Doctor profile · Federal record

Dr. Ayelet Hilewitz, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · New Hyde Park, NY

  • NPI 1811263098
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
410 Lakeville RD Ste 107
New Hyde Park, NY 110421102
(516) 465-5400
Additional location
100 E 77Th St
New York, NY 100751850
(212) 434-2000

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
August 8, 2019
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
New York #284294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811263098. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
241
Distinct HCPCS
3
Medicare allowed
$51,057
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 148 65 $249
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 69 39 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $200

In context: peer comparison

Among 10 peers in New Hyde Park Critical Care Medicine (Internal Medicine) Physician, average services per provider: 82. This provider delivers 2.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ayelet Hilewitz's medical specialty?
Dr. Ayelet Hilewitz practices Critical Care Medicine (Internal Medicine) Physician in New Hyde Park, NY.
Where does Dr. Ayelet Hilewitz practice?
Dr. Ayelet Hilewitz practices at 410 Lakeville RD Ste 107, New Hyde Park, NY 110421102. Office phone: 5164655400.
What is Dr. Ayelet Hilewitz's NPI?
Dr. Ayelet Hilewitz's National Provider Identifier (NPI) is 1811263098, issued by NPPES.
Does Dr. Ayelet Hilewitz accept Medicare assignment?
Yes. Dr. Ayelet Hilewitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ayelet Hilewitz commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.