Doctor profile · Federal record

Dr. Quyen Dao, M.D.

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

  • NPI 1932305034
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17542 17Th St, Suite 410
Tustin, CA 927801959
(714) 835-9550

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 22, 2015
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RB0002X — NUCC code
State license (1)
California #A85506

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932305034. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
102
Distinct HCPCS
2
Medicare allowed
$9,689
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 57 12 $151
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 45 11 $24

In context: peer comparison

Among 1 peers in Tustin Obesity Medicine (Internal Medicine) Physician, average services per provider: 51. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Quyen Dao's medical specialty?
Dr. Quyen Dao practices Obesity Medicine (Internal Medicine) Physician in Tustin, CA.
Where does Dr. Quyen Dao practice?
Dr. Quyen Dao practices at 17542 17Th St, Tustin, CA 927801959. Office phone: 7148359550.
What is Dr. Quyen Dao's NPI?
Dr. Quyen Dao's National Provider Identifier (NPI) is 1932305034, issued by NPPES.
Does Dr. Quyen Dao accept Medicare assignment?
Yes. Dr. Quyen Dao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Quyen Dao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Face-to-face behavioral counseling for obesity (HCPCS G0447). Source: CMS Medicare Physician & Other Practitioners file.