Christopher M Davison, MD - Medicare Emergency Medicine in Greenwich, CT

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Christopher M Davison, MD is a medicare enrolled "Emergency Medicine" physician in Greenwich, Connecticut. His current practice location is 5 Perryridge Rd, Emergency Department, Greenwich, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 863-3637.

Christopher M Davison is licensed to practice in Connecticut (license number 041247) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225051857.

Contact Information

Christopher M Davison, MD
5 Perryridge Rd, Emergency Department,
Greenwich, CT 06830-4608
(203) 863-3637
(203) 863-3821

Map and Direction




Physician's Profile

Full NameChristopher M Davison
GenderMale
SpecialityEmergency Medicine
Location5 Perryridge Rd, Greenwich, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225051857
  • Provider Enumeration Date: 07/25/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7113119009
  • Enrollment ID: I20101011000666

Medical Identifiers

Medical identifiers for Christopher M Davison such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225051857NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 041247 (Connecticut)Primary

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. Christopher M Davison allows following entities to bill medicare on his behalf.
Entity NameGreenwich Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609846088
PECOS PAC ID: 3678476710
Enrollment ID: O20040128000288

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. Christopher M Davison 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
Christopher M Davison, MD
5 Perryridge Rd, Emergency Department,
Greenwich, CT 06830-4608

Ph: (203) 863-3637		Christopher M Davison, MD
5 Perryridge Rd, Emergency Department,
Greenwich, CT 06830-4608

Ph: (203) 863-3637

Reviews and Comments


Emergency Medicine Doctors in Greenwich, CT

Shideh Imanian-parsa, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5 Perryridge Rd, Emergency Department, Greenwich, CT 06830
Phone: 203-863-3637    Fax: 203-863-3821
Stacey M Donegan, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5 Perryridge Rd, Emergency Department, Greenwich, CT 06830
Phone: 203-863-3637    Fax: 203-863-3821
Dr. Jeremiah H Tyson, M.D
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5 Perryridge Rd, Greenwich, CT 06830
Phone: 203-863-3000    
J. Allen Britvan, M.D
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5 Perryridge Rd, Emergency Department, Greenwich, CT 06830
Phone: 203-863-3637    Fax: 203-863-3281
Michael S Canter, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5 Perryridge Rd, Emergency Department, Greenwich, CT 06830
Phone: 203-863-3632    Fax: 203-863-3821
Dr. Cerrah Lynn Mendelsohn-elzam, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 7 Riversville Rd Ste 1, Greenwich, CT 06831
Phone: 203-531-1808    Fax: 203-531-8326

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.