Doctor Profile

Cancer Care · Hematology/Oncology

Chad M. Guenther

MD · Hematology/Oncology · University Of Wisconsin School Of Medicine
540 W PUEBLO ST
Santsa Barbara, CA 93105
✓ Accepts Medicare 💻 Offers Telehealth 🎓 10 Years Practicing
201
Medicare Patients / yr
6
Procedures Billed
10
Years Practicing
2
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Chad M. Guenther's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

Medicare Plans That Cover Dr. Guenther

See which plans Dr. Guenther accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for California, the fastest way to find a Medicare plan that covers Dr. Guenther is to compare every Medicare Advantage and Part D plan available near 93105, CA — the Hematology/Oncology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 93105, CA →

Or call the office at (805) 681-1761 to confirm acceptance directly.

What Dr. Guenther Does

Dr. Guenther served 201 Medicare patients across 280 services in the latest CMS reporting year. That's 83% below the average Hematology/Oncology in California (1,170 patients across 846 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)10955
Established patient office or other outpatient visit, 40-54 minutes (99215)5953
Established patient office or other outpatient visit, 20-29 minutes (99213)3830
New patient office or other outpatient visit, 45-59 minutes (99204)2727
New patient office or other outpatient visit, 60-74 minutes (99205)2525

How to read this: "Services" are the total times Dr. Guenther billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.

Hospital Affiliations

Dr. Guenther is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Goleta Valley Cottage Hospital

Santa Barbara, CA
★★★★★ 5/5 CMS Rating

Santa Barbara Cottage Hospital

Santa Barbara, CA
★★★★★ 5/5 CMS Rating

Practice Location & Telehealth Readiness

Dr. Guenther practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Guenther offers telehealth — broadband availability at your home matters for virtual visits.

Address: 540 W PUEBLO ST, Santsa Barbara, CA 93105
Phone: (805) 681-1761

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

21 min

Average commute time in this zip · 65% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.

Telehealth Readiness

82.9292

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Cancer Care Doctors near 93105, CA

If Dr. Guenther isn't accepting new patients or isn't in your plan's network, these are the closest cancer care doctors near 93105, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Constance A. StoehrHematology/Oncology3261.1 mi
Justin C. VoogRadiation Oncology2.6K1.1 mi
Mohammed I. Abu ZaanonaHematology/Oncology1.1 mi
Maira P. CamposHematology/Oncology1.3K1.1 mi
Ryan F. KendleHematology/Oncology6091.1 mi

View all cancer care doctors near 93105, CA →

How to Use This Information

Choosing a Medicare plan that covers Dr. Guenther takes three steps:

Compare Medicare Plans near 93105, CA → All Doctors near 93105, CA

Chad M. Guenther: Common Questions

Does Dr. Guenther accept Medicare?
Yes. Dr. Guenther is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Guenther depends on that plan's provider network. Compare Medicare plans near 93105, CA →
Where is Dr. Guenther's office?
Dr. Guenther practices at 540 W PUEBLO ST, Santsa Barbara, CA 93105. Phone: (805) 681-1761.
What Medicare plans does Dr. Guenther accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (805) 681-1761 to confirm your specific plan is accepted, or compare all Medicare plans near 93105, CA to see available options.
Does Dr. Guenther offer telehealth visits?
Dr. Guenther is registered with Medicare as offering telehealth services. Most Medicare Advantage plans cover telehealth visits at the same or similar cost as in-person visits. Check broadband availability in your area to ensure reliable connectivity for video visits.
How experienced is Dr. Guenther?
Dr. Guenther graduated in 2016 and has been practicing for approximately 10 years. In the latest CMS reporting year, Dr. Guenther treated 201 Medicare patients across 6 distinct procedure types.
How do I know if Dr. Guenther is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at (805) 681-1761 and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.

View full profile →LinkedIn

Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology →Privacy policy

Medicare Resources

Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:

Medicare Plans for Conditions Treated by Cancer Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 93105, CA:

Does your Medicare plan cover Dr. Guenther?

Compare Plans near 93105, CA →