Doctor profile · Federal record

Dr. Elizabeth Parker-O'Brien, MSW

Clinical Social Worker · Easton, MD

  • NPI 1679558910
  • 21 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7656 Woodland Dr
Easton, MD 216018140
(410) 443-1039

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 22, 2017
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Maryland #13193
Medicaid
MA #1857282

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679558910. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
763
Distinct HCPCS
4
Medicare allowed
$84,367
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 565 70 $110
90791 Psychiatric diagnostic evaluation 130 115 $131
90834 Psychotherapy, 45 minutes 44 21 $75
90846 Family psychotherapy without patient, 50 minutes 24 22 $72

In context: peer comparison

Among 7 peers in Easton Clinical Social Worker, average services per provider: 152. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Parker-O'Brien's medical specialty?
Dr. Elizabeth Parker-O'Brien practices Clinical Social Worker in Easton, MD.
Where does Dr. Elizabeth Parker-O'Brien practice?
Dr. Elizabeth Parker-O'Brien practices at 7656 Woodland Dr, Easton, MD 216018140. Office phone: 4104431039.
What is Dr. Elizabeth Parker-O'Brien's NPI?
Dr. Elizabeth Parker-O'Brien's National Provider Identifier (NPI) is 1679558910, issued by NPPES.
What procedures does Dr. Elizabeth Parker-O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.