Physician Profile
Unclaimed ProfileAbout NILES
Based in Boston, MA, John L Niles, MD is listed in the NPI registry under nephrology. John graduated from Oregon Health Sciences University School of Medicine in 1981. John is also listed as specializing in internal medicine. Medicare claims data shows John provided 27,010 services to 1,737 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 726-4132
- Email not available
Practice Locations
101 MERRIMAC ST 1ST FLOOR
Boston, MA 02114
Procedures Most Often Billed to Medicare
27,010 services · 1,737 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
201 |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
732 |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
259 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
253 |
| Injection, methylprednisolone sodium succinate, 5 mg | Drug given | J2919 |
1,576 |
| Injection, methylprednisolone sodium succinate, up to 40 mg | Drug given | J2920 |
28 |
| Injection, methylprednisolone sodium succinate, up to 125 mg | Drug given | J2930 |
21 |
| Injection, rituximab-abbs, biosimilar, (truxima), 10 mg | Billing code | Q5115 |
22,850 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
436 |
| Automated urinalysis test | Lab test | 81003 |
403 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nephrology specialists in Boston 8
Same specialty, same city.
Trained at Oregon Health Sciences University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1981 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Niles?
Dr. Niles is a nephrology in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
What is Dr. Niles's address?
Dr. Niles is listed at 101 MERRIMAC ST 1ST FLOOR, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Niles?
The number on file is (617) 726-4132. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Niles?
Dr. Niles's National Provider Identifier is 1316912033. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Niles train?
Dr. Niles attended Oregon Health Sciences University School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Niles have?
Dr. Niles has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Niles perform?
According to Medicare billing data, Dr. Niles performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as administration of chemotherapy into vein, each additional hour and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Niles's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Niles. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.