Doctor profile · Federal record

Dr. Heidy Merius, N.P.

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Smithtown, NY

  • NPI 1881074615
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
240 Middle Country RD, Suite A
Smithtown, NY 11787
(631) 444-2500
Mailing address
Po Box 1559
Stony Brook, NY 117900989

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
September 30, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
New York #308871 · New York #649705-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881074615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
3
Medicare allowed
$36,095
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 168 114 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 46 32 $179
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $168

In context: peer comparison

Among 4 peers in this city , average services per provider: 46. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,943
Transactions
11
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Avadel CNS Pharmaceuticals, LLC 10 $3,930.03
GENZYME CORPORATION 1 $13.45

By nature of payment

Consulting Fee
$2,000
Travel and Lodging
$1,391
Food and Beverage
$553

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
0
Total drug cost
$4,817
Drug Type Claims Patients Total cost
Gabapentin Generic 27 0 $244
Modafinil Generic 24 0 $3,871
Clonazepam Generic 16 0 $375
Tramadol Hcl Generic 12 0 $25
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 11 0 $302

Frequently asked questions

Auto-generated from federal data
What is Dr. Heidy Merius's medical specialty?
Dr. Heidy Merius practices Adult Health Nurse Practitioner in Smithtown, NY.
Where does Dr. Heidy Merius practice?
Dr. Heidy Merius practices at 240 Middle Country RD, Smithtown, NY 11787. Office phone: 6314442500.
What is Dr. Heidy Merius's NPI?
Dr. Heidy Merius's National Provider Identifier (NPI) is 1881074615, issued by NPPES.
Does Dr. Heidy Merius accept Medicare assignment?
Yes. Dr. Heidy Merius accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidy Merius commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.