DR. JOHN NIEDZWICKI M.D. NPI 1306812367

NPI Information

  • NPI: 1306812367
  • Provider Name: DR. JOHN NIEDZWICKI, M.D.
  • Classification: Internal Medicine - 207RX0202X
  • Specialization: Medical Oncology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 535 FAUNCE CORNER RD
    DARTMOUTH, MA
    ZIP 02747
  • Phone: (508) 996-3991

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NPI Details

DR. John Niedzwicki, M.D. is a medical oncology internal medicine in Dartmouth, MA with 40 years of experience. The provider is an internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer. DR. John Niedzwicki, M.D. NPI is 1306812367. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1986

The provider's business location address is:

535 FAUNCE CORNER RD
DARTMOUTH, MA
ZIP 02747-242
Phone: (508) 996-3991

The NPI 1306812367 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Injection, iron sucrose, 1 mg (HCPCS:J1756)
  • Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS:Q5106)
  • Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS:J0885)
  • Injection, infliximab-dyyb, biosimilar, (inflectra), 10 mg (HCPCS:Q5103)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Ferritin (blood protein) level (HCPCS:82728)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Iron level (HCPCS:83540)
  • Iron binding capacity (HCPCS:83550)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test (HCPCS:85027)
  • Liver function blood test panel (HCPCS:80076)
  • Microscopic examination for white blood cells with manual cell count (HCPCS:85007)
  • Infusion, normal saline solution, 250 cc (HCPCS:J7050)
  • Cyanocobalamin (vitamin b-12) level (HCPCS:82607)
  • Administration of chemotherapy into vein, each additional hour (HCPCS:96415)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Blood test, comprehensive group of blood chemicals (HCPCS:80053)
  • Red blood cell sedimentation rate, to detect inflammation, automated (HCPCS:85652)
  • Red blood count, automated test (HCPCS:85045)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS:J3420)
  • Blood creatinine level (HCPCS:82565)
  • Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) (HCPCS:80051)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Urea nitrogen level to assess kidney function, quantitative (HCPCS:84520)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • Folic acid level, serum (HCPCS:82746)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Bilirubin level, direct (HCPCS:82248)
  • Measurement c-reactive protein for detection of infection or inflammation (HCPCS:86140)

The enumeration date for this NPI number is 2/28/2006 and was last updated on 4/24/2023.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RX0202XInternal MedicineMedical Oncology74834MASSACHUSETTSYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
13091112MEDICAIDMASSACHUSETTS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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