Doctor profile · Federal record
Dr. Pilaipun Williams, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1437194784
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5701 Chippewa St
Saint Louis, MO 631091544
(314) 932-5690
fax (314) 932-5692 - Mailing address
-
11011 Sandistan Manor CT
Saint Louis, MO 631465588
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 16, 2011
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #2004023928
- Medicaid
- MO #200778900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437194784. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
34
Distinct HCPCS
2
Medicare allowed
$3,265
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 19 | $86 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $109 |
In context: peer comparison
Among 216 peers in this city , average services per provider: 171. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
51
Patients
49
Total drug cost
$287
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylprednisolone | Generic | 22 | 22 | $142 |
| Azithromycin | Generic | 15 | 15 | $54 |
| Amoxicillin | Generic | 14 | 12 | $91 |
Frequently asked questions
What is Dr. Pilaipun Williams's medical specialty?
Dr. Pilaipun Williams practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Pilaipun Williams practice?
Dr. Pilaipun Williams practices at 5701 Chippewa St, Saint Louis, MO 631091544. Office phone: 3149325690.
What is Dr. Pilaipun Williams's NPI?
Dr. Pilaipun Williams's National Provider Identifier (NPI) is 1437194784, issued by NPPES.
Does Dr. Pilaipun Williams accept Medicare assignment?
Yes. Dr. Pilaipun Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pilaipun Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.