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DR. DOMINIC O CO MD, PHD
NPI 1649329574
Pediatrics - Pediatric Rheumatology in Madison, WI

Active since January 09, 2007PECOS Enrolled
600 HIGHLAND AVE, MADISON, WI 53792(608) 263-6420(608) 263-0440 Get Directions Write a Review

NPPES record last updated: January 12, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 12, 2021, Feb 19, 2020 (2 updates tracked since 2020).

About Dr. Dominic O Co Md, Phd NPPES

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

DR. DOMINIC O CO MD, PHD (NPI 1649329574) is an individual pediatric rheumatology provider in Madison, Wisconsin, licensed in Wisconsin (51334) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649329574
Entity TypeIndividualMale
Primary Taxonomy2080P0216X
Provider Legal NameDR. DOMINIC O COCredential: MD, PHD
Location Address600 HIGHLAND AVEMadison, WI 53792-4874
Mailing Address600 Highland AveMadison, WI 53792-0001 · (608) 263-6420 · Fax (608) 833-6965
Phone(608) 263-6420
Fax(608) 263-0440
Sole ProprietorNo
Enumeration DateJanuary 9, 2007
Last NPPES UpdateJanuary 12, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2021
✔ NPI 1649329574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0216X
License✔ Licensed in WI · 51334
Definition
A pediatrician who treats diseases of joints, muscle, bones and tendons. A pediatric rheumatologist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
600 HIGHLAND AVE, Madison, WI 53792
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dominic O Co Md, Phd 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 Reassignment

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

University Of Wisconsin Medical Foundation, Inc
4.8 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.

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.

JASON ALAN CHRISTENSEN PHARMD
Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Dane County (608) 662-0817
LAURA JEAN KOPPLIN MD, PHD
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6070
HAGGI MAZEH MD
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 265-8072
DR. SWAPNIL SUNIL LANJEWAR M.D.
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-0946
DR. MATTHEW JAMES HOYT M.D.
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
VANESSA MERCEDES WELTEN MD MPH
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (617) 732-5500
JOHN HENRY NORMAN HARRISON
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
PIPPA FROUKTE COSPER MD
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8500

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 Dominic Co's NPI number?

The NPI number for Dominic Co is 1649329574. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Dominic Co located?

Dominic Co practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6420.

What is Dominic Co's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.

Is Dominic Co enrolled in Medicare?

Yes. Dominic Co is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dominic Co's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dominic Co 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 Dominic Co's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dominic Co accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Group Health Cooperative-SCW, HealthPartners and Quartz and 1 other insurer list Dominic Co 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 Dominic Co was last updated on January 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.