DR. RUBY HOANG (DO) – Medical Toxicology (Emergency Medicine) Physician, NPI 1770976623
Medical Toxicology (Emergency Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
747 EMERGENCY MEDICINE in OK
Provider Addresses for DR. RUBY HOANG (DO)
4200 S DOUGLAS AVE STE 306
OKLAHOMA CITY, OK 73109
Phone: (405) 636-7195
Type: Mailing
8560 SW 147th Ter Unit 104
Beaverton, OR 970076983
Phone: (971) 998-2092
Type: Location
1500 N Green Ave
Purcell, OK 730801699
Phone: (405) 527-6524
Type: Location
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 972393011
Phone: (503) 494-8600
Fax: (503) 494-4997
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-09-26
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 |
|---|---|---|---|---|
| I20210621000894 | I | Emergency Medicine | OR | TBD |
| I20230926001845 | I | Emergency Medicine | WA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 47 | 46 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 17 | 17 | $0 |
Insurance plans in this area (ZIP 73109)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | TX | |
| Emergency Medicine | OR | |
| D E R M A T O L O G Y | AZ | |
| Nurse Practitioner | OR | |
| Diagnostic Radiology | OR | |
| D E R M A T O L O G Y | WA | |
| - | OR | |
| - | CA | |
| General Surgery | CA | |
| - | OR |
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