Mary Kristine Ellis, MD - Medicare Family Practice in Oceanside, NY

Mary Kristine Ellis, MD is a medicare enrolled "Family Medicine" physician in Oceanside, New York. She graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Family Practice. She is a member of the group practice Mount Sinai School Of Medicine and her current practice location is 196 Merrick Rd, Oceanside, New York. You can reach out to her office (for appointments etc.) via phone at (516) 255-8400.

Mary Kristine Ellis is licensed to practice in New York (license number 277569) 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 1134447329.

Contact Information

Mary Kristine Ellis, MD
196 Merrick Rd,
Oceanside, NY 11572-1420
(516) 255-8400
Not Available



Physician's Profile

Full NameMary Kristine Ellis
GenderFemale
SpecialityFamily Practice
Experience15 Years
Location196 Merrick Rd, Oceanside, New York
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:
  • Mary Kristine Ellis graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1134447329
  • Provider Enumeration Date: 05/12/2010
  • Last Update Date: 12/06/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4880838721
  • Enrollment ID: I20150422001580

Medical Identifiers

Medical identifiers for Mary Kristine Ellis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134447329NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine ME116438 (Florida)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207Q00000XFamily Medicine 277569 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mount Sinai South NassauOceanside, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mount Sinai School Of Medicine6406096544154

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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. Mary Kristine Ellis allows following entities to bill medicare on her behalf.
Entity NameWyckoff Professional Medical Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659710796
PECOS PAC ID: 6406748607
Enrollment ID: O20040324001805

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Entity NameNyu Langone Hospitals
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790975944
PECOS PAC ID: 4981515699
Enrollment ID: O20050721000058

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Entity NameCity Medical Of Upper East Side Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801277629
PECOS PAC ID: 0648465039
Enrollment ID: O20101111000052

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Entity NameIcahn School Of Medicine At Mount Sinai
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609120674
PECOS PAC ID: 8224282926
Enrollment ID: O20130205000439

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Entity NameMount Sinai School Of Medicine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508127531
PECOS PAC ID: 6406096544
Enrollment ID: O20130712000368

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Entity NameUnion Medical Care Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184066698
PECOS PAC ID: 6204067895
Enrollment ID: O20140325000067

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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. Mary Kristine Ellis 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
Mary Kristine Ellis, MD
1 Healthy Way,
Oceanside, NY 11572-1551

Ph: (516) 255-8400
Mary Kristine Ellis, MD
196 Merrick Rd,
Oceanside, NY 11572-1420

Ph: (516) 255-8400

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Family Medicine Doctors in Oceanside, NY

Kenya Crafton, FNP-BC
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Healthy Way, Oceanside, NY 11572
Phone: 516-632-3000    
Dr. Zeeshan Alam Khan, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 196 Merrick Rd, Oceanside, NY 11572
Phone: 516-255-8400    
Dr. Lillian Carolina, MD
Family Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 1 Healthy Way, Oceanside, NY 11572
Phone: 516-255-8400    
Jamil Uddin Ahmed, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1 Healthy Way, Oceanside, NY 11572
Phone: 516-632-3666    
Dr. Shara Rebecca Feltheimer, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Healthy Way, Oceanside, NY 11572
Phone: 516-632-3000    
Malcolm Forbes, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1 Healthy Way, Oceanside, NY 11572
Phone: 516-255-8414    

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