GREGORY J. MORRISSETTE (MD) – Anesthesiology Physician, NPI 1306835343
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
285 ANESTHESIOLOGY in ME
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Provider Addresses for GREGORY J. MORRISSETTE (MD)
Gannett Drive, South Portland, Cumberland County, Maine, 04092, United States
SOUTH PORTLAND, ME 041063266
Phone: (207) 482-7800
Type: Mailing
Maine Medical Center, 22, Bramhall Street, West End, Portland, Cumberland County, Maine, 04102, United States
PORTLAND, ME 041023134
Phone: (207) 662-2526
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: 2015-02-26
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 |
|---|---|---|---|---|
| I20150226000296 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 76937 | Ultrasonic guidance for blood vessel access | 43 | 30 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 35 | 35 | $0 |
| 00104 | Anesthesia for electroshock therapy | 26 | 20 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 25 | 24 | $0 |
| 00567 | Anesthesia for heart artery bypass grafting on heart-lung machine | 13 | 13 | $0 |
Insurance plans in this area (ZIP 04106)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | ME | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 45 | 45 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OK | |
| - | ME | |
| Diagnostic Radiology | ME | |
| A N E S T H E S I O L O G Y | ME | |
| - | NH | |
| - | ME | |
| - | NH | |
| Diagnostic Radiology | ME | |
| - | ME | |
| P A T H O L O G Y | NC |
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