Dr David Michael Horowitz, MD - Medicare Internal Medicine in Smithtown, NY

Dr David Michael Horowitz, MD is a medicare enrolled "Internal Medicine" physician in Smithtown, New York. He went to New York University Medical College - Nlg and graduated in 1978 and has 46 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 2 Brooksite Drive, Suite 210, Smithtown, New York. You can reach out to his office (for appointments etc.) via phone at (631) 724-4048.

Dr David Michael Horowitz is licensed to practice in New York (license number 142369) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1811901200.

Contact Information

Dr David Michael Horowitz, MD
2 Brooksite Drive, Suite 210,
Smithtown, NY 11787-3492
(631) 724-4048
(631) 780-6899

Map and Direction




Physician's Profile

Full NameDr David Michael Horowitz
GenderMale
SpecialityInternal Medicine
Experience46 Years
Location2 Brooksite Drive, Smithtown, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr David Michael Horowitz attended and graduated from New York University Medical College - Nlg in 1978
  NPI Data:
  • NPI Number: 1811901200
  • Provider Enumeration Date: 07/28/2006
  • Last Update Date: 02/21/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2062458383
  • Enrollment ID: I20110511000004

Medical Identifiers

Medical identifiers for Dr David Michael Horowitz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811901200NPI-NPPES
007735973MedicaidNY
00773597-3MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 142369 (New York)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 David Michael Horowitz allows following entities to bill medicare on his behalf.
Entity NameDavid Michael Horowitz, Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487951968
PECOS PAC ID: 3072799907
Enrollment ID: O20110511000000

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 David Michael Horowitz 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 David Michael Horowitz, MD
2 Brooksite Drive, Suite 210,
Smithtown, NY 11787

Ph: (631) 724-4048
Dr David Michael Horowitz, MD
2 Brooksite Drive, Suite 210,
Smithtown, NY 11787-3492

Ph: (631) 724-4048

Reviews and Comments


Internal Medicine Doctors in Smithtown, NY

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Dr. Nicolae Dragos Bizeta, MD
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Dr. Deborah J. Weiss, M.D.
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Dr. Diana Z Akberzie, MD
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Ranjit Singh, MD
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Practice Location: 14 Yellow Top Ln, Smithtown, NY 11787
Phone: 347-722-2907    Fax: 504-226-0701

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.