Doctor profile · Federal record

Dr. Mikio Obayashi, M.D.

Family Medicine Physician (CMS: Family Practice) · Roy, UT

  • NPI 1912923541
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1915 W 5950 S
Roy, UT 840671454
(801) 387-8100
Mailing address
Po Box 27128
Salt Lake City, UT 841270128

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 7, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Utah #973396981205
Medicaid
UT #1053441873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912923541. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
806
Distinct HCPCS
10
Medicare allowed
$72,542
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 160 86 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 160 102 $121
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 138 138 $123
83036 Hemoglobin a1c level 86 61 $10
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 56 56 $76
G0008 Administration of influenza virus vaccine 46 46 $29
90480 Admn sarscov2 vacc 1 dose 31 31 $39
91320 Sarscv2 vac 30mcg trs-suc im 31 31 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 27 25 $171
20610 Aspiration and/or injection of fluid from large joint 20 13 $56

In context: peer comparison

Among 6 peers in Roy Family Medicine Physician, average services per provider: 52. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,821
Patients
615
Total drug cost
$41,270
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 502 136 $7,938
Lisinopril Generic 309 76 $3,243
Omeprazole Generic 269 49 $4,154
Levothyroxine Sodium Generic 247 44 $4,994
Amlodipine Besylate Generic 194 50 $2,154
Simvastatin Generic 192 41 $2,766
Losartan Potassium Generic 162 44 $2,954
Alendronate Sodium Generic 139 30 $1,444
Hydrochlorothiazide Generic 134 29 $723
Tramadol Hcl Generic 123 18 $1,766

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mikio Obayashi's medical specialty?
Dr. Mikio Obayashi practices Family Medicine Physician in Roy, UT.
Where does Dr. Mikio Obayashi practice?
Dr. Mikio Obayashi practices at 1915 W 5950 S, Roy, UT 840671454. Office phone: 8013878100.
What is Dr. Mikio Obayashi's NPI?
Dr. Mikio Obayashi's National Provider Identifier (NPI) is 1912923541, issued by NPPES.
Does Dr. Mikio Obayashi accept Medicare assignment?
Yes. Dr. Mikio Obayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mikio Obayashi 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.