RACHAEL MARIE NIEZNAJOMSKI (PA) – Physician Assistant, NPI 1306152657
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,091 PHYSICIAN ASSISTANT in MA
Provider Addresses for RACHAEL MARIE NIEZNAJOMSKI (PA)
PO BOX 414977
BOSTON, MA 022414977
Phone:
Type: Mailing
123 SUMMER ST
WORCESTER, MA 016081216
Phone: (781) 438-0745
Type: Location
123 Summer St
Worcester, MA 016081216
Phone: (781) 438-0745
Type: Location
830 CONSTITUTION AVE
LITTLETON, MA 01460
Phone: (978) 287-8990
Fax: (978) 679-1825
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: 2023-09-26
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 |
|---|---|---|---|---|
| I20101104000589 | I | Physician Assistant | MA | TBD |
| I20230926002814 | I | Physician Assistant | NH | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 62 | 60 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 51 | 51 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 42 | 42 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 19 | 19 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 12 | 12 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | NJ | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| G A S T R O E N T E R O L O G Y | MA | |
| - | MA |
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