DR. ANNIE S LIAU (MD) – Obstetrics & Gynecology Physician, NPI 1366423717
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for DR. ANNIE S LIAU (MD)
MIT Medical, 25, Carleton Street, East Cambridge, Cambridge, Middlesex County, Massachusetts, 02142, United States
E23-315
CAMBRIDGE, MA 021421323
Phone: (617) 253-1315
Type: Mailing
77 Massachusetts Ave, Massachusetts Avenue, Central Square, Cambridgeport, Cambridge, Middlesex County, Massachusetts, 02238, United States
MIT E23 319
CAMBRIDGE, MA 02139
Phone: (617) 253-1315
Fax: (617) 258-0454
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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.
No Medicare enrollment or revalidation data available for this provider in our database.
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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 38 | 31 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 30 | 29 | $0 |
Insurance plans in this area (ZIP 02142)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology, Interventional Radiology | MA | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology, Interventional Radiology | MA | |
| Nurse Practitioner | MA | |
| O P T O M E T R Y | MA | |
| - | MA | |
| Diagnostic Radiology, Interventional Radiology | MA | |
| - | MA | |
| Family Practice | MA |
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.