Doctor profile · Federal record

Dr. Charlie Huang, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Tustin, CA

  • NPI 1427591577
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
15000 Kensington Park Dr Ste 250
Tustin, CA 92782
(714) 477-8320
Additional location
47 Latitude
Irvine, CA 926188821
(562) 305-4772

Credentials & registration

NPPES · NUCC
NPI registered
November 2016 — 10 yrs on file
Profile last updated
September 13, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A14941

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427591577. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
765
Distinct HCPCS
10
Medicare allowed
$87,674
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 305 202 $138
99213 Established patient office or other outpatient visit, 20-29 minutes 123 110 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 73 73 $140
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $180
G0008 Administration of influenza virus vaccine 42 42 $33
90662 Influenza vaccine split virus, preservative free 39 39 $72
36415 Insertion of needle into vein for collection of blood sample 34 32 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 24 23 $16
96372 Injection of drug or substance under skin or into muscle 22 11 $16
99215 Established patient office or other outpatient visit, 40-54 minutes 20 18 $194

In context: peer comparison

Among 9 peers in Tustin Internal Medicine Physician, average services per provider: 312. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,357
Patients
833
Total drug cost
$43,682
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 431 141 $6,684
Amlodipine Besylate Generic 260 92 $2,742
Losartan Potassium Generic 248 86 $4,266
Levothyroxine Sodium Generic 229 78 $6,014
Rosuvastatin Calcium Generic 224 82 $9,171
Tamsulosin Hcl Generic 142 51 $3,398
Lisinopril Generic 133 44 $1,334
Metformin Hcl Generic 116 38 $1,388
Zolpidem Tartrate Generic 95 28 $926
Fluticasone Propionate Generic 88 47 $1,422

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlie Huang's medical specialty?
Dr. Charlie Huang practices Internal Medicine Physician in Tustin, CA.
Where does Dr. Charlie Huang practice?
Dr. Charlie Huang practices at 15000 Kensington Park Dr Ste 250, Tustin, CA 92782. Office phone: 7144778320.
What is Dr. Charlie Huang's NPI?
Dr. Charlie Huang's National Provider Identifier (NPI) is 1427591577, issued by NPPES.
Does Dr. Charlie Huang accept Medicare assignment?
Yes. Dr. Charlie Huang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlie Huang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.