MARY SAWLAI HOANG (MD) – Family Medicine Physician, NPI 1083913479
Family Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
Provider Addresses for MARY SAWLAI HOANG (MD)
670 MASON RIDGE CENTER DR
STE 300
SAINT LOUIS, MO 631418573
Phone: (636) 561-3021
Fax: (636) 561-3022
Type: Mailing
6261 RONALD REAGAN DR STE B19
LAKE ST LOUIS, MO 633672665
Phone: (636) 561-3021
Fax: (636) 561-3022
Type: Location
1514 JEFFERSON HWY
NEW ORLEANS, LA 701212429
Phone: (504) 842-4000
Type: Mailing
2820 NAPOLEON AVE
NEW ORLEANS, LA 701156969
Phone: (504) 842-4250
Type: Location
6261 Ronald Reagan Dr Ste B19
Lake St Louis, MO 633672665
Phone: (636) 561-3021
Fax: (636) 561-3022
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 76 Open Payments records for all available years, with a total value of $1,761.
Total Amount is formed as General ($1,761) + Research ($0) + Ownership ($0) = $1,761.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: ViiV Healthcare Company ($449).
Total Amount
$1,761
General + Research + Ownership
Payments
76
Total payment records
General Amount
$1,761
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ViiV Healthcare Company | $449 |
| ABBVIE INC. | $356 |
| Gilead Sciences, Inc. | $208 |
| PFIZER INC. | $207 |
| Astellas Pharma US Inc | $84 |
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: 2024-12-03
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 |
|---|---|---|---|---|
| I20241203003369 | I | Internal Medicine | LA | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 84 | 76 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 50 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 27 | 26 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 26 | 26 | $0 |
| 83036 | Hemoglobin a1c level | 12 | 12 | $0 |
Insurance plans in this area (ZIP 63141)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | MO | 81002 | Urinalysis, manual test | 22 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | LA | |
| O P T O M E T R Y | LA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | PA | |
| - | LA | |
| N E U R O L O G Y | LA | |
| Nurse Practitioner | LA | |
| Family Practice | CO | |
| Nurse Practitioner | LA | |
| U R O L O G Y | LA | |
| N E U R O L O G Y | LA |
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