Doctor Profile

Rheumatology · Rheumatology

Peter A. Merkel

MD · Rheumatology · Yale University School Of Medicine
800 WALNUT ST
FL 9 PENN RHEUMATOLOGY WAS
Philadelphia, PA 19107
✓ Accepts Medicare 🎓 38+ Years Practicing
44
Medicare Patients / yr
2
Procedures Billed
38
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 Peter A. Merkel'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. Merkel

See which plans Dr. Merkel accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Pennsylvania, the fastest way to find a Medicare plan that covers Dr. Merkel is to compare every Medicare Advantage and Part D plan available near 19107, PA — the Rheumatology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 19107, PA →

Or call the office at (215) 662-4333 to confirm acceptance directly.

What Dr. Merkel Does

Dr. Merkel served 44 Medicare patients across 55 services in the latest CMS reporting year. That's 95% below the average Rheumatology in Pennsylvania (937 patients across 214 doctors).

ProcedureServicesMedicare Patients
Established patient office or other outpatient visit, 30-39 minutes (99214)3526
Established patient office or other outpatient visit, 40-54 minutes (99215)2018

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

Hospital Of Univ Of Pennsylvania

Philadelphia, PA
★★★★★ 5/5 CMS Rating

Penn Presbyterian Medical Center

Philadelphia, PA
★★★★★ 5/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 800 WALNUT ST, FL 9 PENN RHEUMATOLOGY WAS, Philadelphia, PA 19107
Phone: (215) 662-4333

Area Safety Grade

C+

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

29 min

Average commute time in this zip · 17% 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

85.6085

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

Get directions on Google Maps →

Other Rheumatology Doctors near 19107, PA

If Dr. Merkel isn't accepting new patients or isn't in your plan's network, these are the closest rheumatology doctors near 19107, PA:

DoctorSpecialtyMedicare Patients / yrDistance
Marta BeanRheumatology<1 mi
Marianthi KiriakidouRheumatology289<1 mi
Stavros SavvasRheumatology176<1 mi
Yiu Tak LeungRheumatology320<1 mi
Michele MeltzerRheumatology20<1 mi
Timothy WilsonRheumatology114<1 mi

View all rheumatology doctors near 19107, PA →

How to Use This Information

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

Compare Medicare Plans near 19107, PA → All Doctors near 19107, PA

Peter A. Merkel: Common Questions

Does Dr. Merkel accept Medicare?
Yes. Dr. Merkel is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Merkel depends on that plan's provider network. Compare Medicare plans near 19107, PA →
Where is Dr. Merkel's office?
Dr. Merkel practices at 800 WALNUT ST, FL 9 PENN RHEUMATOLOGY WAS, Philadelphia, PA 19107. Phone: (215) 662-4333.
What Medicare plans does Dr. Merkel accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (215) 662-4333 to confirm your specific plan is accepted, or compare all Medicare plans near 19107, PA to see available options.
Does Dr. Merkel offer telehealth visits?
CMS does not currently list Dr. Merkel as offering telehealth. Call the office at (215) 662-4333 to confirm whether virtual visits are available.
How experienced is Dr. Merkel?
Dr. Merkel graduated in 1988 and has been practicing for approximately 38 years. In the latest CMS reporting year, Dr. Merkel treated 44 Medicare patients across 2 distinct procedure types.
How do I know if Dr. Merkel 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 (215) 662-4333 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 Rheumatology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 19107, PA:

Does your Medicare plan cover Dr. Merkel?

Compare Plans near 19107, PA →