MEGAN VYLONIS D.O.
NPI 1528417235
Anesthesiology in Waukesha, WI

Active since June 03, 2016PECOS EnrolledAccepts Medicare Assignment
725 AMERICAN AVE, WAUKESHA, WI 53188(262) 544-2011 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Megan Vylonis D.o. NPPES

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

MEGAN VYLONIS D.O. (NPI 1528417235) is an individual anesthesiology provider in Waukesha, Wisconsin, licensed in Wisconsin (81428-21) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1528417235
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameMEGAN VYLONISCredential: D.O.
Location Address725 AMERICAN AVEWaukesha, WI 53188-5099
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 3, 2016
Last NPPES UpdateJuly 23, 2025
NPPES CertifiedJuly 23, 2025
✔ NPI 1528417235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 81428-21
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
725 AMERICAN AVE, Waukesha, WI 53188

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Megan Vylonis D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800265398
PECOS Enrollment IDI20250821003208
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 Reassignment

Medicare enrollment records show Megan Vylonis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Anesthesiology
725 AMERICAN AVE
Waukesha, WI 53188
  • Reassigned Medicare billing, Wisconsin enrollment
  • 45 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520062
Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County
Emergency services Birthing friendly

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.

Social Worker (Clinical)
725 AMERICAN AVE
WAUKESHA, WI 53188
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Obstetrics & Gynecology)
725 AMERICAN AVE, PROHEALTH CARE WOMEN'S CENTER
WAUKESHA, WI 53188
Physician Assistant
725 AMERICAN AVE
WAUKESHA, WI 53188
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188
Physician Assistant
725 AMERICAN AVE
WAUKESHA, WI 53188

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 Megan Vylonis's NPI number?

The NPI number for Megan Vylonis is 1528417235. It was assigned to this individual provider in the NPPES registry on June 3, 2016.

Where is Megan Vylonis located?

Megan Vylonis practices at 725 American Ave, Waukesha, WI 53188. The listed phone number is (262) 544-2011.

What is Megan Vylonis's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Megan Vylonis enrolled in Medicare?

Yes. Megan Vylonis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Megan Vylonis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Vylonis reassigns Medicare benefits to Anex, S.C. (Waukesha, WI). The 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 Megan Vylonis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Megan Vylonis affiliated with any hospitals?

According to CMS data, Megan Vylonis is affiliated with Waukesha Memorial Hospital and Oconomowoc Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Megan Vylonis was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.