Dr Sadhis Rivas, MD - Medicare Endocrinology in Brooklyn, NY

Dr Sadhis Rivas, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Brooklyn, New York. She graduated from medical school in 1981 and has 43 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice Northern Medical Group, Pllc and her current practice location is 260 Avenue X, Brooklyn, New York. You can reach out to her office (for appointments etc.) via phone at (718) 336-8855.

Dr Sadhis Rivas is licensed to practice in New York (license number 161375) 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 1659445427.

Contact Information

Dr Sadhis Rivas, MD
260 Avenue X,
Brooklyn, NY 11223-5940
(718) 336-8855
(718) 336-4366

Map and Direction




Physician's Profile

Full NameDr Sadhis Rivas
GenderFemale
SpecialityEndocrinology
Experience43 Years
Location260 Avenue X, Brooklyn, 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:
  • Dr Sadhis Rivas graduated from medical school in 1981
  NPI Data:
  • NPI Number: 1659445427
  • Provider Enumeration Date: 11/20/2006
  • Last Update Date: 11/01/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0840281317
  • Enrollment ID: I20040522000008

Medical Identifiers

Medical identifiers for Dr Sadhis Rivas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659445427NPI-NPPES
01013432MedicaidNY
161375OtherNYNYS LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 161375 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Putnam Hospital CenterCarmel, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northern Medical Group, Pllc690110415742

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 Sadhis Rivas allows following entities to bill medicare on her behalf.
Entity NameMaimonides Faculty Practice Plan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053344846
PECOS PAC ID: 7012808348
Enrollment ID: O20040324000597
Entity NameM2 Medical Community Practice Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114320397
PECOS PAC ID: 3779884499
Enrollment ID: O20151222000362
Entity NameNorthern Medical Group, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174994826
PECOS PAC ID: 6901104157
Enrollment ID: O20160421000442

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 Sadhis Rivas 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 Sadhis Rivas, MD
111 Clock Tower Cmns,
Brewster, NY 10509-4055

Ph: (845) 592-4915
Dr Sadhis Rivas, MD
260 Avenue X,
Brooklyn, NY 11223-5940

Ph: (718) 336-8855

Reviews and Comments


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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.

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