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

NPI Status: Active since February 17, 2006

Contact Information

101 MERRIMAC ST
1ST FLOOR
BOSTON, MA
ZIP 02114
Phone: (617) 726-4132
Fax: (617) 726-4213

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  • Individual
  • Male
  • Years of Experience 45
  • Internal Medicine
  • Nephrology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • CLIA Number: 22D2092695
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-14-2025

About JOHN NILES

This page provides the complete NPI Profile along with additional information for John Niles, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in nephrology and more than 45 years of experience. He graduated from Oregon Health Sciences University School Of Medicine in 1981. The healthcare provider is registered in the NPI registry with number 1316912033 assigned on February 2006. The practitioner's primary taxonomy code is 207RN0300X with license number 54243 (MA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1316912033
Provider Name
DR. JOHN L NILES MD
Gender
Male
Entity Type
Individual
Location Address
101 MERRIMAC ST 1ST FLOOR BOSTON, MA 02114
Location Phone
(617) 726-4132
Location Fax
(617) 726-4213
Mailing Address
101 MERRIMAC ST 1ST FLOOR, SUITE 7 BOSTON, MA 02114
Mailing Phone
(617) 726-4132
Mailing Fax
(617) 726-4213
Medical School Name
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
1981
Is Sole Proprietor?
No
Enumeration Date
02-17-2006
Last Update Date
02-04-2015
Code Navigator

An internist like John Niles is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
54243
License State
MA
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

54243 (MA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
B74922MEDICARE UPIN (02) 
110045431/AMEDICAID (05)MA 
J07173OTHER (01)MABCBS MA
724621OTHER (01)MATUFTS HEALTH PLAN
J07173MEDICARE ID-TYPE UNSPECIFIED (04)MA 

Medicare Participation & PECOS Enrollment Status

John Niles is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

John Niles is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 2365430063

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20040503000717

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Adm sarscv2 30mcg trs-sucr 3

This refers to the administration of a 30 microgram dosage of the SARS-CoV-2 vaccine, which helps protect against COVID-19. The 'trs-sucr 3' part indicates it's stabilized with a sugar solution. This vaccine helps your immune system fight off the virus if you're exposed.

This service was performed 14 times for 14 patients

Administration of chemotherapy into vein, 1 hour or less

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.

This service was performed 236 times for 159 patients

Administration of chemotherapy into vein, each additional hour

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.

This service was performed 700 times for 157 patients

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 32 times for 31 patients

Automated urinalysis test

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.

This service was performed 344 times for 227 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

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.

This service was performed 251 times for 170 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 23 times for 21 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 241 times for 166 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 53 times for 33 patients

Fee covid-19 vac 14 res

The "Fee covid-19 vac 14 res" refers to a charge for a specific service related to the COVID-19 vaccine. This could be for administering the vaccine or related care. It's crucial to get vaccinated to protect against the virus. The fee ensures quality service.

This service was performed 12 times for 12 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 30 times for 29 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

This service was performed 51 times for 17 patients

Injection of additional new drug or substance into vein

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.

This service was performed 241 times for 158 patients

Injection, hydrocortisone sodium succinate, up to 100 mg

Hydrocortisone sodium succinate injection is a medication given to treat various conditions like allergies, skin conditions, arthritis, or breathing disorders. It works by reducing inflammation and the body's immune response. The dose, up to 100 mg, depends on your condition.

This service was performed 236 times for 157 patients

Injection, iron sucrose, 1 mg

Iron sucrose injection is a treatment given to replenish iron in your body, often used when oral iron supplements are not effective. This helps your body make red blood cells, improving health and energy levels.

This service was performed 8,800 times for 13 patients

Injection, rituximab, 10 mg

Rituximab is a medication given via injection. It's used to treat certain types of cancer and autoimmune diseases. The 10 mg dosage refers to the amount of the drug in the injection. It works by targeting and destroying specific cells, helping your body's immune system.

This service was performed 17,000 times for 124 patients

Injection, rituximab-abbs, biosimilar, (truxima), 10 mg

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.

This service was performed 4,800 times for 44 patients

Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromise

Tixagevimab and cilgavimab injection is a preventive treatment for certain adults and children (12+ years, weighing 40kg+) with compromised health conditions. It's used when there's no known exposure to SARS-CoV-2, to help their bodies better fend off potential infections.

This service was performed 157 times for 107 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 418 times for 243 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $36.02 for a new patient copayment and $27.79 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 02114 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $144.11
  • Minimum New Patient Price $63.72
  • Maximum New Patient Price $189.86
  • Average New Patient Copayment $36.02
  • Minimum New Patient Copayment $15.93
  • Maximum New Patient Copayment $47.46

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $111.18
  • Minimum Established Patient Price $21.07
  • Maximum Established Patient Price $155.29
  • Average Established Patient Copayment $27.79
  • Minimum Established Patient Copayment $5.26
  • Maximum Established Patient Copayment $38.82

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. John Niles is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTH SHORE MEDICAL CENTER -81 HIGHLAND AVENUE
SALEM, MA 01970
(978) 741-1215Acute Care Hospitals
MASSACHUSETTS GENERAL HOSPITAL55 FRUIT STREET
BOSTON, MA 02114
(617) 724-9725Acute Care Hospitals
NEWTON-WELLESLEY HOSPITAL2014 WASHINGTON STREET
NEWTON, MA 02462
(617) 243-6000Acute Care Hospitals
BRIGHAM AND WOMEN'S HOSPITAL75 FRANCIS STREET
BOSTON, MA 02115
(617) 732-5500Acute Care Hospitals

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
22D2092695
Facility Type
Physician Office
Certificate Effective Date
November 15, 2023
Certificate Expiration Date
November 14, 2025
Laboratory Director
JOHN L. NILES
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to John Niles after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1316912033, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 9 → 18 → 9 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 2 + 6 + 1 + 8 + 1 + 4 + 0 + 6 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1316912033.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

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

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316912033, enumerated as an "individual" on February 17, 2006.

The provider is located at 101 MERRIMAC ST 1ST FLOOR BOSTON, MA 02114 and the phone number is (617) 726-4132.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.

The provider might be accepting Accepts: Medicare, Medicaid, Blue Cross Blue Shield and. Please consult your insurance carrier or call the provider to verify.

John Niles is affiliated with: NORTH SHORE MEDICAL CENTER -, MASSACHUSETTS GENERAL HOSPITAL, NEWTON-WELLESLEY HOSPITAL and BRIGHAM AND WOMEN'S HOSPITAL.