Doctor profile · Federal record
Dr. Isaac Smith, MD
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1154778769
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 643-0596
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #268033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154778769. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
159
Distinct HCPCS
6
Medicare allowed
$16,740
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 14 | $113 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 25 | $87 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 15 | $75 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 27 | 21 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $165 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $77 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 2.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
359
Patients
73
Total drug cost
$166,827
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 94 | 38 | $1,069 |
| Hydroxychloroquine Sulfate | Generic | 54 | 18 | $4,277 |
| Methotrexate (Methotrexate Sodium) | Brand | 51 | 17 | $3,030 |
| Leflunomide | Generic | 21 | 0 | $1,436 |
| Azathioprine | Generic | 17 | 0 | $1,527 |
| Tramadol Hcl | Generic | 17 | 0 | $33 |
| Allopurinol | Generic | 15 | 0 | $200 |
| Alendronate Sodium | Generic | 14 | 0 | $128 |
| Clobetasol Propionate | Generic | 14 | 0 | $1,862 |
| Actemra Actpen (Tocilizumab) | Brand | 13 | 0 | $63,734 |
Frequently asked questions
What is Dr. Isaac Smith's medical specialty?
Dr. Isaac Smith practices Internal Medicine Physician in Boston, MA.
Where does Dr. Isaac Smith practice?
Dr. Isaac Smith practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6176430596.
What is Dr. Isaac Smith's NPI?
Dr. Isaac Smith's National Provider Identifier (NPI) is 1154778769, issued by NPPES.
Does Dr. Isaac Smith accept Medicare assignment?
Yes. Dr. Isaac Smith accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Smith commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.