Doctor profile · Federal record

Dr. Kathi Nagler, PHD

Psychologist (CMS: Clinical Psychologist) · Merrick, NY

  • NPI 1639269327
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
31 Merrick Ave, Suite 110
Merrick, NY 11566
(516) 379-4500
fax (516) 766-5975

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
New York #010128

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639269327. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
927
Distinct HCPCS
2
Medicare allowed
$102,962
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 912 64 $110
90791 Psychiatric diagnostic evaluation 15 15 $192

In context: peer comparison

Among 1 peers in Merrick Psychologist, average services per provider: 463. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathi Nagler's medical specialty?
Dr. Kathi Nagler practices Psychologist in Merrick, NY.
Where does Dr. Kathi Nagler practice?
Dr. Kathi Nagler practices at 31 Merrick Ave, Merrick, NY 11566. Office phone: 5163794500.
What is Dr. Kathi Nagler's NPI?
Dr. Kathi Nagler's National Provider Identifier (NPI) is 1639269327, issued by NPPES.
Does Dr. Kathi Nagler accept Medicare assignment?
Yes. Dr. Kathi Nagler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathi Nagler commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.