Doctor profile · Federal record

Dr. Carol Sims, PH.D.

Adult Development & Aging Psychologist (CMS: Clinical Psychologist) · Laytonsville, MD

  • NPI 1043275845
  • Accepts Medicare
  • 43 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21500 Quick Fox Ln
Laytonsville, MD 208821340
(301) 721-8278
fax (301) 990-6011

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
September 24, 2019
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
103TA0700X — NUCC code
State license (1)
Maryland #01959
Medicaid
MD #049451800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043275845. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
849
Distinct HCPCS
3
Medicare allowed
$91,181
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 747 68 $100
90837 Psychotherapy, 1 hour 57 25 $147
90791 Psychiatric diagnostic evaluation 45 44 $175

In context: peer comparison

Among 1 peers in Laytonsville Adult Development & Aging Psychologist, average services per provider: 283. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Carol Sims's medical specialty?
Dr. Carol Sims practices Adult Development & Aging Psychologist in Laytonsville, MD.
Where does Dr. Carol Sims practice?
Dr. Carol Sims practices at 21500 Quick Fox Ln, Laytonsville, MD 208821340. Office phone: 3017218278.
What is Dr. Carol Sims's NPI?
Dr. Carol Sims's National Provider Identifier (NPI) is 1043275845, issued by NPPES.
Does Dr. Carol Sims accept Medicare assignment?
Yes. Dr. Carol Sims accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carol Sims commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.