Marina J Estrin, MD - Medicare Internal Medicine in Sarasota, FL

Marina J Estrin, MD is a medicare enrolled "Internal Medicine" physician in Sarasota, Florida. She graduated from medical school in 1987 and has 37 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Smh Physician Services Inc and her current practice location is 1515 S Osprey Ave Ste A1, Sarasota, Florida. You can reach out to her office (for appointments etc.) via phone at (941) 917-7197.

Marina J Estrin is licensed to practice in Florida (license number ME152315) 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 1558369389.

Contact Information

Marina J Estrin, MD
1515 S Osprey Ave Ste A1,
Sarasota, FL 34239
(941) 917-7197
Not Available

Map and Direction




Physician's Profile

Full NameMarina J Estrin
GenderFemale
SpecialityInternal Medicine
Experience37 Years
Location1515 S Osprey Ave Ste A1, Sarasota, Florida
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:
  • Marina J Estrin graduated from medical school in 1987
  NPI Data:
  • NPI Number: 1558369389
  • Provider Enumeration Date: 07/14/2005
  • Last Update Date: 09/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7416991138
  • Enrollment ID: I20210921003852

Medical Identifiers

Medical identifiers for Marina J Estrin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558369389NPI-NPPES
3149897MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 79984 (Massachusetts)Secondary
207R00000XInternal Medicine ME152315 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Tidewell Hospice IncSarasota, FLHospice
Sarasota Memorial HospitalSarasota, FLHospital
Pines Of SarasotaSarasota, FLNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Smh Physician Services Inc1355240177601

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. Marina J Estrin allows following entities to bill medicare on her behalf.
Entity NameSmh Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346295292
PECOS PAC ID: 1355240177
Enrollment ID: O20031231000211

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. Marina J Estrin 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
Marina J Estrin, MD
Po Box 863407,
Orlando, FL 32886-3407

Ph: (941) 917-2600
Marina J Estrin, MD
1515 S Osprey Ave Ste A1,
Sarasota, FL 34239

Ph: (941) 917-7197

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.

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.