Doctor profile · Federal record

Dr. Andrew Michalak, M.D.

Neurology Physician (CMS: Neurology) · Greenwich, CT

  • NPI 1720440985
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Perryridge RD
Greenwich, CT 068304608
(203) 863-3409

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
November 14, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
New York #299793

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720440985. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
41
Distinct HCPCS
1
Medicare allowed
$9,382
HCPCS Description Services Patients Avg allowed
95720 Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 41 29 $229

In context: peer comparison

Among 3 peers in Greenwich Neurology Physician, average services per provider: 92. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$178
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Neuropace, INC. 1 $177.76

By nature of payment

Food and Beverage
$178

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Michalak's medical specialty?
Dr. Andrew Michalak practices Neurology Physician in Greenwich, CT.
Where does Dr. Andrew Michalak practice?
Dr. Andrew Michalak practices at 5 Perryridge RD, Greenwich, CT 068304608. Office phone: 2038633409.
What is Dr. Andrew Michalak's NPI?
Dr. Andrew Michalak's National Provider Identifier (NPI) is 1720440985, issued by NPPES.
Does Dr. Andrew Michalak accept Medicare assignment?
Yes. Dr. Andrew Michalak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Michalak commonly perform?
Top Medicare-reported procedures in 2023: Measurement of brain wave activity with video (veeg) (HCPCS 95720). Source: CMS Medicare Physician & Other Practitioners file.