Doctor Profile

Gastroenterology · Gastroenterology

Adam J. Snyder

MD · Gastroenterology · New York University School Of Medicine
500 W SAN BERNARDINO RD
SUITE B
Covina, CA 91722
✓ Accepts Medicare 💻 Offers Telehealth 🎓 15 Years Practicing
942
Medicare Patients / yr
12
Procedures Billed
15
Years Practicing
3
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 Adam J. Snyder'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. Snyder

See which plans Dr. Snyder 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. Snyder is to compare every Medicare Advantage and Part D plan available near 91722, CA — the Gastroenterology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 91722, CA →

Or call the office at (626) 960-2326 to confirm acceptance directly.

What Dr. Snyder Does

Dr. Snyder served 942 Medicare patients across 1,481 services in the latest CMS reporting year. That's 27% above the average Gastroenterology in California (743 patients across 1,205 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)688279
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)211204
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)144134
Pathology examination of tissue using a microscope, intermediate complexity (88305)12943
Established patient office or other outpatient visit, 30-39 minutes (99214)11387

How to read this: "Services" are the total times Dr. Snyder 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. Snyder is affiliated with 3 hospitals according to CMS Physician Compare. Below are the 3 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Emanate Health Foothill Presbyterian Hospital

Glendora, CA
★★★☆☆ 3/5 CMS Rating

Emanate Health Inter-Community Hospital

Covina, CA
★☆☆☆☆ 1/5 CMS Rating

San Dimas Community Hospital

San Dimas, CA
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 500 W SAN BERNARDINO RD, SUITE B, Covina, CA 91722
Phone: (626) 960-2326

Area Safety Grade

C-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

40 min

Average commute time in this zip · 87% 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

88.7492

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

Get directions on Google Maps →

Other Gastroenterology Doctors near 91722, CA

If Dr. Snyder isn't accepting new patients or isn't in your plan's network, these are the closest gastroenterology doctors near 91722, CA:

DoctorSpecialtyMedicare Patients / yrDistance
Patrick B. TruongGastroenterology1.2K<1 mi
Syed Mohsin SaghirGastroenterology26<1 mi
Osama SidhomGastroenterology1.3K<1 mi
Ankush SharmaGastroenterology827<1 mi
George FerencziGastroenterology417<1 mi
Sartaj M. AroraGastroenterology1.3K<1 mi

View all gastroenterology doctors near 91722, CA →

How to Use This Information

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

Compare Medicare Plans near 91722, CA → All Doctors near 91722, CA

Adam J. Snyder: Common Questions

Does Dr. Snyder accept Medicare?
Yes. Dr. Snyder is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Snyder depends on that plan's provider network. Compare Medicare plans near 91722, CA →
Where is Dr. Snyder's office?
Dr. Snyder practices at 500 W SAN BERNARDINO RD, SUITE B, Covina, CA 91722. Phone: (626) 960-2326.
What Medicare plans does Dr. Snyder accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (626) 960-2326 to confirm your specific plan is accepted, or compare all Medicare plans near 91722, CA to see available options.
Does Dr. Snyder offer telehealth visits?
Dr. Snyder 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. Snyder?
Dr. Snyder graduated in 2011 and has been practicing for approximately 15 years. In the latest CMS reporting year, Dr. Snyder treated 942 Medicare patients across 12 distinct procedure types.
How do I know if Dr. Snyder 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 (626) 960-2326 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 Gastroenterology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 91722, CA:

Does your Medicare plan cover Dr. Snyder?

Compare Plans near 91722, CA →