Doctor profile · Federal record

Dr. Thien Phung, M.D

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Mission Hills, CA

  • NPI 1497172670
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11333 Sepulveda Blvd
Mission Hills, CA 913451116
(818) 837-5785
fax (775) 327-5178
Mailing address
Po Box 9602
Mission Hills, CA 913469602

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
October 13, 2017
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A146227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497172670. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
492
Distinct HCPCS
3
Medicare allowed
$64,611
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 335 128 $125
99239 Hospital discharge day management, more than 30 minutes 96 95 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 61 61 $183

In context: peer comparison

Among 32 peers in Mission Hills Internal Medicine Physician, average services per provider: 108. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$99
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $98.64

By nature of payment

Food and Beverage
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
195
Patients
158
Total drug cost
$20,438
Drug Type Claims Patients Total cost
Cefdinir Generic 32 30 $360
Daptomycin Generic 20 0 $10,522
Furosemide Generic 20 17 $56
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $136
Eliquis (Apixaban) Brand 18 15 $8,817
Metoprolol Tartrate Generic 18 17 $76
Prednisone Generic 15 14 $57
Atorvastatin Calcium Generic 14 11 $145
Lisinopril Generic 14 12 $71
Amlodipine Besylate Generic 13 12 $91

Frequently asked questions

Auto-generated from federal data
What is Dr. Thien Phung's medical specialty?
Dr. Thien Phung practices Internal Medicine Physician in Mission Hills, CA.
Where does Dr. Thien Phung practice?
Dr. Thien Phung practices at 11333 Sepulveda Blvd, Mission Hills, CA 913451116. Office phone: 8188375785.
What is Dr. Thien Phung's NPI?
Dr. Thien Phung's National Provider Identifier (NPI) is 1497172670, issued by NPPES.
Does Dr. Thien Phung accept Medicare assignment?
Yes. Dr. Thien Phung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thien Phung commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.