Doctor profile · Federal record
Dr. Stephen Louie, MD
Hematology (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Boston, MA
- NPI 1700879350
- Accepts Medicare
- 60 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
228 Harrison Ave
Boston, MA 021113000
(617) 423-5511
fax (617) 332-1979
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1966 — 60 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- Massachusetts #39656
- Medicaid
- MA #0116629
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700879350. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
620
Distinct HCPCS
6
Medicare allowed
$46,931
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 291 | 66 | $100 | |
36415 |
Insertion of needle into vein for collection of blood sample | 107 | 60 | $8 | |
90688 |
Influenza vaccine, quadrivalent, 0.5 ml dosage | 63 | 63 | $20 | |
G0008 |
Administration of influenza virus vaccine | 63 | 63 | $34 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 53 | 53 | $142 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 43 | 25 | $140 |
In context: peer comparison
Among 26 peers in this city , average services per provider: 95. This provider delivers 6.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
766
Patients
177
Total drug cost
$14,395
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Simvastatin | Generic | 151 | 43 | $2,168 |
| Amlodipine Besylate | Generic | 104 | 26 | $1,059 |
| Metformin Hcl | Generic | 80 | 21 | $1,060 |
| Famotidine | Generic | 51 | 12 | $726 |
| Atorvastatin Calcium | Generic | 49 | 15 | $1,293 |
| Chlorthalidone | Generic | 46 | 12 | $1,292 |
| Lisinopril | Generic | 46 | 12 | $390 |
| Losartan Potassium | Generic | 45 | 13 | $982 |
| Metoprolol Succinate | Generic | 40 | 12 | $1,431 |
| Allopurinol | Generic | 32 | 11 | $602 |
Frequently asked questions
What is Dr. Stephen Louie's medical specialty?
Dr. Stephen Louie practices Hematology (Internal Medicine) Physician in Boston, MA.
Where does Dr. Stephen Louie practice?
Dr. Stephen Louie practices at 228 Harrison Ave, Boston, MA 021113000. Office phone: 6174235511.
What is Dr. Stephen Louie's NPI?
Dr. Stephen Louie's National Provider Identifier (NPI) is 1700879350, issued by NPPES.
Does Dr. Stephen Louie accept Medicare assignment?
Yes. Dr. Stephen Louie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Louie 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); Influenza vaccine, quadrivalent, 0.5 ml dosage (HCPCS 90688). Source: CMS Medicare Physician & Other Practitioners file.