Doctor profile · Federal record

Dr. Margaret Postlewaite, PHD

Clinical Psychologist · White Plains, NY

  • NPI 1316995772
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16 Byron Ave
White Plains, NY 106063443
(914) 428-4245

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #5107

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316995772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
248
Distinct HCPCS
1
Medicare allowed
$27,232
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 248 16 $110

In context: peer comparison

Among 5 peers in this city , average services per provider: 509. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Postlewaite's medical specialty?
Dr. Margaret Postlewaite practices Clinical Psychologist in White Plains, NY.
Where does Dr. Margaret Postlewaite practice?
Dr. Margaret Postlewaite practices at 16 Byron Ave, White Plains, NY 106063443. Office phone: 9144284245.
What is Dr. Margaret Postlewaite's NPI?
Dr. Margaret Postlewaite's National Provider Identifier (NPI) is 1316995772, issued by NPPES.
What procedures does Dr. Margaret Postlewaite commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.