1. Home
  2. Directory
  3. Virginia
  4. Arlington
  5. Emergency Medicine
  6. NPI Profile

DR. KARLA ISABEL LACAYO M.D.
NPI 1679730535
Emergency Medicine in Arlington, VA

Active since May 19, 2008PECOS Enrolled
1701 N GEORGE MASON DR, ARLINGTON, VA 22205(703) 558-6161 Get Directions Write a Review

NPPES record last updated: May 19, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Karla Isabel Lacayo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KARLA ISABEL LACAYO M.D. (NPI 1679730535) is an individual emergency medicine provider in Arlington, Virginia, licensed in Virginia (0101243646) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679730535
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. KARLA ISABEL LACAYOCredential: M.D.
Location Address1701 N GEORGE MASON DRArlington, VA 22205-3610
Mailing Address4120 Edmunds St Nw, Apt 201Washington, DC 20007-3915 · (202) 531-7889
Phone(703) 558-6161
Sole ProprietorYes
Enumeration DateMay 19, 2008
✔ NPI 1679730535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in VA · 0101243646
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1701 N GEORGE MASON DR, Arlington, VA 22205
Open in Google Maps ↗

Other Names 1

Former Name (1)Karla Isabel Guerra M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karla Isabel Lacayo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
166 services162 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
84 services84 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
56 services56 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTINA WALD RN
Nurse Anesthetist, Certified Registered
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (714) 904-0496
DR. BRIAN CARUTH PHARMD
Pharmacist
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (703) 558-5000
MS. DEBORAH ANNA FISCHETTI CNNP
Nurse Practitioner (Neonatal, Critical Care)
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (703) 558-6675
DR. MUSHFIQUE AHMED MD
Anesthesiology
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (703) 558-2438
MR. DAVID W GLOSE II CSFA
Specialist/Technologist, Other (Surgical Assistant)
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (703) 558-5000
DR. MICHAEL ANDREW COLE M.D.
Internal Medicine (Critical Care Medicine)
1701 N GEORGE MASON DR, INTENSIVE CARE UNIT
ARLINGTON, VA 22205
Arlington County (571) 244-8410
EMALEE BLACK PHARMD
Pharmacist
1701 N GEORGE MASON DR
ARLINGTON, VA 22205
Arlington County (703) 558-5000
EFRAIN A. MARTINEZ CRNA
Nurse Anesthetist, Certified Registered
1701 N GEORGE MASON DR, SUITE 2D
ARLINGTON, VA 22205
Arlington County (703) 558-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karla Lacayo's NPI number?

The NPI number for Karla Lacayo is 1679730535. It was assigned to this individual provider in the NPPES registry on May 19, 2008. The provider is also known as Karla Isabel Guerra M.D..

Where is Karla Lacayo located?

Karla Lacayo practices at 1701 N George Mason Dr, Arlington, VA 22205. The listed phone number is (703) 558-6161.

What is Karla Lacayo's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Karla Lacayo enrolled in Medicare?

Yes. Karla Lacayo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karla Lacayo was last updated on May 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.