Doctor Profile

Primary Care · Internal Medicine

Joy Bloch

MD · Internal Medicine · University Of Arizona College Of Medicine
1450 TREAT BLVD
SUITE 120A
Walnut Creek, CA 94597
✓ Accepts Medicare 💻 Offers Telehealth 🎓 31+ Years Practicing
641
Medicare Patients / yr
11
Procedures Billed
31
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 Joy Bloch'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. Bloch

See which plans Dr. Bloch 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. Bloch is to compare every Medicare Advantage and Part D plan available near 94597, CA — the Internal Medicine's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 94597, CA →

Or call the office at (925) 296-9720 to confirm acceptance directly.

What Dr. Bloch Does

Dr. Bloch served 641 Medicare patients across 884 services in the latest CMS reporting year. That's similar to the average Internal Medicine in California (636 patients across 8,771 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)271143
Established patient office or other outpatient visit, 20-29 minutes (99213)192145
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)174174
Injection of drug or substance under skin or into muscle (96372)7414
Administration of influenza virus vaccine (G0008)4848

How to read this: "Services" are the total times Dr. Bloch 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. Bloch 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.

John Muir Medical Center - Concord Campus

Concord, CA
★★★★☆ 4/5 CMS Rating

John Muir Medical Center - Walnut Creek Campus

Walnut Creek, CA
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 1450 TREAT BLVD, SUITE 120A, Walnut Creek, CA 94597
Phone: (925) 296-9720

Area Safety Grade

D+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

41 min

Average commute time in this zip · 57% 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

57.5075

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

Get directions on Google Maps →

Other Primary Care Doctors near 94597, CA

If Dr. Bloch isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 94597, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Natalie DelfaveroFamily Practice<1 mi
Thomas B. MillerInternal Medicine666<1 mi
Jennifer ShapiroFamily Practice644<1 mi
Frances T. PradoNurse Practitioner58<1 mi
Lauren AblesFamily Practice610<1 mi

View all primary care doctors near 94597, CA →

How to Use This Information

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

Compare Medicare Plans near 94597, CA → All Doctors near 94597, CA

Joy Bloch: Common Questions

Does Dr. Bloch accept Medicare?
Yes. Dr. Bloch is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Bloch depends on that plan's provider network. Compare Medicare plans near 94597, CA →
Where is Dr. Bloch's office?
Dr. Bloch practices at 1450 TREAT BLVD, SUITE 120A, Walnut Creek, CA 94597. Phone: (925) 296-9720.
What Medicare plans does Dr. Bloch accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (925) 296-9720 to confirm your specific plan is accepted, or compare all Medicare plans near 94597, CA to see available options.
Does Dr. Bloch offer telehealth visits?
Dr. Bloch 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. Bloch?
Dr. Bloch graduated in 1995 and has been practicing for approximately 31 years. In the latest CMS reporting year, Dr. Bloch treated 641 Medicare patients across 11 distinct procedure types.
How do I know if Dr. Bloch 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 (925) 296-9720 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 Primary Care Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 94597, CA:

Does your Medicare plan cover Dr. Bloch?

Compare Plans near 94597, CA →