SHAWN MCMAHON (PHYSICIAN ASSISTANT) – Surgical Physician Assistant, NPI 1083786552
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,167 PHYSICIAN ASSISTANT in ME
Provider Addresses for SHAWN MCMAHON (PHYSICIAN ASSISTANT)
2 QUARRY RD
BRUNSWICK, ME 040117330
Phone: (207) 344-8925
Type: Mailing
123 MEDICAL CENTER DR STE 2550
BRUNSWICK, ME 040112652
Phone: (207) 373-1707
Fax: (207) 808-7802
Type: Location
MaineGeneral Medical Center - Alfond Center for Health, 35, Medical Center Parkway, Augusta, Kennebec County, Maine, 04330, United States
AUGUSTA, ME 043308160
Phone: (207) 621-4116
Fax: (207) 622-4085
Type: Mailing
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: 2010-11-01
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 |
|---|---|---|---|---|
| I20101101000135 | I | Physician Assistant | ME | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 17 | 12 | $0 |
Insurance plans in this area (ZIP 04011)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| Internal Medicine | ME | |
| - | ME | |
| - | ME | |
| Cardiovascular Disease (Cardiology) | ME | |
| - | ME | |
| - | ME | |
| Family Practice, Hospice/Palliative Care | ME | |
| Pediatric Medicine, Endocrinology | MA | |
| Nurse Practitioner | ME |
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