Physician Profile
Based in Saint Louis, MO, Pilaipun Williams, M.D. is listed in the NPI registry under internal medicine. Pilaipun graduated from University of Missouri, Kansas City, School of Medicine in 2001. According to Medicare claims data, Pilaipun cared for 31 Medicare patients across 32 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. NPI 1437194784 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5701 CHIPPEWA ST
Saint Louis, MO 63109
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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Digestive and liver
Endocrine, blood, and bone
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Blood & Circulation
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32 services · 31 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
17 | Less often than most peers in Internal Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
15 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Pilaipun Williams is an internist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Pilaipun Williams is listed at 5701 Chippewa St, Saint Louis, MO 63109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 932-5690. Contact the office directly to confirm availability and scheduling.
NPI registry
Pilaipun Williams's National Provider Identifier is 1437194784. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Pilaipun Williams attended University of Missouri, Kansas City, School of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
Pilaipun Williams has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Pilaipun Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Pilaipun Williams. If this is you, claiming it is free.
Guide.md
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