Dr Eric Mark Greenfield, DO - Medicare Emergency Medicine in Tamuning, GU

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Dr Eric Mark Greenfield, DO is a medicare enrolled "Emergency Medicine" physician in Tamuning, Guam. He went to Ohio Medical University and graduated in 2007 and has 17 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Middle Tennessee Emergency Physicians, P.c. and his current practice location is 850 Gov Carlos G Camacho Rd, Tamuning, Guam. You can reach out to his office (for appointments etc.) via phone at (671) 988-7814.

Dr Eric Mark Greenfield is licensed to practice in Georgia (license number RTP002364) 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 1457558025.

Contact Information

Dr Eric Mark Greenfield, DO
850 Gov Carlos G Camacho Rd,
Tamuning, GU 96913-3128
(671) 988-7814
Not Available

Map and Direction




Physician's Profile

Full NameDr Eric Mark Greenfield
GenderMale
SpecialityEmergency Medicine
Experience17 Years
Location850 Gov Carlos G Camacho Rd, Tamuning, Guam
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:
  • Dr Eric Mark Greenfield attended and graduated from Ohio Medical University in 2007
  NPI Data:
  • NPI Number: 1457558025
  • Provider Enumeration Date: 06/28/2007
  • Last Update Date: 05/16/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 1355492943
  • Enrollment ID: I20161111000177

Medical Identifiers

Medical identifiers for Dr Eric Mark Greenfield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457558025NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine RTP002364 (Georgia)Primary
207P00000XEmergency Medicine DO0064 (Guam)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Saint Thomas West HospitalNashville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Middle Tennessee Emergency Physicians, P.c.367846452667

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. Dr Eric Mark Greenfield allows following entities to bill medicare on his behalf.
Entity NameMiddle Tennessee Emergency Physicians, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194758979
PECOS PAC ID: 3678464526
Enrollment ID: O20040322001049

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. Dr Eric Mark Greenfield 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
Dr Eric Mark Greenfield, DO
Po Box 14125,
Huntsville, AL 35815-0125

Ph: (706) 631-3008		Dr Eric Mark Greenfield, DO
850 Gov Carlos G Camacho Rd,
Tamuning, GU 96913-3128

Ph: (671) 988-7814

Reviews and Comments


Emergency Medicine Doctors in Tamuning, GU

Robert Jerome Michaud,
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1270 N Marine Dr Ste 101, Pmb 537, Tamuning, GU 96913
Phone: 619-512-3406    
Angelito G Santos, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 548 S Marine Corps Dr, Tamuning, GU 96913
Phone: 671-646-5825    Fax: 671-646-0556
Dr. Selwyn E. Mahon, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 850 Gov. Carlos Camacho Road, Guam Memorial Hospital Authority, Tamuning, GU 96913
Phone: 671-647-2350    

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.