THOMAS CHUNG LIU (M.D.) – Gastroenterology Physician, NPI 1245270255
Gastroenterology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
829 GASTROENTEROLOGY in MA
Provider Addresses for THOMAS CHUNG LIU (M.D.)
125 Parker Hill Avenue
Fremont Smith 570
Boston, MA 02120
Phone: (617) 754-5930
Fax: (617) 739-1253
Type: Location
255 Low St Ste 201
Newburyport, MA 019503596
Phone: (978) 465-4622
Fax: (978) 465-4111
Type: Location
7 HOLLAND WAY FL 1
EXETER, NH 038332937
Phone: (603) 580-6753
Fax: (603) 580-6840
Type: Mailing
3 ALUMNI DR STE 201
EXETER, NH 038332122
Phone: (603) 772-5528
Fax: (603) 777-1296
Type: Location
24 MORRILL PL STE 2
AMESBURY, MA 019133530
Phone: (978) 834-8074
Fax: (978) 834-8077
Type: Mailing
255 LOW ST STE 201
NEWBURYPORT, MA 019503596
Phone: (978) 465-4622
Fax: (978) 465-4111
Type: Location
Brookline Post Office, 1295, Beacon Street, Coolidge Corner, North Brookline, Brookline, Norfolk County, Massachusetts, 02446, United States
BROOKLINE, MA 024469132
Phone: (617) 754-5930
Fax: (617) 739-1253
Type: Mailing
New England Baptist Hospital, 125, Parker Hill Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States
FREMONT SMITH 570
BOSTON, MA 02120
Phone: (617) 754-5930
Fax: (617) 739-1253
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $565.
Total Amount is formed as General ($565) + Research ($0) + Ownership ($0) = $565.
Last reported payment date: 2024-09-11 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($173).
Total Amount
$565
General + Research + Ownership
Payments
23
Total payment records
General Amount
$565
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-11
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2025-01-09
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 |
|---|---|---|---|---|
| I20080728000746 | I | Internal Medicine | MA | TBD |
| I20250109001635 | I | Gastroenterology | NH | 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 |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 88 | 87 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 70 | 58 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 53 | 53 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 44 | 37 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 34 | 34 | $0 |
Insurance plans in this area (ZIP 02120)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 11 | 11 |
| INTERNAL MEDICINE | MA | 45378 | Diagnostic examination of large bowel using an endoscope | 18 | 18 |
| INTERNAL MEDICINE | MA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 37 | 37 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | NH | |
| - | NY | |
| General Surgery | NH | |
| - | NH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NH | |
| Physician Assistant | CO | |
| Orthopedic Surgery | NH | |
| Emergency Medicine | NH | |
| Physician Assistant | NH | |
| Nurse Practitioner | NH |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.