MS. MARGARET T NGUYEN (AA) – Anesthesiologist Assistant, NPI 1790704682
Anesthesiologist Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,383 ANESTHESIOLOGY ASSISTANT in GA
Provider Addresses for MS. MARGARET T NGUYEN (AA)
5665 PEACHTREE DUNWOODY RD
ATLANTA, GA 303421764
Phone: (678) 843-7324
Type: Location
677, Church Street Northeast, Elizabeth, Marietta, Cobb County, Georgia, 30060, United States
MARIETTA, GA 300601101
Phone: (770) 794-0477
Fax: (770) 794-3108
Type: Location
6335 HOSPITAL PKWY STE 304
DULUTH, GA 300975712
Phone: (404) 778-8311
Fax: (404) 778-8413
Type: Mailing
5671 PEACHTREE DUNWOODY RD STE 530
ATLANTA, GA 303425005
Phone: (404) 257-1415
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: 2004-11-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20041117000670 | I | Anesthesiology Assistant | GA | 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 |
|---|---|---|---|---|
| 00812 | Anesthesia for exam of colon using an endoscope | 14 | 14 | $0 |
Insurance plans in this area (ZIP 30342)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY ASSISTANT | GA | 01402 | Anesthesia for open or endoscopic total knee joint replacement | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology Assistant | GA | |
| A N E S T H E S I O L O G Y | GA | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| - | GA | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| Anesthesiology Assistant | GA | |
| Anesthesiology Assistant | GA | |
| Anesthesiology Assistant | GA | |
| Anesthesiology Assistant | GA |
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