Doctor profile · Federal record
Dr. Louis Peng, MD
Internal Medicine Physician (CMS: Internal Medicine) · Battle Ground, WA
- NPI 1831121615
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
18 Nw 20Th Ave
Battle Ground, WA 986044175
(360) 952-4457
fax (360) 828-7409 - Additional location
-
650 N Devine RD Ste B
Vancouver, WA 986616979
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- February 8, 2022
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Oregon #MD20257
- Medicaid
- OR #210837
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831121615. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21
Distinct HCPCS
1
Medicare allowed
$2,677
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 21 | 13 | $127 |
In context: peer comparison
Among 2 peers in Battle Ground Internal Medicine Physician, average services per provider: 57. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,195
Patients
378
Total drug cost
$16,237
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 175 | 55 | $2,350 |
| Rosuvastatin Calcium | Generic | 147 | 51 | $2,595 |
| Losartan Potassium | Generic | 122 | 39 | $1,363 |
| Gabapentin | Generic | 95 | 17 | $1,854 |
| Levothyroxine Sodium | Generic | 75 | 25 | $1,056 |
| Amlodipine Besylate | Generic | 72 | 23 | $497 |
| Lisinopril | Generic | 66 | 24 | $313 |
| Pantoprazole Sodium | Generic | 63 | 18 | $771 |
| Metoprolol Succinate | Generic | 61 | 19 | $887 |
| Omeprazole | Generic | 57 | 16 | $838 |
Frequently asked questions
What is Dr. Louis Peng's medical specialty?
Dr. Louis Peng practices Internal Medicine Physician in Battle Ground, WA.
Where does Dr. Louis Peng practice?
Dr. Louis Peng practices at 18 Nw 20Th Ave, Battle Ground, WA 986044175. Office phone: 3609524457.
What is Dr. Louis Peng's NPI?
Dr. Louis Peng's National Provider Identifier (NPI) is 1831121615, issued by NPPES.
Does Dr. Louis Peng accept Medicare assignment?
Yes. Dr. Louis Peng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Peng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.