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Neurosurgery

Arianne J. Boylan, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Arianne J. Boylan, MD is a neurosurgeon at 3201 Kings Hwy, Brooklyn, NY 11234. Phone: (718) 951-9919. Accepts Medicare assignment. In 2024, Arianne J. Boylan had 127 Original Medicare patients and 357 services. NPI 1851566228. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 3201 Kings Hwy, Brooklyn, NY 11234 · Directions
  • Phone: (718) 951‑9919
  • Medicare: Accepts Medicare assignment
  • Hospitals: Mount Sinai Hospital, Mount Sinai West
  • Group practice: Icahn School of Medicine at Mount Sinai
  • Medical school: Yale University School Of Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Arianne J. Boylan, 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 Arianne J. Boylan accept Medicare assignment?
Yes. Medicare's clinician data says Arianne J. Boylan 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 Arianne J. Boylan see?
In 2024, CMS data shows 127 Original Medicare patients and 357 services for Arianne J. Boylan. This counts Original Medicare only and measures volume, not quality.
What is Arianne J. Boylan's NPI number?
1851566228. 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 Arianne J. Boylan, 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 patients127
Services billed to Medicare357
Different services or procedures34
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)68 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)43 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)36 services
  5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)18 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 blood pressure75%
  • High cholesterol75%
  • Arthritis74%
  • Diabetes54%
  • Stroke or mini-stroke46%
  • Ischemic heart disease42%

Hospitals where Arianne J. Boylan works

Medicare's Facility Affiliation Data lists Arianne J. Boylan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
  • Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

Addresses where Arianne J. Boylan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Arianne J. Boylan as a member of this group (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group

Specialties

Find other Neurosurgery doctors in New York →

Other neurosurgeons in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All neurosurgeons in Brooklyn →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1851566228
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians