DR. JOHN L NILES MD
NPI 1316912033
Internal Medicine - Nephrology in Boston, MA

Active since February 17, 2006PECOS EnrolledAccepts Medicare Assignment
101 MERRIMAC ST, 1ST FLOOR, BOSTON, MA 02114(617) 726-4132(617) 726-4213 Get Directions Write a Review

NPPES record last updated: February 4, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John L Niles Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN L NILES MD (NPI 1316912033) is an individual nephrology provider in Boston, Massachusetts, licensed in Massachusetts (54243) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Oregon Health Sciences University School Of Medicine (1981).

NPPES Registry Identity

NPI1316912033
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. JOHN L NILESCredential: MD
Location Address101 MERRIMAC ST, 1ST FLOORBoston, MA 02114-4724
Mailing Address101 Merrimac St, 1st Floor, Suite 7Boston, MA 02114-4724 · (617) 726-4132 · Fax (617) 726-4213
Fax(617) 726-4213
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1981
Enumeration DateFebruary 17, 2006
Last NPPES UpdateFebruary 4, 2015
NPI 1316912033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in MA · 54243
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 54243 (MA)
101 MERRIMAC ST, Boston, MA 02114

Other Identifiers 5

Medicare UPINB74922
Medicaid110045431/AMA
OtherJ07173MA · Bcbs Ma
Other724621MA · Tufts Health Plan
Medicare ID-Type UnspecifiedJ07173MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John L Niles Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365430063
PECOS Enrollment IDI20040503000717
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, rituximab-abbs, biosimilar, (truxima), 10 mg Q5115
Rituximab-abbs (Truxima) is a biosimilar medication given through injection. It's used to treat certain types of cancer or autoimmune conditions by targeting specific proteins in your body to help control the growth of cancer cells or regulate your immune system.
22,850 services159 patients
Administration of chemotherapy into vein, each additional hour 96415
Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.
732 services166 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
436 services260 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
403 services260 patients
Administration of chemotherapy into vein, 1 hour or less 96413
Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.
259 services168 patients
Injection of additional new drug or substance into vein 96375
This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.
253 services169 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Medical Specialty)
101 MERRIMAC ST, 1ST FLOOR
BOSTON, MA 02114
Psychologist
101 MERRIMAC ST, SUITE 250
BOSTON, MA 02114
Family Medicine
101 MERRIMAC ST, SUITE 1000
BOSTON, MA 02114
Internal Medicine (Medical Oncology)
101 MERRIMAC ST, M01 10
BOSTON, MA 02114
Social Worker (Clinical)
101 MERRIMAC ST, 250
BOSTON, MA 02114
Internal Medicine
101 MERRIMAC ST, SUITE 1000
BOSTON, MA 02114
Social Worker
101 MERRIMAC ST, SUITE 250
BOSTON, MA 02114
Nurse Practitioner (Occupational Health)
101 MERRIMAC ST, RM. 420
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Niles's NPI number?

The NPI number for John Niles is 1316912033. It was assigned to this individual provider in the NPPES registry on February 17, 2006.

Where is John Niles located?

John Niles practices at 101 Merrimac St 1st Floor, Boston, MA 02114. The listed phone number is (617) 726-4132.

What is John Niles's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is John Niles enrolled in Medicare?

Yes. John Niles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is John Niles affiliated with any hospitals?

According to CMS data, John Niles is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for John Niles was last updated on February 4, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.