Doctor profile · Federal record
Dr. Thomas Xu, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Wilton, CT
- NPI 1972881050
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
372 Danbury RD Ste 197
Wilton, CT 068972523
(203) 276-3366
fax (203) 276-3367
Credentials & registration
- NPI registered
- July 2011 — 15 yrs on file
- Profile last updated
- February 22, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Connecticut #053419 · New York #275273
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972881050. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
584
Distinct HCPCS
9
Medicare allowed
$58,765
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 187 | 103 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 186 | 111 | $97 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 113 | 28 | $67 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 26 | 26 | $16 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 19 | $191 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 14 | 12 | $60 | |
G0008 |
Administration of influenza virus vaccine | 13 | 13 | $33 | |
90662 |
Influenza vaccine split virus, preservative free | 12 | 12 | $72 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 11 | 11 | $97 |
In context: peer comparison
Among 7 peers in Wilton Internal Medicine Physician, average services per provider: 69. This provider delivers 8.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
799
Patients
155
Total drug cost
$12,298
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 158 | 47 | $1,564 |
| Lisinopril | Generic | 87 | 21 | $505 |
| Amlodipine Besylate | Generic | 76 | 21 | $461 |
| Levothyroxine Sodium | Generic | 70 | 16 | $1,134 |
| Losartan Potassium | Generic | 60 | 18 | $1,036 |
| Fluoxetine Hcl | Generic | 55 | 0 | $354 |
| Rosuvastatin Calcium | Generic | 54 | 19 | $1,244 |
| Tamsulosin Hcl | Generic | 47 | 13 | $513 |
| Metformin Hcl | Generic | 39 | 0 | $325 |
| Pravastatin Sodium | Generic | 31 | 0 | $324 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Xu's medical specialty?
Dr. Thomas Xu practices Internal Medicine Physician in Wilton, CT.
Where does Dr. Thomas Xu practice?
Dr. Thomas Xu practices at 372 Danbury RD Ste 197, Wilton, CT 068972523. Office phone: 2032763366.
What is Dr. Thomas Xu's NPI?
Dr. Thomas Xu's National Provider Identifier (NPI) is 1972881050, issued by NPPES.
Does Dr. Thomas Xu accept Medicare assignment?
Yes. Dr. Thomas Xu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Xu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.