Doctor Profile

Nephrology · Nephrology

James A. Tumlin

MD · Nephrology · University Of South Florida College Of Medicine
497 WINN WAY
SUITE A210
Decatur, GA 30030
✓ Accepts Medicare 🎓 40+ Years Practicing
191
Medicare Patients / yr
8
Procedures Billed
40
Years Practicing
4
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 James A. Tumlin'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. Tumlin

See which plans Dr. Tumlin accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Georgia, the fastest way to find a Medicare plan that covers Dr. Tumlin is to compare every Medicare Advantage and Part D plan available near 30030, GA — the Nephrology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 30030, GA →

Or call the office at (404) 294-7033 to confirm acceptance directly.

What Dr. Tumlin Does

Dr. Tumlin served 191 Medicare patients across 305 services in the latest CMS reporting year. That's 83% below the average Nephrology in Georgia (1,107 patients across 293 doctors).

ProcedureServicesMedicare Patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)13159
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)5936
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)2523
Established patient office or other outpatient visit, 30-39 minutes (99214)2417
Established patient office or other outpatient visit, 20-29 minutes (99213)2117

How to read this: "Services" are the total times Dr. Tumlin 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. Tumlin is affiliated with 4 hospitals according to CMS Physician Compare. Below are the 4 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Emory Johns Creek Hospital

Johns Creek, GA
★★★☆☆ 3/5 CMS Rating

Northside Hospital Duluth

Duluth, GA
★★★☆☆ 3/5 CMS Rating

Northside Hospital Gwinnett

Lawrenceville, GA
★★★☆☆ 3/5 CMS Rating

Piedmont Eastside Medical Center

Snellville, GA
★☆☆☆☆ 1/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 497 WINN WAY, SUITE A210, Decatur, GA 30030
Phone: (404) 294-7033

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

31 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

96.4376

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

Get directions on Google Maps →

Other Nephrology Doctors near 30030, GA

If Dr. Tumlin isn't accepting new patients or isn't in your plan's network, these are the closest nephrology doctors near 30030, GA:

DoctorSpecialtyMedicare Patients / yrDistance
Shukhrat N. ArtikovNephrology1.0K<1 mi
Karen MuroNephrology2481.1 mi
Sharad VirmaniNephrology4121.1 mi
Michael H. PressNephrology4101.1 mi
Lorin M. SanchezNephrology3161.1 mi

View all nephrology doctors near 30030, GA →

How to Use This Information

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

Compare Medicare Plans near 30030, GA → All Doctors near 30030, GA

James A. Tumlin: Common Questions

Does Dr. Tumlin accept Medicare?
Yes. Dr. Tumlin is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Tumlin depends on that plan's provider network. Compare Medicare plans near 30030, GA →
Where is Dr. Tumlin's office?
Dr. Tumlin practices at 497 WINN WAY, SUITE A210, Decatur, GA 30030. Phone: (404) 294-7033.
What Medicare plans does Dr. Tumlin accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (404) 294-7033 to confirm your specific plan is accepted, or compare all Medicare plans near 30030, GA to see available options.
Does Dr. Tumlin offer telehealth visits?
CMS does not currently list Dr. Tumlin as offering telehealth. Call the office at (404) 294-7033 to confirm whether virtual visits are available.
How experienced is Dr. Tumlin?
Dr. Tumlin graduated in 1986 and has been practicing for approximately 40 years. In the latest CMS reporting year, Dr. Tumlin treated 191 Medicare patients across 8 distinct procedure types.
How do I know if Dr. Tumlin 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 (404) 294-7033 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 Nephrology Specialists

See which Medicare plans score highest for conditions commonly managed by this specialty in 30030, GA:

Does your Medicare plan cover Dr. Tumlin?

Compare Plans near 30030, GA →