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
- 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
- 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
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
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 Washington Medical Physician Assistant, average services per provider: 49. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Mary Olin's medical specialty?
Dr. Mary Olin practices Medical Physician Assistant in Washington, DC.
Where does Dr. Mary Olin practice?
Dr. Mary Olin practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027412350.
What is Dr. Mary Olin's NPI?
Dr. Mary Olin's National Provider Identifier (NPI) is 1841244571, issued by NPPES.
Does Dr. Mary Olin accept Medicare assignment?
Yes. Dr. Mary Olin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Olin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Residence visit for established patient with low level of medical decision making (HCPCS 99348); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.