Doctor profile · Federal record
Dr. Kathleen Leahy, M.D., MPH
Internal Medicine Physician (CMS: Hematology) · Boston, MA
- NPI 1275913014
- Accepts Medicare
- 11 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #264073
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275913014. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
574
Distinct HCPCS
10
Medicare allowed
$52,443
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 192 | 84 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 101 | 70 | $70 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 58 | 51 | $99 | |
36415 |
Insertion of needle into vein for collection of blood sample | 44 | 21 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 37 | 16 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $139 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 30 | 30 | $193 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 26 | $141 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 14 | $153 | |
83615 |
Lactate dehydrogenase (enzyme) level | 13 | 11 | $6 |
In context: peer comparison
Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$116
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 1 | $115.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
534
Patients
124
Total drug cost
$496,649
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 233 | 64 | $7,459 |
| Dexamethasone | Generic | 50 | 15 | $264 |
| Eliquis (Apixaban) | Brand | 48 | 14 | $39,268 |
| Tamoxifen Citrate | Generic | 39 | 0 | $1,690 |
| Prochlorperazine Maleate | Generic | 28 | 20 | $905 |
| Exemestane | Generic | 25 | 0 | $7,845 |
| Lorazepam | Generic | 21 | 0 | $47 |
| Ondansetron Odt (Ondansetron) | Brand | 19 | 11 | $4,567 |
| Letrozole | Generic | 18 | 0 | $804 |
| Gabapentin | Generic | 15 | 0 | $86 |
Hospital affiliations
Frequently asked questions
What is Dr. Kathleen Leahy's medical specialty?
Dr. Kathleen Leahy practices Internal Medicine Physician in Boston, MA.
Where does Dr. Kathleen Leahy practice?
Dr. Kathleen Leahy practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176677000.
What is Dr. Kathleen Leahy's NPI?
Dr. Kathleen Leahy's National Provider Identifier (NPI) is 1275913014, issued by NPPES.
Does Dr. Kathleen Leahy accept Medicare assignment?
Yes. Dr. Kathleen Leahy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Leahy 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.