ANNA HALINA NIEGOWSKA (MD) – Hematology & Oncology Physician, NPI 1437190634
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
14 HEMATOLOGY in ME
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Provider Addresses for ANNA HALINA NIEGOWSKA (MD)
Mercy Hospital, 144, State Street, Old Port, Portland, Cumberland County, Maine, 04102, United States
PORTLAND, ME 041013776
Phone: (207) 879-3030
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $565.
Total Amount is formed as General ($565) + Research ($0) + Ownership ($0) = $565.
Last reported payment date: 2024-06-06 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($170).
Total Amount
$565
General + Research + Ownership
Payments
7
Total payment records
General Amount
$565
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $170 |
| EMD Serono, Inc. | $120 |
| Janssen Biotech, Inc. | $115 |
| Gilead Sciences, Inc. | $111 |
| Astellas Pharma US Inc | $27 |
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: 2004-05-17
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 |
|---|---|---|---|---|
| I20040517000938 | I | Hematology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 103 | 86 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 70 | 42 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 04101)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | MA | |
| - | ME | |
| H O S P I T A L I S T | ME | |
| - | VT | |
| - | ME | |
| Nurse Practitioner | PA | |
| - | ME | |
| Family Practice | ME | |
| - | ME | |
| Nurse Practitioner | NY |
Reviews
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