Oana Elena Zaha, - Medicare Rheumatology in North Haven, CT

Oana Elena Zaha, is a medicare enrolled "Internal Medicine - Rheumatology" physician in North Haven, Connecticut. She graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Yale University and her current practice location is 6 Devine St Fl 2, North Haven, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 287-6200.

Oana Elena Zaha is licensed to practice in Connecticut (license number 54441) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1811201494.

Contact Information

Oana Elena Zaha,
6 Devine St Fl 2,
North Haven, CT 06473-2195
(203) 287-6200
Not Available

Map and Direction




Physician's Profile

Full NameOana Elena Zaha
GenderFemale
SpecialityRheumatology
Experience20 Years
Location6 Devine St Fl 2, North Haven, Connecticut
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Oana Elena Zaha graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1811201494
  • Provider Enumeration Date: 08/05/2010
  • Last Update Date: 07/29/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4082885207
  • Enrollment ID: I20150928001808

Medical Identifiers

Medical identifiers for Oana Elena Zaha such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811201494NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 54441 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yale-new Haven HospitalNew haven, CTHospital
Greenwich Hospital Association -Greenwich, CTHospital
Bridgeport HospitalBridgeport, 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. Oana Elena Zaha allows following entities to bill medicare on her 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. Oana Elena Zaha 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
Oana Elena Zaha,
245 Unquowa Rd Apt 18,
Fairfield, CT 06824-5021

Ph: (551) 200-1254
Oana Elena Zaha,
6 Devine St Fl 2,
North Haven, CT 06473-2195

Ph: (203) 287-6200

Reviews and Comments


Internal Medicine Doctors in North Haven, CT

Dr. Vincent Dicola, MD, FACC, NASPE
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Devine Street, Suite #1, North Haven, CT 06473
Phone: 203-789-2272    Fax: 203-865-8614
Dr. Georgia Ann Kelley, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Broadway, North Haven, CT 06473
Phone: 203-234-1891    Fax: 203-234-2678
Dr. Lorenzo Salvatore Galante, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Broadway, North Haven, CT 06473
Phone: 203-234-6500    Fax: 203-234-6503
Dr. Ivan Stephen Lowenthal, M.D.
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 6 Devine St Ste 2c, North Haven, CT 06473
Phone: 203-407-8002    
Dr. Dianne Jean Defusco, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Broadway, North Haven, CT 06473
Phone: 203-234-6500    Fax: 203-234-6503
Dr. Eric Grubman, MD, FACC, NASPE
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2 Devine Street, Suite # 1, North Haven, CT 06473
Phone: 203-789-2272    Fax: 203-865-8614
Parvati Singh, MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 8 Devine St, North Haven, CT 06473
Phone: 203-287-3550    

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).

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