Diane Kristina Witmer, LCSW - Medicare Clinical Social Worker in East Islip, NY

Diane Kristina Witmer, LCSW is a medicare enrolled "Social Worker - Clinical" provider in East Islip, New York. She graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Clinical Social Worker. She is a member of the group practice Eric Hasemeier Pllc and her current practice location is 56 Marilynn St, East Islip, New York. You can reach out to her office (for appointments etc.) via phone at (631) 338-3913.

Diane Kristina Witmer is licensed to practice in Tennessee (license number 7058) 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 1033771225.

Contact Information

Diane Kristina Witmer, LCSW
56 Marilynn St,
East Islip, NY 11730-2703
(631) 338-3913
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDiane Kristina Witmer
GenderFemale
SpecialityClinical Social Worker
Experience14 Years
Location56 Marilynn St, East Islip, 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:
  • Diane Kristina Witmer graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1033771225
  • Provider Enumeration Date: 07/08/2019
  • Last Update Date: 11/27/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9739419003
  • Enrollment ID: I20190930001683

Medical Identifiers

Medical identifiers for Diane Kristina Witmer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033771225NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 088174 (New York)Secondary
1041C0700XSocial Worker - Clinical 0904011127 (Virginia)Secondary
1041C0700XSocial Worker - Clinical 7058 (Tennessee)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Eric Hasemeier Pllc478968748431

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. Diane Kristina Witmer allows following entities to bill medicare on her behalf.
Entity NameEric Hasemeier Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225141492
PECOS PAC ID: 4789687484
Enrollment ID: O20060818000335

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. Diane Kristina Witmer 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
Diane Kristina Witmer, LCSW
56 Marilynn St,
East Islip, NY 11730-2703

Ph: (631) 338-3913
Diane Kristina Witmer, LCSW
56 Marilynn St,
East Islip, NY 11730-2703

Ph: (631) 338-3913

Reviews and Comments


Social Worker in East Islip, NY

Mrs. Jennifer Lynn Stinson, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 107 W Main St, East Islip, NY 11730
Phone: 631-666-1615    
Mrs. Suzanne Mary Bevis, LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 107 W Main St, East Islip, NY 11730
Phone: 631-666-1615    Fax: 631-666-1709
Mr. John Micheal Moore, LCSW
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Practice Location: 15 Bayview Ave, East Islip, NY 11730
Phone: 631-581-2542    
Mrs. Helene Dellas-dibona, L.C.S.W.-R
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Medicare: Not Enrolled in Medicare
Practice Location: 216 Carleton Avenue, East Islip, NY 11730
Phone: 516-808-2488    
Mary Ozegovich, L.C.S.W.
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Practice Location: 6 Suffolk Ln, East Islip, NY 11730
Phone: 631-921-3558    
Ms. Susan Pilon, LCSW
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Medicare: Not Enrolled in Medicare
Practice Location: 55 Carleton Ave, East Islip, NY 11730
Phone: 631-835-4750    

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.