Doctor profile · Federal record

Dr. Marjorie Simpson, PHD, CRNP

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Westminster, MD

  • NPI 1083686448
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Po Box 973
Westminster, MD 211580973
(410) 218-4786
fax (410) 795-0029
Mailing address
684 Poole RD Ste A
Westminster, MD 211576173

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
October 8, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Maryland #R108131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083686448. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
896
Distinct HCPCS
5
Medicare allowed
$84,615
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 364 292 $67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 275 255 $153
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 118 91 $105
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 81 49 $27
99498 Advance care planning, each additional 30 minutes 58 55 $63

In context: peer comparison

Among 1 peers in Westminster Gerontology Nurse Practitioner, average services per provider: 179. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
69
Patients
0
Total drug cost
$615
Drug Type Claims Patients Total cost
Metoprolol Tartrate Generic 18 0 $136
Gabapentin Generic 14 0 $123
Amlodipine Besylate Generic 13 0 $60
Famotidine Generic 13 0 $99
Levothyroxine Sodium Generic 11 0 $196

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marjorie Simpson's medical specialty?
Dr. Marjorie Simpson practices Gerontology Nurse Practitioner in Westminster, MD.
Where does Dr. Marjorie Simpson practice?
Dr. Marjorie Simpson practices at Po Box 973, Westminster, MD 211580973. Office phone: 4102184786.
What is Dr. Marjorie Simpson's NPI?
Dr. Marjorie Simpson's National Provider Identifier (NPI) is 1083686448, issued by NPPES.
Does Dr. Marjorie Simpson accept Medicare assignment?
Yes. Dr. Marjorie Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marjorie Simpson commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.