Doctor profile · Federal record

Dr. MARY OLIN, PHYSICIAN ASSISTANT

Medical Physician Assistant (CMS: PHYSICIAN ASSISTANT) · WASHINGTON, DC

  • NPI 1841244571
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 200373201
(202) 741-2350
fax (202) 741-2791
Mailing address
7221 PANORAMA DR
DERWOOD, MD 208551940

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
District of Columbia #DCPA215

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841244571. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
155
Distinct HCPCS
6
Medicare allowed
$16,075
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 58 50 $123
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 23 21 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $88
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 21 17 $42
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 19 17 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 13 12 $173

In context: peer comparison

Among 26 peers in this city , average services per provider: 49. This provider delivers 3.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
759
Patients
207
Total drug cost
$51,093
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 114 40 $1,460
Atorvastatin Calcium Generic 114 39 $1,840
Levothyroxine Sodium Generic 69 17 $1,014
Lisinopril Generic 55 14 $661
Losartan Potassium Generic 49 15 $873
Metoprolol Succinate Generic 45 17 $968
Famotidine Generic 43 0 $826
Trazodone Hcl Generic 41 12 $668
Gabapentin Generic 36 13 $925
Quetiapine Fumarate Generic 36 0 $1,294

Hospital affiliations

CMS Hospital Compare