John Niles, MD
NPI 1316912033 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Niles, MD is a Nephrology Physician provider in Boston, MA (NPI 1316912033).
Provider details
- NPI number
- 1316912033
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 54243 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,535 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 732 | $31 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 436 | $8 |
| Automated Urinalysis Test81003 | 403 | $2 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 259 | $149 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 253 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 201 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 39 | 18 |
| Losartan Potassium | 24 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 24 | 11 |
| Amlodipine Besylate | 23 | — |
| Furosemide | 21 | — |
| Carvedilol | 19 | — |
| Omeprazole | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,757 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2015-02-04
Frequently asked questions
- What is John Niles's NPI number?
- John Niles's National Provider Identifier (NPI) is 1316912033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Niles's specialty?
- John Niles is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Niles located?
- John Niles's practice location on file with NPPES is 101 Merrimac St, Boston, MA 02114-4724.
- What is John Niles's phone number?
- The practice phone number listed in the NPPES registry for John Niles is (617) 726-4132.
- Does John Niles accept Medicare?
- John Niles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Niles's NPI active?
- Yes — John Niles's NPI (1316912033) is active in the NPPES registry as of the last update on 2015-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.