Doctor profile · Federal record

Dr. Ellen Lemkin, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Baltimore, MD

  • NPI 1659416576
  • MIPS 74.4 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4940 Eastern Ave
Baltimore, MD 212242735
(410) 550-7852
fax (410) 550-0178
Mailing address
110 S Paca St, Emergency Medicine, 6Th Floor
Baltimore, MD 212011642

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
October 9, 2017
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #D67207

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659416576. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
343
Distinct HCPCS
3
Medicare allowed
$59,429
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 204 200 $187
99284 Emergency department visit with moderate level of medical decision making 103 103 $127
99291 Critical care, first 30-74 minutes 36 36 $227

In context: peer comparison

Among 176 peers in Baltimore Emergency Medicine Physician, average services per provider: 92. This provider delivers 3.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Lemkin's medical specialty?
Dr. Ellen Lemkin practices Emergency Medicine Physician in Baltimore, MD.
Where does Dr. Ellen Lemkin practice?
Dr. Ellen Lemkin practices at 4940 Eastern Ave, Baltimore, MD 212242735. Office phone: 4105507852.
What is Dr. Ellen Lemkin's NPI?
Dr. Ellen Lemkin's National Provider Identifier (NPI) is 1659416576, issued by NPPES.
Does Dr. Ellen Lemkin accept Medicare assignment?
Dr. Ellen Lemkin does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ellen Lemkin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.