Doctor profile · Federal record

Dr. Stephen Masiar, MD

Psychiatry Physician · Geriatric Psychiatry Physician · Bay Shore, NY

  • NPI 1336105345
  • MIPS 85.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 E Main St
Bay Shore, NY 117068408
(631) 675-4149

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 9, 2007
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
New York #167773
Medicaid
NY #01097814

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336105345. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
4
Medicare allowed
$9,767
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 44 15 $58
99213 Established patient office or other outpatient visit, 20-29 minutes 33 21 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $151
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 17 14 $98

In context: peer comparison

Among 2 peers in Bay Shore Psychiatry Physician, average services per provider: 81. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
122
Patients
0
Total drug cost
$5,372
Drug Type Claims Patients Total cost
Alprazolam Generic 42 0 $869
Clonazepam Generic 17 0 $76
Sertraline Hcl Generic 16 0 $143
Fluvoxamine Maleate Generic 14 0 $784
Alprazolam ER (Alprazolam) Brand 11 0 $251
Atomoxetine Hcl Generic 11 0 $3,123
Buspirone Hcl Generic 11 0 $127

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Masiar's medical specialty?
Dr. Stephen Masiar practices Psychiatry Physician in Bay Shore, NY.
Where does Dr. Stephen Masiar practice?
Dr. Stephen Masiar practices at 301 E Main St, Bay Shore, NY 117068408. Office phone: 6316754149.
What is Dr. Stephen Masiar's NPI?
Dr. Stephen Masiar's National Provider Identifier (NPI) is 1336105345, issued by NPPES.
What procedures does Dr. Stephen Masiar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.