Doctor Profile

Cardiology · Cardiovascular Disease (Cardiology)

William Baker

MD · Cardiovascular Disease (Cardiology) · University Of Texas Medical School At Houston
4404 BARRANCA LN
UNIT 101
Castle Rock, CO 80104
✓ Accepts Medicare 💻 Offers Telehealth 🎓 37+ Years Practicing
1.8K
Medicare Patients / yr
19
Procedures Billed
37
Years Practicing
5
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 William Baker'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. Baker

See which plans Dr. Baker accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Colorado, the fastest way to find a Medicare plan that covers Dr. Baker is to compare every Medicare Advantage and Part D plan available near 80104, CO — the Cardiovascular Disease (Cardiology)'s office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 80104, CO →

Or call the office at (720) 733-5260 to confirm acceptance directly.

What Dr. Baker Does

Dr. Baker served 1,774 Medicare patients across 2,291 services in the latest CMS reporting year. That's 18% above the average Cardiovascular Disease (Cardiology) in Colorado (1,507 patients across 196 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)729434
Established patient office or other outpatient visit, 20-29 minutes (99213)423313
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)328255
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)186160
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)125122

How to read this: "Services" are the total times Dr. Baker 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. Baker is affiliated with 5 hospitals according to CMS Physician Compare. Below are the 5 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Poudre Valley Hospital

Fort Collins, CO
★★★★★ 5/5 CMS Rating

Medical Center Of The Rockies

Loveland, CO
★★★★☆ 4/5 CMS Rating

Memorial Hospital, The

Craig, CO
Rating not available

Middle Park Medical Center

Kremmling, CO
Rating not available

Uchealth Yampa Valley Medical Center

Steamboat Springs, CO
Rating not available

Practice Location & Telehealth Readiness

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

Address: 4404 BARRANCA LN, UNIT 101, Castle Rock, CO 80104
Phone: (720) 733-5260

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

37 min

Average commute time in this zip · 74% 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

32.0949

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

Get directions on Google Maps →

Other Cardiology Doctors near 80104, CO

If Dr. Baker isn't accepting new patients or isn't in your plan's network, these are the closest cardiology doctors near 80104, CO:

DoctorSpecialtyMedicare Patients / yrDistance
Jason JurvaCardiovascular Disease (Cardiology)2.3K3.0 mi
Joseph R. LeeCardiovascular Disease (Cardiology)2.7K3.0 mi
Jaime E. GonzalezCardiac Electrophysiology1.9K3.0 mi
Justin StroteInterventional Cardiology1.6K3.0 mi
Shivanshu MadanInterventional Cardiology1.9K3.0 mi

View all cardiology doctors near 80104, CO →

How to Use This Information

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

Compare Medicare Plans near 80104, CO → All Doctors near 80104, CO

William Baker: Common Questions

Does Dr. Baker accept Medicare?
Yes. Dr. Baker is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Baker depends on that plan's provider network. Compare Medicare plans near 80104, CO →
Where is Dr. Baker's office?
Dr. Baker practices at 4404 BARRANCA LN, UNIT 101, Castle Rock, CO 80104. Phone: (720) 733-5260.
What Medicare plans does Dr. Baker accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (720) 733-5260 to confirm your specific plan is accepted, or compare all Medicare plans near 80104, CO to see available options.
Does Dr. Baker offer telehealth visits?
Dr. Baker 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. Baker?
Dr. Baker graduated in 1989 and has been practicing for approximately 37 years. In the latest CMS reporting year, Dr. Baker treated 1,774 Medicare patients across 19 distinct procedure types.
How do I know if Dr. Baker 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 (720) 733-5260 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 Cardiology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 80104, CO:

Does your Medicare plan cover Dr. Baker?

Compare Plans near 80104, CO →