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KARLEIGH MARIE MEZEIVTCH
NPI 1285211888
Pediatrics in Washington, DC

Active since March 28, 2021PECOS Enrolled
4200 WISCONSIN AVE NW STE 4, WASHINGTON, DC 20016(202) 243-3400(202) 243-3234 Get Directions Write a Review

NPPES record last updated: March 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2024, Mar 28, 2021 (2 updates tracked since 2021).

About Karleigh Marie Mezeivtch NPPES

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

KARLEIGH MARIE MEZEIVTCH (NPI 1285211888) is an individual pediatrics provider in Washington, District Of Columbia, licensed in Maryland (D0099643) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285211888
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKARLEIGH MARIE MEZEIVTCH
Location Address4200 WISCONSIN AVE NW STE 4Washington, DC 20016-2143
Mailing Address4200 Wisconsin Ave Nw Ste 4Washington, DC 20016-2143 · (202) 243-3400 · Fax (202) 243-3234
Phone(202) 243-3400
Fax(202) 243-3234
Sole ProprietorNo
Enumeration DateMarch 28, 2021
Last NPPES UpdateMarch 6, 20242 updates tracked since enumeration
NPPES CertifiedMarch 6, 2024
✔ NPI 1285211888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MD · D0099643
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4200 WISCONSIN AVE NW STE 4, Washington, DC 20016
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karleigh Marie Mezeivtch 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Karleigh Mezeivtch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Luminis Health Medical Group, LLC
6.8 mi
Clinic/Center
2970 BELCREST CENTER DR
Hyattsville, MD 20782
  • Reassigned Medicare billing, Maryland enrollment
  • 794 clinicians in this Medicare group
NPI 1811494990 (443) 481-1000
Doctors Emergency Service, PA
29 mi
Emergency Medicine
2001 MEDICAL PKWY
Annapolis, MD 21401
  • Reassigned Medicare billing, Maryland enrollment
  • 60 clinicians in this Medicare group
NPI 1528171840 (443) 481-1366

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20016 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.

TIFFANI ERICKSON MD
Obstetrics & Gynecology
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 295-0544
THUY NGUYEN M.D.
Psychiatry & Neurology (Epilepsy)
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
JESSICA FORMAN
Student in an Organized Health Care Education/Training Program
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
DR. CHARALAMPOS MYSTAKELIS MD
Pediatrics
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
CLEOPHINA C RAYMOND MD
Student in an Organized Health Care Education/Training Program
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
AMY BRENNER CORSO NP
Nurse Practitioner (Pediatrics)
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
GARGI SURESH KAKANI MBBS, MPH
Pediatrics
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400
DR. SARAH R MAGAZINER MD
Pediatrics
4200 WISCONSIN AVE NW STE 4
WASHINGTON, DC 20016
District of Columbia (202) 243-3400

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 Karleigh Mezeivtch's NPI number?

The NPI number for Karleigh Mezeivtch is 1285211888. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Karleigh Mezeivtch located?

Karleigh Mezeivtch practices at 4200 Wisconsin Ave NW Ste 4, Washington, DC 20016. The listed phone number is (202) 243-3400.

What is Karleigh Mezeivtch's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Karleigh Mezeivtch enrolled in Medicare?

Yes. Karleigh Mezeivtch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karleigh Mezeivtch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karleigh Mezeivtch reassigns Medicare benefits to 2 organizations: Luminis Health Medical Group, LLC (Hyattsville, MD) and Doctors Emergency Service, PA (Annapolis, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karleigh Mezeivtch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karleigh Mezeivtch was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.