Doctor profile · Federal record

Dr. Warren Hung, MD

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

  • NPI 1770621260
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14150 Culver Drive, Suite 306
Irvine, CA 92604
(949) 559-1496
fax (949) 559-1492
Mailing address
14 Galena
Irvine, CA 92602

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A55808
Medicaid
CA #00A558080

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770621260. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
755
Distinct HCPCS
8
Medicare allowed
$57,435
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 302 126 $99
99212 Established patient office or other outpatient visit, 10-19 minutes 125 78 $61
36410 Insertion of needle into vein (3 years or older) 114 82 $19
99214 Established patient office or other outpatient visit, 30-39 minutes 60 49 $139
90662 Influenza vaccine split virus, preservative free 54 54 $72
G0008 Administration of influenza virus vaccine 54 54 $33
90732 Pneumococcal vaccine, 23-valent 23 23 $131
G0009 Administration of pneumococcal vaccine 23 23 $33

In context: peer comparison

Among 37 peers in this city , average services per provider: 103. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,752
Patients
1,011
Total drug cost
$56,392
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 654 157 $6,771
Metoprolol Succinate Generic 599 131 $11,009
Atorvastatin Calcium Generic 568 153 $8,080
Losartan Potassium Generic 347 89 $4,922
Alendronate Sodium Generic 316 83 $3,415
Pravastatin Sodium Generic 167 40 $2,529
Metformin Hcl Generic 159 45 $2,308
Triamcinolone Acetonide Generic 151 71 $2,201
Omeprazole Generic 125 49 $2,298
Tamsulosin Hcl Generic 125 40 $2,758

Frequently asked questions

Auto-generated from federal data
What is Dr. Warren Hung's medical specialty?
Dr. Warren Hung practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Warren Hung practice?
Dr. Warren Hung practices at 14150 Culver Drive, Irvine, CA 92604. Office phone: 9495591496.
What is Dr. Warren Hung's NPI?
Dr. Warren Hung's National Provider Identifier (NPI) is 1770621260, issued by NPPES.
Does Dr. Warren Hung accept Medicare assignment?
Yes. Dr. Warren Hung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Hung 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 99212); Insertion of needle into vein (3 years or older) (HCPCS 36410). Source: CMS Medicare Physician & Other Practitioners file.