, issued by NPPES.
Does Dr. Michael Kobayashi accept Medicare assignment?
Yes. Dr. Michael Kobayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Kobayashi commonly perform?
Top Medicare-reported procedures in 2023: Mri scan of leg joint without contrast (HCPCS 73721); X-ray of foot, minimum of 3 views (HCPCS 73630); X-ray of knee, 3 views (HCPCS 73562). Source: CMS Medicare Physician & Other Practitioners file.