Dr. Patrick Koo, M.D.
Pulmonology (Pulmonary Disease Physician)
- Medicare participating
At a glance
- Years since graduation
- 19
- In the NPI registry since
- 2007
- Medicare patients seen, 2024
- 287
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Pulmonary Disease Physician primary
TN license 53977 -
Critical Care Medicine (Internal Medicine) Physician
TN license 53977
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Erlanger Medical Center Chattanooga, TN
Medical groups
- Erlanger Health (507 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 287
- Services billed
- 1,254
- Patients’ average age
- 72
| Service | Times | Patients |
|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | 339 | 24 |
| Critical care, first 30-74 minutes | 98 | 47 |
| Established patient office or other outpatient visit, 30-39 minutes | 93 | 60 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 37 |
| Test to examine how well the lungs exchange gases | 61 | 61 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 54 | 22 |
| Test for exercise-induced lung stress | 46 | 44 |
| Test to measure expiratory airflow and volume changes before and after medication administration | 44 | 44 |
| Test to determine lung volumes using gas dilution or washout | 43 | 29 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 24 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Albuterol Sulfate Hfa (albuterol sulfate) Other prescribers in Chattanooga, TN | 309 |
| Trelegy Ellipta (fluticasone/umeclidin/vilanter) Other prescribers in Chattanooga, TN | 205 |
| Anoro Ellipta (umeclidinium brm/vilanterol tr) Other prescribers in Chattanooga, TN | 67 |
| Prednisone Other prescribers in Chattanooga, TN | 65 |
| Budesonide Other prescribers in Chattanooga, TN | 62 |
| Breo Ellipta (fluticasone/vilanterol) Other prescribers in Chattanooga, TN | 60 |
| Glycopyrrolate Other prescribers in Chattanooga, TN | 54 |
| Levocetirizine Dihydrochloride Other prescribers in Chattanooga, TN | 53 |
| Famotidine Other prescribers in Chattanooga, TN | 51 |
| Montelukast Sodium Other prescribers in Chattanooga, TN | 50 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 6 payments worth $3,325 in total to this clinician.
| Intuitive Surgical, Inc. | $3,195 |
|---|---|
| Galvanize Therapeutics, Inc | $130 |
| Education | $3,000 |
|---|---|
| Travel and Lodging | $166 |
| Food and Beverage | $159 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Intuitive Surgical, Inc. Dec 5, 2025 | Education Da Vinci Surgical System · SURGERY · in-kind | $1,500 |
| Intuitive Surgical, Inc. Apr 15, 2025 | Education Da Vinci Surgical System · SURGERY · in-kind | $1,500 |
| Intuitive Surgical, Inc. Dec 19, 2025 | Travel and Lodging Da Vinci Surgical System · SURGERY · travel to NORCROSS, GA · in-kind | $160 |
| Intuitive Surgical, Inc. Sep 17, 2025 | Travel and Lodging Da Vinci Surgical System · SURGERY · travel to ATLANTA, GA · in-kind | $6.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.