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CHRISTOPHER PHILIP KONTOGHIORGHES MD
NPI 1477134922
Internal Medicine - Endocrinology, Diabetes & Metabolism in Madison, WI

Active since April 16, 2021PECOS Enrolled
451 JUNCTION RD, MADISON, WI 53717(608) 916-0300(608) 265-7519 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 24, 2026, Jun 19, 2025, Apr 16, 2021 (3 updates tracked since 2021).

About Christopher Philip Kontoghiorghes Md NPPES

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

CHRISTOPHER PHILIP KONTOGHIORGHES MD (NPI 1477134922) is an individual endocrinology, diabetes & metabolism provider in Madison, Wisconsin, licensed in Wisconsin (87417-20) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Tulane University School Of Medicine (2021).

NPPES Registry Identity

NPI1477134922
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameCHRISTOPHER PHILIP KONTOGHIORGHESCredential: MD
Location Address451 JUNCTION RDMadison, WI 53717-2656
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 916-0300
Fax(608) 265-7519
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2021
Enumeration DateApril 16, 2021
Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1477134922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in WI · 87417-20
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2024021357 (MO)
451 JUNCTION RD, Madison, WI 53717
Open in Google Maps ↗

Secondary Practice Locations 5

Location 1600 Highland AveMadison, WI 53792-0001 · Phone (608) 263-7741
Location 24621 Eastpark BlvdMadison, WI 53718-2000 · Phone (608) 263-5010
Location 31 Barnes Jew Hosp PlzSaint Louis, MO 63110-1003 · Phone (314) 362-3500
Location 44921 Parkview PlSaint Louis, MO 63110-1032 · Phone (314) 362-3500
Location 54602 Eastpark BlvdMadison, WI 53718-2002 · Phone (608) 916-0300 · Fax (608) 265-7519

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners, Quartz.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christopher Philip Kontoghiorghes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870902299
PECOS Enrollment IDI20260804001788
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 Christopher Kontoghiorghes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Wisconsin Medical Foundation, Inc
2.2 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485

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 53717 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

MRS. TERESA LYNN WOLFE PA
Physician Assistant (Medical)
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 265-7670
DR. MARIAH A. QUINN M.D.
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 265-7550
DR. YEW-XIN TEH MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 263-5010
ABIGAIL M BALES MD
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 265-1600
UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY
Pharmacy
451 JUNCTION RD, SUITE 9901, ROOM 1191
MADISON, WI 53717
Dane County (608) 265-7070
ANNA HABERMEYER CNM
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 265-7601
MRS. SHERRY XIONG NP
Nurse Practitioner
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 263-7577
DANIELA C CONSTANTINESCU MD
Internal Medicine
451 JUNCTION RD
MADISON, WI 53717
Dane County (608) 265-7550

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 Christopher Kontoghiorghes's NPI number?

The NPI number for Christopher Kontoghiorghes is 1477134922. It was assigned to this individual provider in the NPPES registry on April 16, 2021.

Where is Christopher Kontoghiorghes located?

Christopher Kontoghiorghes practices at 451 Junction Rd, Madison, WI 53717. The listed phone number is (608) 916-0300.

What is Christopher Kontoghiorghes's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Christopher Kontoghiorghes enrolled in Medicare?

Yes. Christopher Kontoghiorghes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christopher Kontoghiorghes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Kontoghiorghes reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, 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 Christopher Kontoghiorghes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Kontoghiorghes accept?

Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Quartz list Christopher Kontoghiorghes 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 Christopher Kontoghiorghes was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.