JOHN M CORNWELL (MD) – Emergency Medicine Physician, NPI 1023007259
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,682 EMERGENCY MEDICINE in MA
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Provider Addresses for JOHN M CORNWELL (MD)
460, Totten Pond Road, Prospectville, Piety Corner, Waltham, Middlesex County, Massachusetts, 02451, United States
C/O MZI
WALTHAM, MA 024511991
Phone: (781) 890-9933
Fax: (781) 890-9930
Type: Mailing
Morton Hospital, 88, Washington Street, Taunton, Bristol County, Massachusetts, 02780, United States
ATTN EMERGENCY DEPT
TAUNTON, MA 027802465
Phone: (508) 828-7108
Fax: (508) 828-7158
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: 2005-04-12
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 |
|---|---|---|---|---|
| I20050412001395 | I | Emergency Medicine | MA | 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 | 64 | 64 | $0 |
| 95117 | Professional service for multiple injections of allergen | 43 | 11 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $0 |
| 87428 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 15 | 15 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 13 | 13 | $0 |
Insurance plans in this area (ZIP 02451)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Family Practice | MA | |
| D E R M A T O L O G Y | MA | |
| - | MA | |
| - | MA | |
| O T O L A R Y N G O L O G Y | MA | |
| - | MA | |
| - | MA | |
| N E P H R O L O G Y | MA | |
| Nurse Practitioner | MA |
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