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DR. KARI LYNN WAGNER M.D.
NPI 1124339932
Pediatrics - Neonatal-Perinatal Medicine in Bethesda, MD

Active since June 25, 2010PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 400-2342 Get Directions Write a Review

NPPES record last updated: November 4, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Kari Lynn Wagner M.d. NPPES

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

DR. KARI LYNN WAGNER M.D. (NPI 1124339932) is an individual neonatal-perinatal medicine provider in Bethesda, Maryland, licensed in Maryland (D0081469) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124339932
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. KARI LYNN WAGNERCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address13922 Bauer DrRockville, MD 20853-2759 · (240) 460-5913
Phone(301) 400-2342
Sole ProprietorNo
Enumeration DateJune 25, 2010
Last NPPES UpdateNovember 4, 2016
✔ NPI 1124339932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in MD · D0081469
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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Other Names 1

Former Name (1)Kari Lynn Meersman

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kari Lynn Wagner 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.

Medicare Billing Reassignments

2

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

Johns Hopkins University
1.0 mi
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1578569240 (410) 955-5000
Johns Hopkins University
34 mi
Neonatal-Perinatal Medicine
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 16 clinicians in this Medicare group
NPI 1629732805 (410) 502-2037

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

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.

DR. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery (Vascular Surgery)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810
DR. BRADLEY ALLEN DENGLER M.D.
Neurological Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (610) 223-7261

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 Kari Wagner's NPI number?

The NPI number for Kari Wagner is 1124339932. It was assigned to this individual provider in the NPPES registry on June 25, 2010. The provider is also known as Kari Lynn Meersman.

Where is Kari Wagner located?

Kari Wagner practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 400-2342.

What is Kari Wagner's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Kari Wagner enrolled in Medicare?

Yes. Kari Wagner is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kari Wagner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kari Wagner reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Bethesda, MD) and Johns Hopkins University (Baltimore, 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 Kari Wagner'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 Kari Wagner was last updated on November 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.