Provider Profile
Allyson M. Kornahrens, FNP
Unclaimed ProfileAbout Allyson Kornahrens
Allyson M. Kornahrens, FNP is a nurse practitioner practicing in Smithtown, NY. Allyson is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Allyson cared for 453 Medicare patients across 571 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, hospital discharge day management, more than 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. This provider record is associated with NPI 1427573138.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (631) 418-8069
- Email not available
Practice Locations
267 E MAIN ST
Smithtown, NY 11787
600 Old Country Rd
Garden City, NY 11530
Procedures Most Often Billed to Medicare
571 services · 453 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
322 | More than most peers in Nurse Practitioner |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
138 | More than most peers in Nurse Practitioner |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
111 | More often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 24 related providers in 3 groups
Other nurse practitioners in Smithtown 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Allyson M. Kornahrens?
Allyson M. Kornahrens is a nurse practitioner in Smithtown, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Allyson M. Kornahrens's address?
Allyson M. Kornahrens is listed at 267 E Main St, Smithtown, NY 11787. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Allyson M. Kornahrens?
The number on file is (631) 418-8069. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Allyson M. Kornahrens's NPI number?
Allyson M. Kornahrens's National Provider Identifier is 1427573138. 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
Where did Allyson M. Kornahrens train?
Allyson M. Kornahrens attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Allyson M. Kornahrens been practicing?
Allyson M. Kornahrens has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Allyson M. Kornahrens perform?
According to Medicare billing data, Allyson M. Kornahrens the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Allyson M. Kornahrens confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Allyson M. Kornahrens. If this is you, claiming it is free.
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