RAYMOND L LEUNG (M.D,) – Internal Medicine Physician, NPI 1871716027
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,190 INTERNAL MEDICINE in MO
Provider Addresses for RAYMOND L LEUNG (M.D,)
1578 BUCKHURST CT
BALLWIN, MO 630218395
Phone: (314) 727-8099
Fax: (314) 727-6796
Type: Mailing
1034 S BRENTWOOD BLVD
SUITE 660
RICHMOND HEIGHTS, MO 631171223
Phone: (314) 727-8099
Fax: (314) 727-6796
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2015-04-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20150428002362 | I | Internal Medicine | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 61 | 61 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 47 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $0 |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | 37 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 63021)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| - | IL | |
| - | IL | |
| Family Practice | IL | |
| - | MO | |
| Internal Medicine | MO | |
| Family Practice | MO | |
| Family Practice | MO | |
| Internal Medicine | MO | |
| Nurse Practitioner | MO |
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