Doctor Profile

Pulmonology · Pulmonary Disease

Patrick Koo

MD · Pulmonary Disease
979 E 3RD ST
SUITE C735
Chattanooga, TN 37403
✓ Accepts Medicare 🎓 19 Years Practicing
497
Medicare Patients / yr
16
Procedures Billed
19
Years Practicing
1
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 Patrick Koo'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. Koo

See which plans Dr. Koo accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Tennessee, the fastest way to find a Medicare plan that covers Dr. Koo is to compare every Medicare Advantage and Part D plan available near 37403, TN — the Pulmonary Disease's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 37403, TN →

Or call the office at (423) 778-9101 to confirm acceptance directly.

What Dr. Koo Does

Dr. Koo served 497 Medicare patients across 987 services in the latest CMS reporting year. That's 30% below the average Pulmonary Disease in Tennessee (712 patients across 195 doctors).

ProcedureServicesMedicare Patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)33924
Critical care, first 30-74 minutes (99291)9847
Established patient office or other outpatient visit, 30-39 minutes (99214)9360
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)6837
Test to examine how well the lungs exchange gases (94729)6161

How to read this: "Services" are the total times Dr. Koo 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. Koo is affiliated with 1 hospital in the CMS Physician Compare database. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.

Erlanger Medical Center

Chattanooga, TN
★★★☆☆ 3/5 CMS Rating

Practice Location & Telehealth Readiness

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

Address: 979 E 3RD ST, SUITE C735, Chattanooga, TN 37403
Phone: (423) 778-9101

Area Safety Grade

D

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

20 min

Average commute time in this zip · 73% 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

94.1235

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

Get directions on Google Maps →

Other Pulmonology Doctors near 37403, TN

If Dr. Koo isn't accepting new patients or isn't in your plan's network, these are the closest pulmonology doctors near 37403, TN:

DoctorSpecialtyMedicare Patients / yrDistance
Matthew A. KrethPulmonary Disease<1 mi
Catherine A. MartinezPulmonary Disease875<1 mi
Anne S. MainardiPulmonary Disease345<1 mi
Brett Z. SchaefferPulmonary Disease37<1 mi
Audrey E. HaywoodPulmonary Disease506<1 mi
Nathan H. Mull, IvPulmonary Disease351<1 mi

View all pulmonology doctors near 37403, TN →

How to Use This Information

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

Compare Medicare Plans near 37403, TN → All Doctors near 37403, TN

Patrick Koo: Common Questions

Does Dr. Koo accept Medicare?
Yes. Dr. Koo is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Koo depends on that plan's provider network. Compare Medicare plans near 37403, TN →
Where is Dr. Koo's office?
Dr. Koo practices at 979 E 3RD ST, SUITE C735, Chattanooga, TN 37403. Phone: (423) 778-9101.
What Medicare plans does Dr. Koo accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at (423) 778-9101 to confirm your specific plan is accepted, or compare all Medicare plans near 37403, TN to see available options.
Does Dr. Koo offer telehealth visits?
CMS does not currently list Dr. Koo as offering telehealth. Call the office at (423) 778-9101 to confirm whether virtual visits are available.
How experienced is Dr. Koo?
Dr. Koo graduated in 2007 and has been practicing for approximately 19 years. In the latest CMS reporting year, Dr. Koo treated 497 Medicare patients across 16 distinct procedure types.
How do I know if Dr. Koo 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 (423) 778-9101 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:

Does your Medicare plan cover Dr. Koo?

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