Doctor profile · Federal record
Dr. David Leaf, M.D., M.M.S.C.
Nephrology Physician (CMS: Nephrology) · Emergency Medical Services (Emergency Medicine) Physician · Boston, MA
- NPI 1669635124
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- June 6, 2014
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Massachusetts #253944
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669635124. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
276
Distinct HCPCS
3
Medicare allowed
$35,007
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 227 | 53 | $126 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 26 | 20 | $84 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 23 | $179 |
In context: peer comparison
Among 73 peers in this city , average services per provider: 137. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$25,821
Transactions
14
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alexion Pharmaceuticals, Inc. | 13 | $25,762.04 | |
| Novartis Pharmaceuticals Corporation | 1 | $58.61 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. David Leaf's medical specialty?
Dr. David Leaf practices Nephrology Physician in Boston, MA.
Where does Dr. David Leaf practice?
Dr. David Leaf practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. David Leaf's NPI?
Dr. David Leaf's National Provider Identifier (NPI) is 1669635124, issued by NPPES.
Does Dr. David Leaf accept Medicare assignment?
Yes. Dr. David Leaf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Leaf commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.