Doctor profile · Federal record
Dr. Zachary Liao, MD, MPH, MS
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1538692207
- Accepts Medicare
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 Brookline Ave
Boston, MA 022153904
(617) 421-1000
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- September 8, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #294797
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538692207. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
167
Distinct HCPCS
7
Medicare allowed
$8,540
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 36 | $86 | |
36415 |
Insertion of needle into vein for collection of blood sample | 39 | 31 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 25 | 22 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 20 | 20 | $108 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 13 | $107 | |
83036 |
Hemoglobin a1c level | 15 | 11 | $10 | |
G0008 |
Administration of influenza virus vaccine | 11 | 11 | $34 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
68
Patients
16
Total drug cost
$1,243
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 27 | 16 | $715 |
| Amlodipine Besylate | Generic | 15 | 0 | $239 |
| Losartan Potassium | Generic | 15 | 0 | $183 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 11 | 0 | $107 |
Frequently asked questions
What is Dr. Zachary Liao's medical specialty?
Dr. Zachary Liao practices Internal Medicine Physician in Boston, MA.
Where does Dr. Zachary Liao practice?
Dr. Zachary Liao practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174211000.
What is Dr. Zachary Liao's NPI?
Dr. Zachary Liao's National Provider Identifier (NPI) is 1538692207, issued by NPPES.
Does Dr. Zachary Liao accept Medicare assignment?
Yes. Dr. Zachary Liao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Liao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.