Doctor profile · Federal record

Dr. Aniyizhai Annamalai, M.D.

Psychiatry Physician (CMS: Internal Medicine) · Internal Medicine Physician · New Haven, CT

  • NPI 1871714188
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
34 Park St
New Haven, CT 06519
(203) 974-7497
fax (203) 974-7322
Additional location
789 Howard Ave
New Haven, CT 065191304
(203) 688-5555
Mailing address
Po Box 7720, Credentialing Specialist
New Haven, CT 065190720

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 21, 2018
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Connecticut #046853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871714188. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21
Distinct HCPCS
1
Medicare allowed
$2,132
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 21 17 $102

In context: peer comparison

Among 30 peers in this city , average services per provider: 58. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,373
Patients
162
Total drug cost
$40,726
Drug Type Claims Patients Total cost
Benztropine Mesylate Generic 155 20 $1,930
Metformin Hcl Generic 135 28 $1,082
Atorvastatin Calcium Generic 134 36 $3,022
Amlodipine Besylate Generic 129 31 $1,585
Sertraline Hcl Generic 100 0 $731
Clozapine Generic 99 0 $12,345
Lisinopril Generic 89 19 $925
Pantoprazole Sodium Generic 72 13 $1,172
Risperidone Generic 72 0 $920
Levothyroxine Sodium Generic 70 15 $1,098

Frequently asked questions

Auto-generated from federal data
What is Dr. Aniyizhai Annamalai's medical specialty?
Dr. Aniyizhai Annamalai practices Psychiatry Physician in New Haven, CT.
Where does Dr. Aniyizhai Annamalai practice?
Dr. Aniyizhai Annamalai practices at 34 Park St, New Haven, CT 06519. Office phone: 2039747497.
What is Dr. Aniyizhai Annamalai's NPI?
Dr. Aniyizhai Annamalai's National Provider Identifier (NPI) is 1871714188, issued by NPPES.
Does Dr. Aniyizhai Annamalai accept Medicare assignment?
Yes. Dr. Aniyizhai Annamalai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aniyizhai Annamalai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.