Doctor profile · Federal record

Dr. John Niles, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Boston, MA

  • NPI 1316912033
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Merrimac St, 1St Floor
Boston, MA 021144724
(617) 726-4132
fax (617) 726-4213

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 4, 2015
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #54243
Medicaid
MA #110045431/A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316912033. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
26,454
Distinct HCPCS
10
Medicare allowed
$1,318,634
HCPCS Description Services Patients Avg allowed
Q5115 Injection, rituximab-abbs, biosimilar, (truxima), 10 mg 18,150 132 $42
J9312 Injection, rituximab, 10 mg 5,500 43 $79
96415 Administration of chemotherapy into vein, each additional hour 766 166 $32
36415 Insertion of needle into vein for collection of blood sample 363 225 $8
81003 Automated urinalysis test 314 211 $2
96375 Injection of additional new drug or substance into vein 257 168 $18
96413 Administration of chemotherapy into vein, 1 hour or less 253 167 $153
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 249 187 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 225 149 $140
J2920 Injection, methylprednisolone sodium succinate, up to 40 mg 178 139 $4

In context: peer comparison

Among 73 peers in this city , average services per provider: 137. This provider delivers 193× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,757
Transactions
13
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, Inc. 10 $1,598.96
Amgen Inc. 2 $155.67
Travere Therapeutics, Inc. 1 $2.66

By nature of payment

Travel and Lodging
$1,139
Food and Beverage
$616
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
319
Patients
67
Total drug cost
$801,137
Drug Type Claims Patients Total cost
Prednisone Generic 64 27 $1,039
Furosemide Generic 35 13 $318
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 31 15 $270
Amlodipine Besylate Generic 23 12 $173
Azathioprine Generic 23 0 $582
Allopurinol Generic 21 0 $445
Omeprazole Generic 18 0 $536
Carvedilol Generic 16 0 $203
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 15 0 $944
Eliquis (Apixaban) Brand 13 0 $19,611

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Niles's medical specialty?
Dr. John Niles practices Nephrology Physician in Boston, MA.
Where does Dr. John Niles practice?
Dr. John Niles practices at 101 Merrimac St, Boston, MA 021144724. Office phone: 6177264132.
What is Dr. John Niles's NPI?
Dr. John Niles's National Provider Identifier (NPI) is 1316912033, issued by NPPES.
Does Dr. John Niles accept Medicare assignment?
Yes. Dr. John Niles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Niles commonly perform?
Top Medicare-reported procedures in 2023: Injection, rituximab-abbs, biosimilar, (truxima), 10 mg (HCPCS Q5115); Injection, rituximab, 10 mg (HCPCS J9312); Administration of chemotherapy into vein, each additional hour (HCPCS 96415). Source: CMS Medicare Physician & Other Practitioners file.