MS. CHAU P TO (M.D.) – Internal Medicine Physician, NPI 1124415088
Internal Medicine Physician
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,033 GASTROENTEROLOGY in NY
Provider Addresses for MS. CHAU P TO (M.D.)
14025 LIVINGSTON MDWS
GARDEN GROVE, CA 928443009
Phone:
Type: Mailing
327 BEACH 19TH ST
FAR ROCKAWAY, NY 116914423
Phone: (718) 869-7210
Type: Location
2401 W BELVEDERE AVE
BALTIMORE, MD 212155216
Phone: (410) 601-0594
Fax: (410) 601-0939
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $59.
Total Amount is formed as General ($59) + Research ($0) + Ownership ($0) = $59.
Last reported payment date: 2024-07-26 • Largest payer in this snapshot: ABBVIE INC. ($44).
Total Amount
$59
General + Research + Ownership
Payments
3
Total payment records
General Amount
$59
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $44 |
| BioXcel Therapeutics, Inc. | $15 |
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: 2019-08-06
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 |
|---|---|---|---|---|
| I20190806003454 | I | Gastroenterology | MD | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 792 | 273 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 164 | 159 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 82 | 50 | $0 |
Insurance plans in this area (ZIP 92844)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| Physician Assistant | MD | |
| - | CA | |
| Physician Assistant | MD | |
| Internal Medicine | MD | |
| Cardiovascular Disease (Cardiology), Internal Medicine | MD | |
| H O S P I T A L I S T | NY | |
| Physician Assistant | MD | |
| H O S P I T A L I S T | TX |
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