Doctor profile · Federal record

Dr. Myo Chang, MD

Internal Medicine Physician · Fairfield, CA

  • NPI 1003899279
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
103 Bodin Cir, Bld 778
Fairfield, CA 945351801
(707) 437-1817
fax (707) 437-1809
Mailing address
2359 Fairview Pl
Fairfield, CA 945348631

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A54869

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003899279. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
529
Distinct HCPCS
2
Medicare allowed
$68,671
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 480 57 $122
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 49 46 $206

In context: peer comparison

Among 13 peers in this city , average services per provider: 272. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tactile Systems Technology Inc 1 $19.52

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,267
Patients
53
Total drug cost
$62,971
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 226 19 $2,769
Famotidine Generic 189 0 $882
Levothyroxine Sodium Generic 180 0 $2,011
Amlodipine Besylate Generic 178 11 $1,344
Escitalopram Oxalate Generic 169 0 $1,820
Donepezil Hcl Generic 168 0 $1,523
Memantine Hcl Generic 156 0 $8,731
Tamsulosin Hcl Generic 141 0 $2,067
Mirtazapine Generic 134 11 $2,564
Trazodone Hcl Generic 130 0 $1,086

Frequently asked questions

Auto-generated from federal data
What is Dr. Myo Chang's medical specialty?
Dr. Myo Chang practices Internal Medicine Physician in Fairfield, CA.
Where does Dr. Myo Chang practice?
Dr. Myo Chang practices at 103 Bodin Cir, Fairfield, CA 945351801. Office phone: 7074371817.
What is Dr. Myo Chang's NPI?
Dr. Myo Chang's National Provider Identifier (NPI) is 1003899279, issued by NPPES.
What procedures does Dr. Myo Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.