Physician Profile
Unclaimed ProfileAbout SIEFKEN
Peter J Siefken, PA is a physician assistant based in Amagansett, NY. Peter is a 1996 graduate of State University of New York at Stony Brook, School of Medicine. Peter is also listed as specializing in physician assistant — medical. Medicare claims data shows Peter provided 666 services to 612 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (631) 267-5373
- Email not available
Practice Locations
518 MONTAUK HWY STE 102
Amagansett, NY 11930
Procedures Most Often Billed to Medicare
666 services · 612 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
18 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
14 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
13 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
355 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
70 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
47 |
| Automated urinalysis test | Lab test | 81003 |
41 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
39 |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
24 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
24 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at State University of New York at Stony Brook, School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1996 at State University of New York at Stony Brook, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Siefken's specialty?
Dr. Siefken is a physician assistant in Amagansett, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Siefken?
Dr. Siefken is listed at 518 MONTAUK HWY STE 102, Amagansett, NY 11930. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Siefken?
The number on file is (631) 267-5373. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Siefken?
Dr. Siefken's National Provider Identifier is 1144347261. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Siefken's medical education?
Dr. Siefken attended State University of New York at Stony Brook, School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Siefken have?
Dr. Siefken has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Siefken known for?
According to Medicare billing data, Dr. Siefken performs imaging including x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Siefken's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Siefken. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.