Doctor profile · Federal record

Dr. Karla Lacayo, M.D.

Emergency Medicine Physician · Arlington, VA

  • NPI 1679730535
  • 18 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1701 N George Mason Dr
Arlington, VA 222053610
(703) 558-6161
Mailing address
4120 Edmunds St Nw, Apt 201
Washington, DC 200073915

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Virginia #0101243646

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679730535. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
387
Distinct HCPCS
4
Medicare allowed
$62,065
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 181 171 $171
99284 Emergency department visit with moderate level of medical decision making 109 107 $118
99291 Critical care, first 30-74 minutes 84 84 $207
99283 Emergency department visit with low level of medical decision making 13 13 $71

In context: peer comparison

Among 10 peers in Arlington Emergency Medicine Physician, average services per provider: 83. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
35
Total drug cost
$144
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 24 23 $69
Cephalexin Generic 12 12 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Karla Lacayo's medical specialty?
Dr. Karla Lacayo practices Emergency Medicine Physician in Arlington, VA.
Where does Dr. Karla Lacayo practice?
Dr. Karla Lacayo practices at 1701 N George Mason Dr, Arlington, VA 222053610. Office phone: 7035586161.
What is Dr. Karla Lacayo's NPI?
Dr. Karla Lacayo's National Provider Identifier (NPI) is 1679730535, issued by NPPES.
What procedures does Dr. Karla Lacayo 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.