Dr Marcelo Orias, MD - Medicare Nephrology in Stamford, CT

Dr Marcelo Orias, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Stamford, Connecticut. He graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice Yale University and his current practice location is 260 Long Ridge Rd, Stamford, Connecticut. You can reach out to his office (for appointments etc.) via phone at (877) 925-3637.

Dr Marcelo Orias is licensed to practice in Connecticut (license number 32505) 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 1194311977.

Contact Information

Dr Marcelo Orias, MD
260 Long Ridge Rd,
Stamford, CT 06902-1638
(877) 925-3637
Not Available

Map and Direction




Physician's Profile

Full NameDr Marcelo Orias
GenderMale
SpecialityNephrology
Experience37 Years
Location260 Long Ridge Rd, Stamford, 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:
  • Dr Marcelo Orias graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1194311977
  • Provider Enumeration Date: 12/16/2020
  • Last Update Date: 12/16/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4385053115
  • Enrollment ID: I20210507001721

Medical Identifiers

Medical identifiers for Dr Marcelo Orias such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194311977NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology 32505 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Greenwich Hospital Association -Greenwich, CTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yale University94360617362238

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 Marcelo Orias allows following entities to bill medicare on his behalf.
Entity NameYale University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205822236
PECOS PAC ID: 9436061736
Enrollment ID: O20031105000015

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 Marcelo Orias 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 Marcelo Orias, MD
56 Nob Hill Rd,
Cheshire, CT 06410-1708

Ph: (203) 272-7088
Dr Marcelo Orias, MD
260 Long Ridge Rd,
Stamford, CT 06902-1638

Ph: (877) 925-3637

Reviews and Comments


Internal Medicine Doctors in Stamford, CT

Jeanne M Hosinski, M.D.
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Practice Location: 1450 Washington Blvd, Stamford, CT 06902
Phone: 203-327-9321    Fax: 203-967-2140
Dr. Brian Sebastian Wojeck, M.D. M. P.H
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Medicare: Accepting Medicare Assignments
Practice Location: 260 Long Ridge Rd, Stamford, CT 06902
Phone: 203-737-1058    

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.