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Dermatology

Jacqueline S. Fern, MD

Sees patients in Port Jefferson Station, NY · Holbrook, NY · New York

Summary

Dr. Jacqueline S. Fern, MD is a dermatologist at 2 Medical Dr A, Port Jefferson Station, NY 11776. Phone: (631) 928-1555. Accepts Medicare assignment. In 2024, Jacqueline S. Fern had 582 Original Medicare patients and 1,974 services. NPI 1235114752. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 2 Medical Dr A, Port Jefferson Station, NY 11776 · Directions (1 more location)
  • Phone: (631) 928‑1555
  • Medicare: Accepts Medicare assignment
  • Group practice: Winston Dermatology Associates, PC
  • Medical school: New York University School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jacqueline S. Fern, 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 Jacqueline S. Fern accept Medicare assignment?
Yes. Medicare's clinician data says Jacqueline S. Fern 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 Jacqueline S. Fern see?
In 2024, CMS data shows 582 Original Medicare patients and 1,974 services for Jacqueline S. Fern. This counts Original Medicare only and measures volume, not quality.
What is Jacqueline S. Fern's NPI number?
1235114752. 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 Jacqueline S. Fern, 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 patients582
Services billed to Medicare1,974
Different services or procedures27
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Destruction of precancer skin growth, 2-14 growths (17003)610 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)568 services
  3. Destruction of precancer skin growth, 1 growth (17000)332 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)132 services
  5. Biopsy of related skin growth, first growth (11102)98 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 pressure73%
  • Arthritis50%
  • Diabetes28%
  • Ischemic heart disease27%
  • Osteoporosis23%

Practice locations

Addresses where Jacqueline S. Fern is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jacqueline S. Fern as a member of this group (CMS data updated October 2, 2026).

  • Winston Dermatology Associates, PC2 clinicians in the group

Specialties

Find other Dermatology doctors in New York →

Other dermatologists in Port Jefferson Station

Clinicians with the same Medicare primary specialty in Port Jefferson Station, NY — not a recommendation.

All dermatologists in Port Jefferson Station →

Other clinicians in Winston Dermatology Associates, PC

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235114752
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