CULLEN BUCHANAN MD
NPI 1003312026
Internal Medicine - Cardiovascular Disease in Madison, WI

Active since March 30, 2018PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 915-0200 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 18, 2025, Jun 28, 2021, Mar 30, 2018 (3 updates tracked since 2018).

About Cullen Buchanan Md NPPES

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

CULLEN BUCHANAN MD (NPI 1003312026) is an individual cardiovascular disease provider in Madison, Wisconsin, licensed in Wisconsin (76891) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains a secondary practice location in Aurora.

NPPES Registry Identity

NPI1003312026
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameCULLEN BUCHANANCredential: MD
Location Address600 HIGHLAND AVEMadison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2018
Enumeration DateMarch 30, 2018
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
NPI 1003312026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in WI · 76891
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

600 HIGHLAND AVE, Madison, WI 53792

Secondary Practice Location 1

Location 113001 E. 17th PlaceAurora, CO 80045-2581 · Phone (303) 724-1792

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Cullen Buchanan Md 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 ID4385990431
PECOS Enrollment IDI20250825000432
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.

Hospital Affiliations CMS Care Compare 5

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

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Mile Bluff Medical Center

Acute Care Hospitals · Mauston, WI
OwnershipProprietary
CMS Certification Number520109
Location1050 Division StMauston, WI 53948 · Juneau County
Emergency services Birthing friendly

Richland Hospital

Critical Access Hospitals · Richland Center, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521341
Location333 E Second StRichland Center, WI 53581 · Richland County
Emergency services

Stoughton Hospital

Critical Access Hospitals · Stoughton, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521343
Location900 Ridge StStoughton, WI 53589 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

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 Cullen Buchanan's NPI number?

The NPI number for Cullen Buchanan is 1003312026. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Where is Cullen Buchanan located?

Cullen Buchanan practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 915-0200.

What is Cullen Buchanan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Cullen Buchanan enrolled in Medicare?

Yes. Cullen Buchanan 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.

What insurance does Cullen Buchanan accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Quartz list Cullen Buchanan 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.

Is Cullen Buchanan affiliated with any hospitals?

According to CMS data, Cullen Buchanan is affiliated with Unitypoint Health - Meriter, University Of Wi Hospitals & Clinics Authority, Mile Bluff Medical Center, Richland Hospital and Stoughton Hospital.

When was this NPI record last updated?

The NPPES record for Cullen Buchanan was last updated on September 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.