Doctor profile · Federal record

Dr. Anita Koszyk-Szewczyk, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Chandler, AZ

  • NPI 1487871786
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
695 S Dobson RD
Chandler, AZ 852245665
(480) 821-2838
fax (480) 821-9444
Mailing address
Po Box 6423
Chandler, AZ 852466423

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
November 15, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Arizona #41606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487871786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67,842
Distinct HCPCS
10
Medicare allowed
$562,681
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 42,750 28 $1
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 11,000 107 $0
J0897 Injection, denosumab, 1 mg 8,340 22 $22
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,512 22 $0
J2469 Injection, palonosetron hcl, 25 mcg 780 14 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 669 327 $86
J2405 Injection, ondansetron hydrochloride, per 1 mg 368 12 $0
96367 Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 295 27 $27
96372 Injection of drug or substance under skin or into muscle 272 43 $14
96413 Administration of chemotherapy into vein, 1 hour or less 244 33 $124

In context: peer comparison

Among 5 peers in Chandler Hematology & Oncology Physician, average services per provider: 1,478. This provider delivers 46× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,088
Transactions
113
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 13 $326.29
AstraZeneca Pharmaceuticals Lp 12 $288.37
Abbvie INC. 15 $238.33
Novartis Pharmaceuticals Corporation 11 $217.08
Eisai INC. 8 $184.43
Janssen Biotech, INC. 8 $146.78
E.R. Squibb & Sons, L.L.C. 6 $144.84
Gilead Sciences, INC. 9 $144.68
Daiichi Sankyo INC. 7 $142.07
Merck Sharp & Dohme LLC 7 $129.20
Ipsen Biopharmaceuticals, INC 5 $94.42
Stemline Therapeutics INC. 3 $68.10
Celgene Corporation 4 $67.62
Genentech USA, INC. 3 $65.44
Rigel Pharmaceuticals, INC. 2 $62.69

By nature of payment

Food and Beverage
$3,088

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
914
Patients
205
Total drug cost
$507,217
Drug Type Claims Patients Total cost
Anastrozole Generic 344 88 $9,024
Eliquis (Apixaban) Brand 117 22 $78,849
Xarelto (Rivaroxaban) Brand 58 14 $56,412
Tamoxifen Citrate Generic 52 13 $1,590
Hydroxyurea Generic 41 12 $1,335
Exemestane Generic 39 11 $4,745
Acyclovir Generic 38 0 $683
Letrozole Generic 38 15 $864
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 31 0 $221
Imbruvica (Ibrutinib) Brand 29 0 $291,330

Frequently asked questions

Auto-generated from federal data
What is Dr. Anita Koszyk-Szewczyk's medical specialty?
Dr. Anita Koszyk-Szewczyk practices Hematology & Oncology Physician in Chandler, AZ.
Where does Dr. Anita Koszyk-Szewczyk practice?
Dr. Anita Koszyk-Szewczyk practices at 695 S Dobson RD, Chandler, AZ 852245665. Office phone: 4808212838.
What is Dr. Anita Koszyk-Szewczyk's NPI?
Dr. Anita Koszyk-Szewczyk's National Provider Identifier (NPI) is 1487871786, issued by NPPES.
Does Dr. Anita Koszyk-Szewczyk accept Medicare assignment?
Yes. Dr. Anita Koszyk-Szewczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anita Koszyk-Szewczyk commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.