DR. JOHN WILLIAM II MCNEIL (M.D.) – Emergency Medicine Physician, NPI 1003340126
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,332 FAMILY PRACTICE in MO
Provider Addresses for DR. JOHN WILLIAM II MCNEIL (M.D.)
1722 Clarkson Rd
Chesterfield, MO 630174976
Phone: (636) 206-2665
Fax: (636) 206-2664
Type: Location
Riverside Community Hospital, 4445, Magnolia Avenue, Riverside, Riverside County, California, 92501, United States
GME OFFICE
RIVERSIDE, CA 925014135
Phone: (951) 788-3000
Type: Location
1000 E Primrose St Ste 170
Springfield, MO 658075192
Phone: (417) 269-9853
Type: Location
340 S LEMON AVE # 6518
WALNUT, CA 917892706
Phone: (310) 702-3639
Type: Mailing
333 MERCY AVE
MERCED, CA 953408319
Phone: (209) 564-5000
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: 2025-02-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20211222000955 | I | Family Practice | CA | TBD |
| I20250219002486 | I | Family Practice | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 154 | 138 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 110 | 110 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 92 | 89 | $0 |
| 99291 | Critical care, first 30-74 minutes | 50 | 50 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 47 | 46 | $0 |
Insurance plans in this area (ZIP 63017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Physical Medicine And Rehabilitation | MO | |
| Clinical Psychologist | MO | |
| Nurse Practitioner | MO | |
| Clinical Psychologist | MO | |
| Physician Assistant | MO | |
| Physician Assistant | MO | |
| - | MD | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| Nurse Practitioner | MO |
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