Gregory S Johnston, MD - Medicare Emergency Medicine in New London, CT

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Gregory S Johnston, MD is a medicare enrolled "Emergency Medicine" physician in New London, Connecticut. He graduated from medical school in 1990 and has 36 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Emergency Medicine Services Of Nh, Llc, Emergency Professional Services Pc and his current practice location is 365 Montauk Ave, New London, Connecticut. You can reach out to his office (for appointments etc.) via phone at (860) 442-0711.

Gregory S Johnston is licensed to practice in Connecticut (license number 64109) 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 1457344137.

Contact Information

Gregory S Johnston, MD
365 Montauk Ave,
New London, CT 06320-4700
(860) 442-0711
Not Available

Map and Direction




Physician's Profile

Full NameGregory S Johnston
GenderMale
SpecialityEmergency Medicine
Experience36 Years
Location365 Montauk Ave, New London, Connecticut
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:
  • Gregory S Johnston graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1457344137
  • Provider Enumeration Date: 08/26/2005
  • Last Update Date: 10/29/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9739137464
  • Enrollment ID: I20260217002023

Medical Identifiers

Medical identifiers for Gregory S Johnston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457344137NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 64109 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Catholic Medical CenterManchester, NHHospital
Banner Ironwood Medical CenterQueen creek, AZHospital
Banner Goldfield Medical CenterApache junction, AZHospital
Greenwich Hospital Association -Greenwich, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emergency Medicine Services Of Nh, Llc317398847466
Emergency Professional Services Pc6901707272107

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory S Johnston allows following entities to bill medicare on his behalf.
Entity NameEmergency Medicine Services of NH, LLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386341444
PECOS PAC ID: 3173988474
Enrollment ID: O20230419002879

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. Gregory S Johnston 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
Gregory S Johnston, MD
365 Montauk Ave,
New London, CT 06320-4700

Ph: (860) 442-0711		Gregory S Johnston, MD
365 Montauk Ave,
New London, CT 06320-4700

Ph: (860) 442-0711

Reviews and Comments


Emergency Medicine Doctors in New London, CT

Samuel Maryles, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 330-493-4443    Fax: 330-493-8677
Michael James Drechsler, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 860-442-0711    
Michael W Joseph, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 860-442-0711    
Dr. Anthony Noto, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 860-442-0711    
Russell Firman, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 330-493-4443    Fax: 330-493-8677
Siri L Daulaire, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 860-442-0711    
Jayson Podber, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 365 Montauk Ave, New London, CT 06320
Phone: 330-493-4443    Fax: 330-493-8677

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.