Doctor profile · Federal record
Dr. Ajay Singh, MD
Nephrology Physician (CMS: Neurology) · Boston, MA
- NPI 1376551382
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis Street, Brigham and Womens Hospital Renal Division
Boston, MA 02115
(617) 732-5951
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- April 20, 2012
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Massachusetts #71991
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376551382. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
85
Distinct HCPCS
3
Medicare allowed
$6,487
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90935 |
Hemodialysis procedure with physician evaluation | 49 | 25 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 14 | $70 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 14 | 14 | $88 |
In context: peer comparison
Among 73 peers in Boston Nephrology Physician, average services per provider: 137. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$72,441
Transactions
25
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alexion Pharmaceuticals, INC. | 19 | $33,283.35 | |
| GlaxoSmithKline, LLC. | 2 | $23,075.00 | |
| Bayer Healthcare Pharmaceuticals INC. | 4 | $16,082.83 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
57
Patients
0
Total drug cost
$33,746
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Farxiga (Dapagliflozin Propanediol) | Brand | 25 | 0 | $17,630 |
| Furosemide | Generic | 20 | 0 | $147 |
| Kerendia (Finerenone) | Brand | 12 | 0 | $15,969 |
Hospital affiliations
Frequently asked questions
What is Dr. Ajay Singh's medical specialty?
Dr. Ajay Singh practices Nephrology Physician in Boston, MA.
Where does Dr. Ajay Singh practice?
Dr. Ajay Singh practices at 75 Francis Street, Boston, MA 02115. Office phone: 6177325951.
What is Dr. Ajay Singh's NPI?
Dr. Ajay Singh's National Provider Identifier (NPI) is 1376551382, issued by NPPES.
Does Dr. Ajay Singh accept Medicare assignment?
Yes. Dr. Ajay Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Singh commonly perform?
Top Medicare-reported procedures in 2023: Hemodialysis procedure with physician evaluation (HCPCS 90935); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.