MS. MCKENZIE MARIE ALEXANDRA GASSNER (PA-C) – Surgical Physician Assistant, NPI 1093279507
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,091 PHYSICIAN ASSISTANT in MA
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Provider Addresses for MS. MCKENZIE MARIE ALEXANDRA GASSNER (PA-C)
5 ISLAND HILL AVE APT 203
MALDEN, MA 021482647
Phone: (541) 771-9059
Type: Mailing
Cambridge Hospital, 1493, Cambridge Street, Inman Square, Cambridge, Middlesex County, Massachusetts, 02139, United States
CAMBRIDGE, MA 021391047
Phone: (541) 771-9059
Type: Location
5 Island Hill Ave Apt 203
Malden, MA 021482647
Phone: (541) 771-9059
Type: Location
1493 Cambridge St
Cambridge, MA 021391047
Phone: (541) 771-9059
Type: Location
10000 SE MAIN ST STE 260
PORTLAND, OR 972162448
Phone: (503) 346-1500
Fax: (503) 346-1501
Type: Location
1400 SW 5TH AVE STE 500
PORTLAND, OR 972015537
Phone: (866) 617-6855
Fax: (503) 346-8015
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $194.
Total Amount is formed as General ($194) + Research ($0) + Ownership ($0) = $194.
Last reported payment date: 2023-07-18 • Largest payer in this snapshot: PROCEPT BioRobotics Corporation ($194).
Total Amount
$194
General + Research + Ownership
Payments
1
Total payment records
General Amount
$194
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-07-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PROCEPT BioRobotics Corporation | $194 |
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: 2023-04-28
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 |
|---|---|---|---|---|
| I20230428001841 | I | Physician Assistant | OR | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 02148)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| Diagnostic Radiology | TN | |
| - | OR | |
| Nurse Practitioner | OR | |
| - | OR | |
| - | OR | |
| General Surgery, Thoracic Surgery | WA | |
| - | OR | |
| - | OR | |
| - | WA |
Reviews
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