PETER J SIEFKEN PA
NPI 1144347261
Physician Assistant - Medical in Amagansett, NY

Active since March 23, 2007PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
518 MONTAUK HWY, STE 102, AMAGANSETT, NY 11930(631) 267-5373(631) 267-5376 Get Directions Write a Review

NPPES record last updated: December 5, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Peter J Siefken Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PETER J SIEFKEN PA (NPI 1144347261) is an individual medical provider in Amagansett, New York, licensed in New York (005732) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1996).

NPPES Registry Identity

NPI1144347261
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NamePETER J SIEFKENCredential: PA
Location Address518 MONTAUK HWY, STE 102Amagansett, NY 11930
Mailing Address57 Hampton Road, Ste 201Southampton, NY 11968 · (631) 283-1126 · Fax (631) 283-7496
Fax(631) 267-5376
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1996
Enumeration DateMarch 23, 2007
Last NPPES UpdateDecember 5, 2016
NPI 1144347261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in NY · 005732
518 MONTAUK HWY, Amagansett, NY 11930

Other Identifiers 3

Medicaid02175175NY
Medicare ID-Type Unspecified4F771NY
Medicare UPINP30664NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Peter J Siefken Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557651015
PECOS Enrollment IDI20160613000885
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
355 services319 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
70 services69 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
47 services47 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
41 services40 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
39 services36 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
24 services24 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant (Medical)
518 MONTAUK HWY, SUITE 102
AMAGANSETT, NY 11930
Rehabilitation Practitioner
518 MONTAUK HWY, SUITE 106
AMAGANSETT, NY 11930
Nurse Practitioner (Adult Health)
518 MONTAUK HWY
AMAGANSETT, NY 11930
Physical Therapist
518 MONTAUK HWY, STE 101
AMAGANSETT, NY 11930
Physical Therapist
518 MONTAUK HWY, STE 101
AMAGANSETT, NY 11930
Internal Medicine
518 MONTAUK HWY, SUITE 102
AMAGANSETT, NY 11930

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Siefken's NPI number?

The NPI number for Peter Siefken is 1144347261. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Peter Siefken located?

Peter Siefken practices at 518 Montauk Hwy Ste 102, Amagansett, NY 11930. The listed phone number is (631) 267-5373.

What is Peter Siefken's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Peter Siefken enrolled in Medicare?

Yes. Peter Siefken is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Peter Siefken was last updated on December 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.