Doctor profile · Federal record

Dr. Ramaswamy Kavitha Perumparaichallai, PH.D.

Clinical Neuropsychologist (CMS: Clinical Psychologist) · Phoenix, AZ

  • NPI 1851689376
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2400 N Central Ave Ste 204
Phoenix, AZ 850041341
(623) 295-9119
fax (888) 819-1123
Mailing address
530 E McDowell RD Ste 107-427
Phoenix, AZ 850041549

Credentials & registration

NPPES · NUCC
NPI registered
July 2011 — 15 yrs on file
Profile last updated
August 18, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
103G00000X — NUCC code
State license (1)
Arizona #4203
Medicaid
AZ #651365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851689376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
222
Distinct HCPCS
5
Medicare allowed
$18,311
HCPCS Description Services Patients Avg allowed
96133 Evaluation of neuropsychological test, each additional hour 78 15 $96
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 76 15 $38
90837 Psychotherapy, 1 hour 38 11 $143
96132 Evaluation of neuropsychological test, first hour 15 15 $126
96136 Administration of psychological or neuropsychological test, first 30 minutes 15 15 $41

In context: peer comparison

Among 10 peers in Phoenix Clinical Neuropsychologist, average services per provider: 109. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramaswamy Kavitha Perumparaichallai's medical specialty?
Dr. Ramaswamy Kavitha Perumparaichallai practices Clinical Neuropsychologist in Phoenix, AZ.
Where does Dr. Ramaswamy Kavitha Perumparaichallai practice?
Dr. Ramaswamy Kavitha Perumparaichallai practices at 2400 N Central Ave Ste 204, Phoenix, AZ 850041341. Office phone: 6232959119.
What is Dr. Ramaswamy Kavitha Perumparaichallai's NPI?
Dr. Ramaswamy Kavitha Perumparaichallai's National Provider Identifier (NPI) is 1851689376, issued by NPPES.
Does Dr. Ramaswamy Kavitha Perumparaichallai accept Medicare assignment?
Yes. Dr. Ramaswamy Kavitha Perumparaichallai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramaswamy Kavitha Perumparaichallai commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of neuropsychological test, each additional hour (HCPCS 96133); Administration of psychological or neuropsychological test (HCPCS 96137); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.