Doctor profile · Federal record

Dr. Shannon Mazur, D.O

Psychiatry Physician · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · New Haven, CT

  • NPI 1225491152
  • MIPS 71.7 / 100 · 2023
  • 10 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(203) 688-4242

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
November 22, 2024
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Connecticut #66655 · Massachusetts #267966

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225491152. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
5
Medicare allowed
$21,391
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 54 18 $192
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 26 14 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 14 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 20 $183
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $137

In context: peer comparison

Among 30 peers in New Haven Psychiatry Physician, average services per provider: 58. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
280
Patients
0
Total drug cost
$9,747
Drug Type Claims Patients Total cost
Fluoxetine Hcl Generic 51 0 $1,164
Methylphenidate Hcl Generic 47 0 $1,638
Escitalopram Oxalate Generic 34 0 $1,017
Gabapentin Generic 21 0 $971
Risperidone Generic 20 0 $711
Mirtazapine Generic 17 0 $841
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 15 0 $245
Bupropion Xl (Bupropion Hcl) Brand 14 0 $1,744
Diazepam Generic 13 0 $171
Duloxetine Hcl Generic 12 0 $447

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Mazur's medical specialty?
Dr. Shannon Mazur practices Psychiatry Physician in New Haven, CT.
Where does Dr. Shannon Mazur practice?
Dr. Shannon Mazur practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884242.
What is Dr. Shannon Mazur's NPI?
Dr. Shannon Mazur's National Provider Identifier (NPI) is 1225491152, issued by NPPES.
What procedures does Dr. Shannon Mazur commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.