Doctor profile · Federal record
Dr. Anne Liu, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · New Haven, CT
- NPI 1962848416
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 York Street, Cb-2041
New Haven, CT 065103220
(203) 688-4748
fax (203) 688-4740 - Mailing address
-
254 2Nd Ave, Ste 100
Needham, MA 024942829
Credentials & registration
- NPI registered
- May 2013 — 13 yrs on file
- Profile last updated
- August 6, 2021
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #274505
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962848416. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
969
Distinct HCPCS
10
Medicare allowed
$107,392
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 186 | 180 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 138 | 95 | $98 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 134 | 133 | $191 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 122 | 119 | $117 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 54 | 38 | $140 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 51 | 51 | $193 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $123 | |
36415 |
Insertion of needle into vein for collection of blood sample | 35 | 30 | $8 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 30 | 30 | $88 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 26 | $268 |
In context: peer comparison
Among 19 peers in this city , average services per provider: 110. This provider delivers 8.8× the peer median.Open Payments
Industry payments received
All-time total
$50
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 1 | $27.58 | |
| Boston Scientific Corporation | 1 | $22.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
253
Patients
77
Total drug cost
$35,765
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 70 | 34 | $2,193 |
| Famotidine | Generic | 28 | 11 | $275 |
| Baclofen | Generic | 21 | 0 | $225 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 21 | 21 | $309 |
| Pantoprazole Sodium | Generic | 18 | 0 | $313 |
| Dicyclomine Hcl | Generic | 16 | 11 | $213 |
| Linzess (Linaclotide) | Brand | 16 | 0 | $10,170 |
| Creon (Lipase/Protease/Amylase) | Brand | 15 | 0 | $20,636 |
| Rabeprazole Sodium | Generic | 15 | 0 | $695 |
| Lactulose | Generic | 11 | 0 | $622 |
Hospital affiliations
Frequently asked questions
What is Dr. Anne Liu's medical specialty?
Dr. Anne Liu practices Gastroenterology Physician in New Haven, CT.
Where does Dr. Anne Liu practice?
Dr. Anne Liu practices at 20 York Street, Cb-2041, New Haven, CT 065103220. Office phone: 2036884748.
What is Dr. Anne Liu's NPI?
Dr. Anne Liu's National Provider Identifier (NPI) is 1962848416, issued by NPPES.
Does Dr. Anne Liu accept Medicare assignment?
Yes. Dr. Anne Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anne Liu commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.