Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Huai L. Phen, MD

Sees patients in Syosset, NY · Massapequa Park, NY · New York

Summary

Dr. Huai L. Phen, MD is an emergency medicine doctor at 103 Jackson Ave, B, Syosset, NY 11791. Phone: (516) 537-9062. Accepts Medicare assignment. In 2024, Huai L. Phen had 462 Original Medicare patients and 886 services. NPI 1881956381. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 103 Jackson Ave, B, Syosset, NY 11791 · Directions (1 more location)
  • Phone: (516) 537‑9062
  • Medicare: Accepts Medicare assignment
  • Group practice: North Shore Lij Urgent Care PC
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Huai L. Phen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Huai L. Phen accept Medicare assignment?
Yes. Medicare's clinician data says Huai L. Phen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Huai L. Phen see?
In 2024, CMS data shows 462 Original Medicare patients and 886 services for Huai L. Phen. This counts Original Medicare only and measures volume, not quality.
What is Huai L. Phen's NPI number?
1881956381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Huai L. Phen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients462
Services billed to Medicare886
Different services or procedures32
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)290 services
  2. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)108 services
  3. Detection test by immunoassay with direct visual observation for influenza virus (87804)73 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)71 services
  5. Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)60 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure68%
  • Arthritis46%
  • Ischemic heart disease36%
  • Anxiety27%
  • Diabetes24%

Practice locations

Addresses where Huai L. Phen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Huai L. Phen as a member of this group (CMS data updated October 2, 2026).

  • North Shore Lij Urgent Care PC390 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All emergency medicine doctors in New York →

Other clinicians in North Shore Lij Urgent Care PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881956381
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians