Dr Elaine Marie Greifenstein, MD - Medicare Internal Medicine in Lakewood Ranch, FL

Dr Elaine Marie Greifenstein, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Lakewood Ranch, Florida. Her current practice location is 8413 Miramar Way, Lakewood Ranch, Florida. You can reach out to her office (for appointments etc.) via phone at (941) 822-8138.

Dr Elaine Marie Greifenstein is licensed to practice in Florida (license number ME135036) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1740249754.

Contact Information

Dr Elaine Marie Greifenstein, MD
8413 Miramar Way,
Lakewood Ranch, FL 34202-9007
(941) 822-8138
Not Available

Map and Direction




Physician's Profile

Full NameDr Elaine Marie Greifenstein
GenderFemale
SpecialityInternal Medicine - Rheumatology
Location8413 Miramar Way, Lakewood Ranch, Florida
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740249754
  • Provider Enumeration Date: 03/20/2006
  • Last Update Date: 11/05/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8224280615
  • Enrollment ID: I20181024001338

Medical Identifiers

Medical identifiers for Dr Elaine Marie Greifenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740249754NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology ME135036 (Florida)Primary

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 Elaine Marie Greifenstein allows following entities to bill medicare on her behalf.
Entity NameArthritis Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730259201
PECOS PAC ID: 9032154000
Enrollment ID: O20050621001092

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 Elaine Marie Greifenstein 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 Elaine Marie Greifenstein, MD
8413 Miramar Way,
Lakewood Ranch, FL 34202-9007

Ph: (941) 822-8138
Dr Elaine Marie Greifenstein, MD
8413 Miramar Way,
Lakewood Ranch, FL 34202-9007

Ph: (941) 822-8138

Reviews and Comments


Internal Medicine Doctors in Lakewood Ranch, FL

Mr. Arun P Khazanchi, MD
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Practice Location: 11505 Palmbrush Trail, Suite 200, Lakewood Ranch, FL 34202
Phone: 941-334-9040    Fax: 941-334-9030
Dr. Leslie Ethel Schwartz, M.D.
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Practice Location: 11505 Palmbrush Trl Ste 220, Lakewood Ranch, FL 34202
Phone: 941-747-2090    Fax: 941-556-7785
Brunel Teresa Gomez De Tavarez, MD
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Practice Location: 14405 Arbor Green Trl, Lakewood Ranch, FL 34202
Phone: 941-917-7080    Fax: 941-917-7085
Mr. Leo Lin Kao, MD
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Medicare: Medicare Enrolled
Practice Location: 9015 Town Center Pkwy Unit 112, Lakewood Ranch, FL 34202
Phone: 941-224-3786    Fax: 833-914-2734
Melissa Vilar, MD
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Practice Location: 8130 Lakewood Main St Ste 103, Lakewood Ranch, FL 34202
Phone: 941-499-2700    
Martin C Aldrich, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 6310 Health Park Way, Suite 330, Lakewood Ranch, FL 34202
Phone: 941-359-8900    Fax: 941-359-8991
Dr. Kateryna Rusin, M.D
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 14616 State Road 70 E, Lakewood Ranch, FL 34202
Phone: 941-909-7755    Fax: 941-213-6958

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.