HIEN DAO (MD) – Internal Medicine Physician, NPI 1699779389
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,232 EMERGENCY MEDICINE in FL
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Provider Addresses for HIEN DAO (MD)
Fort Walton Beach Medical Center, 1000, Mar Walt Drive, Wright, Fort Walton Beach, Okaloosa County, Florida, 32547, United States
FORT WALTON BEACH, FL 325476708
Phone: (850) 315-4249
Fax: (866) 315-4258
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $32.
Total Amount is formed as General ($32) + Research ($0) + Ownership ($0) = $32.
Last reported payment date: 2023-03-06 • Largest payer in this snapshot: Gilead Sciences, Inc. ($32).
Total Amount
$32
General + Research + Ownership
Payments
1
Total payment records
General Amount
$32
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $32 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-06-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031219000127 | I | Hospitalist | FL | TBD |
| I20200603001291 | I | Emergency Medicine | AL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 273 | 261 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 74 | 74 | $0 |
| 99291 | Critical care, first 30-74 minutes | 35 | 35 | $0 |
Insurance plans in this area (ZIP 32547)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Emergency Medicine | IN | |
| Family Practice, Emergency Medicine | AL | |
| A N E S T H E S I O L O G Y | ND | |
| Internal Medicine, Emergency Medicine | AL | |
| Family Practice | KY | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Emergency Medicine, Infectious Disease | AL | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Family Practice, Emergency Medicine | FL |
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