Doctor profile · Federal record

Dr. Hien Dao, MD

Internal Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Fort Walton Beach, FL

  • NPI 1699779389
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Mar Walt Dr
Fort Walton Beach, FL 325476708
(850) 315-4249
fax (866) 315-4258

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 9, 2009
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Florida #ME79705
Medicaid (2)
FL #267192100 · FL #258396800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699779389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
3
Medicare allowed
$60,680
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 273 261 $163
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 74 74 $122
99291 Critical care, first 30-74 minutes 35 35 $201

In context: peer comparison

Among 8 peers in this city , average services per provider: 144. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$6,073
Drug Type Claims Patients Total cost
Metformin Hcl Generic 14 0 $96
Divalproex Sodium Generic 13 0 $4,945
Phenytoin Generic 13 0 $961
Amlodipine Besylate Generic 11 0 $70

Frequently asked questions

Auto-generated from federal data
What is Dr. Hien Dao's medical specialty?
Dr. Hien Dao practices Internal Medicine Physician in Fort Walton Beach, FL.
Where does Dr. Hien Dao practice?
Dr. Hien Dao practices at 1000 Mar Walt Dr, Fort Walton Beach, FL 325476708. Office phone: 8503154249.
What is Dr. Hien Dao's NPI?
Dr. Hien Dao's National Provider Identifier (NPI) is 1699779389, issued by NPPES.
Does Dr. Hien Dao accept Medicare assignment?
Yes. Dr. Hien Dao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hien Dao commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.