Internal Medicine · Saint Louis, MO
NPI
1740424704
Since 2009
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
3535 S Jefferson Ave, Ste. 118
Saint Louis, MO, 63118
Phone (314) 776-7999
Groups this clinician bills Medicare through
Medicare paid, 2024
$158K
2,856 services
Medicare patients, 2024
601
Average age 72
Drug cost, 2024
$3.4M
55,323 prescriptions
Company payments, 2025
$227
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Shawn M Gao was code 99308 (snf e&m), 1,906 times for 378 patients. In total Shawn M Gao billed 2,856 services in 15 codes, and Medicare paid $158K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2015-06-23.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99308 SNF E&M | Facility | 1,906 | 378 | $52.34 | $100K |
| 99309 SNF E&M | Facility | 476 | 206 | $74.42 | $35K |
| 99347 Home E&M - New and Established | Office | 182 | 109 | $31.47 | $5,728 |
| 99348 Home E&M - New and Established | Office | 120 | 79 | $54.18 | $6,502 |
| 99305 SNF E&M | Facility | 56 | 55 | $95.05 | $5,323 |
| 99304 SNF E&M | Facility | 45 | 44 | $56.08 | $2,523 |
| 99307 SNF E&M | Facility | 38 | 32 | $28.67 | $1,090 |
| 99342 Home E&M - New and Established | Office | 16 | 16 | $51.58 | $825 |
By year: 2022 $119K for 2,381 services; 2023 $148K for 2,577 services; 2024 $158K for 2,856 services.
Medicare prescription drug claims, 2024
In 2024, the drug Shawn M Gao prescribed most often to Medicare patients was Atorvastatin Calcium, with 3,531 prescriptions and refills. In total Shawn M Gao wrote 55,323 Medicare prescriptions that cost $3.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 3,531 | 3,580 | 336 | $34K |
| Amlodipine Besylate Generic | 2,434 | 2,492 | 228 | $13K |
| Pantoprazole Sodium Generic | 1,623 | 1,633 | 194 | $17K |
| Gabapentin Generic | 1,617 | 1,640 | 211 | $18K |
| Levothyroxine Sodium Generic | 1,584 | 1,594 | 138 | $14K |
| Furosemide Generic | 1,351 | 1,358 | 164 | $7,282 |
| Eliquis Apixaban | 1,330 | 1,330 | 120 | $352K |
| Metformin Hcl Generic | 1,278 | 1,339 | 147 | $7,665 |
| Lisinopril Generic | 1,250 | 1,281 | 141 | $8,074 |
| Trazodone Hcl Generic | 1,230 | 1,249 | 163 | $11K |
| Tamsulosin Hcl Generic | 1,062 | 1,077 | 109 | $13K |
| Losartan Potassium Generic | 954 | 971 | 95 | $7,600 |
| Mirtazapine Generic | 874 | 875 | 95 | $17K |
| Omeprazole Generic | 854 | 875 | 102 | $7,036 |
| Carvedilol Generic | 822 | 823 | 81 | $6,510 |
Brand drugs: 5,970 claims; generic drugs: 48,887 claims; opioid claims: 1,033.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Shawn M Gao $227 ($227 in general payments such as food, travel and fees) from 3 companies. The largest payer was Otsuka America Pharmaceutical, Inc. with $110.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.