Andrew Michalak, MD - Medicare Psychiatry & Neurology in Greenwich, CT

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Andrew Michalak, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Greenwich, Connecticut. His current practice location is 5 Perryridge Rd, Greenwich, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 863-3409.

Andrew Michalak is licensed to practice in New York (license number 299793) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1720440985.

Contact Information

Andrew Michalak, MD
5 Perryridge Rd,
Greenwich, CT 06830-4608
(203) 863-3409
Not Available

Map and Direction




Physician's Profile

Full NameAndrew Michalak
GenderMale
SpecialityPsychiatry & Neurology - Neurology
Location5 Perryridge Rd, Greenwich, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720440985
  • Provider Enumeration Date: 03/25/2016
  • Last Update Date: 11/14/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0143514018
  • Enrollment ID: I20230914001375

Medical Identifiers

Medical identifiers for Andrew Michalak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720440985NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 299793 (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. Andrew Michalak allows following entities to bill medicare on his behalf.
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026

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. Andrew Michalak 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
Andrew Michalak, MD
5 Perryridge Rd,
Greenwich, CT 06830-4608

Ph: (203) 863-3409		Andrew Michalak, MD
5 Perryridge Rd,
Greenwich, CT 06830-4608

Ph: (203) 863-3409

Reviews and Comments


Psychiatry & Neurology Doctors in Greenwich, CT

Dr. Ronald Alfred Grant, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 45 E Putnam Ave, Greenwich, CT 06830
Phone: 203-629-3880    Fax: 203-262-6593
James George Katis, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 145 Old Mill Rd, Greenwich, CT 06831
Phone: 203-622-1213    
Lucy D Flynn, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 28 Lafayette Pl, Greenwich, CT 06830
Phone: 203-918-2982    
Linus Abrams, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 4 Dearfield Dr, Greenwich, CT 06831
Phone: 203-861-2654    Fax: 203-869-3142
Dr. William Harrison Koch, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 151 Milbank Ave, Greenwich, CT 06830
Phone: 203-622-0337    Fax: 203-622-1726
Gene Ganz, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 5 Perryridge Rd, Outpatient Psychiatric Services, Greenwich, CT 06830
Phone: 203-863-3300    Fax: 203-863-3446
Dr. Wynn K Jackson, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 2 Benedict Pl, Greenwich, CT 06830
Phone: 203-661-7575    

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).

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