John Nick Chafos, MD - Medicare in Green Brook, NJ

John Nick Chafos, MD is a medicare enrolled "Internal Medicine" physician in Green Brook, New Jersey. His current practice location is 257 Rt 22 East, Green Brook, New Jersey. You can reach out to his office (for appointments etc.) via phone at (732) 968-8832.

John Nick Chafos is licensed to practice in New Jersey (license number 25MA05399400) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1871673830.

Contact Information

John Nick Chafos, MD
257 Rt 22 East,
Green Brook, NJ 08812
(732) 968-8832
(732) 968-2187

Map and Direction




Physician's Profile

Full NameJohn Nick Chafos
GenderMale
Speciality
Experience Years
Location257 Rt 22 East, Green Brook, New Jersey
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Nick Chafos attended and graduated from in
  NPI Data:
  • NPI Number: 1871673830
  • Provider Enumeration Date: 10/16/2006
  • Last Update Date: 03/29/2011
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for John Nick Chafos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871673830NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 25MA05399400 (New Jersey)Secondary
207R00000XInternal Medicine 25MA05399400 (New Jersey)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Nick Chafos is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Nick Chafos, MD
257 Rt 22 East,
Green Brook, NJ 08812

Ph: (732) 968-8832
John Nick Chafos, MD
257 Rt 22 East,
Green Brook, NJ 08812

Ph: (732) 968-8832

Reviews and Comments


Internal Medicine Doctors in Green Brook, NJ

Joseph Atanasio, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 257 Rt. 22 East, Green Brook, NJ 08812
Phone: 732-968-8832    Fax: 732-968-2187
Dr. Suzan Y Khalil, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 Greenbrook Rd, Green Brook, NJ 08812
Phone: 732-968-2401    Fax: 732-968-8125
Dr. Anandan Devarajan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 230 W End Ave, Green Brook, NJ 08812
Phone: 908-251-5114    Fax: 201-437-2419
Yoram Sharon, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1005 North Washington Ave, Green Brook, NJ 08812
Phone: 732-968-8900    Fax: 732-968-4609
Syed Fahim Ahmed, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1005 North Washington Ave, Green Brook, NJ 08812
Phone: 732-968-8900    Fax: 732-968-4609

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.