MR. HRAIR-GEORGE MESROBIAN MD
NPI 1407803240
Urology - Pediatric Urology in Madison, WI

Active since May 27, 2006PECOS Enrolled
600 HIGHLAND AVE, MADISON, WI 53792(608) 915-0670 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 12, 2026, Apr 9, 2026, Sep 12, 2024 and 1 more (4 updates tracked since 2022).

About Mr. Hrair-george Mesrobian Md NPPES

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

MR. HRAIR-GEORGE MESROBIAN MD (NPI 1407803240) is an individual pediatric urology provider in Madison, Wisconsin, licensed in Wisconsin (36790) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1407803240
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameMR. HRAIR-GEORGE MESROBIANCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Enumeration DateMay 27, 2006
Last NPPES UpdateMay 12, 20264 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
✔ NPI 1407803240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
Licenses✔ Licensed in WI · 36790✔ Licensed in FL · ME170686
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
Also ListedUrologyTaxonomy 208800000X · License M-17776 (ID), 36790 (WI)
600 HIGHLAND AVE, Madison, WI 53792

Secondary Practice Locations 2

Location 19000 W Wisconsin Ave, Pediatric UrologyMilwaukee, WI 53226-4874 · Phone (414) 266-3794 · Fax (414) 266-1752
Location 2305 E Jefferson StBoise, ID 83712-6231 · Phone (208) 381-6196 · Fax (208) 381-6199

Other Identifiers 2

Medicaid1407803240WI
Medicaid32146800WI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Hrair-george Mesrobian Md 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

6

Medicare enrollment records show Hrair-george Mesrobian reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
Pediatrics
848 ADAMS AVE.
Memphis, TN 38103
  • Reassigned Medicare billing, Tennessee enrollment
  • 582 clinicians in this Medicare group
Family Medicine
1115 E RIDGEWOOD ST
Orlando, FL 32803
  • Reassigned Medicare billing, Florida enrollment
  • 3,005 clinicians in this Medicare group
Family Medicine
840 N 4TH E
Mountain Home, ID 83647
  • Reassigned Medicare billing, Idaho enrollment
  • 1,312 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.

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.

Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792

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 Hrair-george Mesrobian's NPI number?

The NPI number for Hrair-george Mesrobian is 1407803240. It was assigned to this individual provider in the NPPES registry on May 27, 2006.

Where is Hrair-george Mesrobian located?

Hrair-george Mesrobian practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 915-0670.

What is Hrair-george Mesrobian's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is Hrair-george Mesrobian enrolled in Medicare?

Yes. Hrair-george Mesrobian is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hrair-george Mesrobian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hrair-george Mesrobian reassigns Medicare benefits to 6 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Aurora Medical Group, Inc. (West Allis, WI), Ut Lebonheur Pediatric Specialists, Inc. (Memphis, TN), Florida Hospital Medical Group Inc (Orlando, FL) and 1 more organization, listed in the Medicare section above. 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 Hrair-george Mesrobian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hrair-george Mesrobian accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan and Florida Blue (BlueCross BlueShield FL) and 11 other insurers list Hrair-george Mesrobian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hrair-george Mesrobian was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.