Doctor profile · Federal record
Dr. Grace Koo, M.D.
Allergy & Immunology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Allergy & Immunology (Internal Medicine) Physician · Hospitalist Physician · Internal Medicine Physician · Nashville, TN
- NPI 1255788659
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
3601 the Vanderbilt Clinic
Nashville, TN 372326013
(615) 936-2000 - Additional location
-
3722 Harlem Ave Ste Ll34
Riverside, IL 60546
(708) 783-6566 - Additional location
-
2611 W End Ave
Nashville, TN 372036013
(615) 936-2727 - Mailing address
-
3841 Green Hills Village Dr
Nashville, TN 372152691
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- January 10, 2024
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- Tennessee #65411 · Illinois #036148471
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255788659. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
49
Distinct HCPCS
3
Medicare allowed
$4,913
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $154 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 14 | $111 | |
36415 |
Insertion of needle into vein for collection of blood sample | 13 | 12 | $8 |
In context: peer comparison
Among 4 peers in Nashville Allergy & Immunology Physician, average services per provider: 156. This provider delivers 0.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Grace Koo's medical specialty?
Dr. Grace Koo practices Allergy & Immunology Physician in Nashville, TN.
Where does Dr. Grace Koo practice?
Dr. Grace Koo practices at 3601 the Vanderbilt Clinic, Nashville, TN 372326013. Office phone: 6159362000.
What is Dr. Grace Koo's NPI?
Dr. Grace Koo's National Provider Identifier (NPI) is 1255788659, issued by NPPES.
Does Dr. Grace Koo accept Medicare assignment?
Yes. Dr. Grace Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Koo commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.