Peter J Siefken, PA - Medicare Physician Assistant in Amagansett, NY

Peter J Siefken, PA is a medicare enrolled "Physician Assistant - Medical" in Amagansett, New York. He went to State University Of New York At Stony Brook, School Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Peconic Bay Primary Medical Care Pc and his current practice location is 518 Montauk Hwy, Ste 102, Amagansett, New York. You can reach out to his office (for appointments etc.) via phone at (631) 267-5373.

Peter J Siefken is licensed to practice in New York (license number 005732) 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 1144347261.

Contact Information

Peter J Siefken, PA
518 Montauk Hwy, Ste 102,
Amagansett, NY 11930
(631) 267-5373
(631) 267-5376

Map and Direction




Provider's Profile

Full NamePeter J Siefken
GenderMale
SpecialityPhysician Assistant
Experience28 Years
Location518 Montauk Hwy, Amagansett, 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:
  • Peter J Siefken attended and graduated from State University Of New York At Stony Brook, School Of Medicine in 1996
  NPI Data:
  • NPI Number: 1144347261
  • Provider Enumeration Date: 03/23/2007
  • Last Update Date: 12/05/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 1557651015
  • Enrollment ID: I20160613000885

Medical Identifiers

Medical identifiers for Peter J Siefken such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144347261NPI-NPPES
02175175MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AM0700XPhysician Assistant - Medical 005732 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Peconic Bay Primary Medical Care Pc711381760272

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. Peter J Siefken 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
Peter J Siefken, PA
57 Hampton Road, Ste 201,
Southampton, NY 11968

Ph: (631) 283-1126
Peter J Siefken, PA
518 Montauk Hwy, Ste 102,
Amagansett, NY 11930

Ph: (631) 267-5373

Reviews and Comments


Physician Assistant Nurses in Amagansett, NY

Mr. Eugene Mark Connolly, RPA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 518 Montauk Hwy, Suite 102, Amagansett, NY 11930
Phone: 631-267-5373    Fax: 631-267-5376

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.