Doctor profile · Federal record

Dr. Anna Niewiarowska, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Bethlehem, PA

  • NPI 1003927559
  • Accepts Medicare
  • 44 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
306 S New St Ste 201
Bethlehem, PA 180151652
(610) 866-0113
fax (610) 974-8589
Mailing address
306 S New St, Ste 201
Bethlehem, PA 180151652

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 25, 2022
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Pennsylvania #MD041008L
Medicaid
PA #0014316580002

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003927559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,934
Distinct HCPCS
10
Medicare allowed
$206,115
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 3,503 14 $22
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,511 12 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 732 87 $7
80053 Blood test, comprehensive group of blood chemicals 663 86 $10
96375 Injection of additional new drug or substance into vein 651 23 $14
83735 Magnesium level 647 86 $6
83615 Lactate dehydrogenase (enzyme) level 617 86 $6
96372 Injection of drug or substance under skin or into muscle 351 30 $13
J3490 Unclassified drugs 193 23 $1
96413 Administration of chemotherapy into vein, 1 hour or less 189 16 $112

In context: peer comparison

Among 3 peers in Bethlehem Hematology & Oncology Physician, average services per provider: 292. This provider delivers 37× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,492
Transactions
46
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 5 $239.82
Daiichi Sankyo INC. 6 $145.08
Merck Sharp & Dohme LLC 6 $113.46
Novartis Pharmaceuticals Corporation 3 $80.59
E.R. Squibb & Sons, L.L.C. 3 $66.20
GlaxoSmithKline, LLC. 3 $64.02
Emd Serono, INC. 2 $58.32
Incyte Corporation 3 $57.16
Tempus Ai, INC 3 $56.37
Genentech USA, INC. 2 $54.12
Abbvie INC. 2 $48.79
Servier Pharmaceuticals LLC 2 $44.78
PharmaEssentia USA Corporation 2 $44.05
Gilead Sciences, INC. 2 $42.98
SpringWorks Therapeutics, INC. 2 $39.32

By nature of payment

Food and Beverage
$1,322
Education
$170

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
452
Patients
11
Total drug cost
$1,062,304
Drug Type Claims Patients Total cost
Procrit (Epoetin Alfa) Brand 53 0 $201,106
Fondaparinux Sodium Generic 37 11 $16,049
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 36 0 $181,403
Famotidine Generic 34 0 $258
Fulvestrant Generic 32 0 $18,166
Xgeva (Denosumab) Brand 30 0 $92,710
Trodelvy (Sacituzumab Govitecan-Hziy) Brand 28 0 $303,880
Montelukast Sodium Generic 27 0 $367
Palonosetron Hcl Generic 27 0 $1,382
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 27 0 $226

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Niewiarowska's medical specialty?
Dr. Anna Niewiarowska practices Hematology & Oncology Physician in Bethlehem, PA.
Where does Dr. Anna Niewiarowska practice?
Dr. Anna Niewiarowska practices at 306 S New St Ste 201, Bethlehem, PA 180151652. Office phone: 6108660113.
What is Dr. Anna Niewiarowska's NPI?
Dr. Anna Niewiarowska's National Provider Identifier (NPI) is 1003927559, issued by NPPES.
Does Dr. Anna Niewiarowska accept Medicare assignment?
Yes. Dr. Anna Niewiarowska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Niewiarowska commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.