Doctor profile · Federal record
Dr. Patricia van Leer, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Columbia, MD
- NPI 1801033204
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5575 Cedar Ln, Department of Emergency Medicine
Columbia, MD 210442741
(410) 740-7777
Credentials & registration
- NPI registered
- January 2009 — 17 yrs on file
- Profile last updated
- March 25, 2016
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Maryland #D0079471
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801033204. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
657
Distinct HCPCS
4
Medicare allowed
$94,169
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 271 | 249 | $118 | |
99285 |
Emergency department visit with high level of medical decision making | 189 | 179 | $173 | |
99291 |
Critical care, first 30-74 minutes | 115 | 110 | $206 | |
99283 |
Emergency department visit with low level of medical decision making | 82 | 81 | $70 |
In context: peer comparison
Among 11 peers in Columbia Emergency Medicine Physician, average services per provider: 126. This provider delivers 5.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
203
Patients
189
Total drug cost
$1,153
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 41 | 41 | $104 |
| Azithromycin | Generic | 40 | 40 | $175 |
| Cephalexin | Generic | 35 | 34 | $239 |
| Prednisone | Generic | 28 | 27 | $76 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 20 | 20 | $202 |
| Clindamycin Hcl | Generic | 15 | 15 | $136 |
| Doxycycline Hyclate | Generic | 13 | 12 | $123 |
| Methylprednisolone | Generic | 11 | 0 | $98 |
Frequently asked questions
What is Dr. Patricia van Leer's medical specialty?
Dr. Patricia van Leer practices Emergency Medicine Physician in Columbia, MD.
Where does Dr. Patricia van Leer practice?
Dr. Patricia van Leer practices at 5575 Cedar Ln, Columbia, MD 210442741. Office phone: 4107407777.
What is Dr. Patricia van Leer's NPI?
Dr. Patricia van Leer's National Provider Identifier (NPI) is 1801033204, issued by NPPES.
Does Dr. Patricia van Leer accept Medicare assignment?
Yes. Dr. Patricia van Leer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia van Leer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.