Anita Koszyk-Szewczyk, M.D.
NPI 1487871786 · Hematology & Oncology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anita Koszyk-Szewczyk, M.D. is a Hematology & Oncology Physician provider in Chandler, AZ (NPI 1487871786).
Provider details
- NPI number
- 1487871786
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 41606 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,241 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 619 | $87 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 268 | $14 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 175 | $27 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 147 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 147 | $124 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 113 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 407 | 126 |
| Apixabanbrand: Eliquis | 112 | 25 |
| Letrozole | 56 | 18 |
| Rivaroxabanbrand: Xarelto | 46 | 15 |
| Tamoxifen Citrate | 46 | 13 |
| Hydroxyurea | 45 | 14 |
| Acyclovir | 43 | 11 |
| Ibandronate Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,088 across 153 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2022-11-15
- Certified
- 2022-11-15
Frequently asked questions
- What is Anita Koszyk-Szewczyk's NPI number?
- Anita Koszyk-Szewczyk's National Provider Identifier (NPI) is 1487871786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anita Koszyk-Szewczyk's specialty?
- Anita Koszyk-Szewczyk is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Anita Koszyk-Szewczyk located?
- Anita Koszyk-Szewczyk's practice location on file with NPPES is 695 S Dobson Rd, Chandler, AZ 85224-5665.
- What is Anita Koszyk-Szewczyk's phone number?
- The practice phone number listed in the NPPES registry for Anita Koszyk-Szewczyk is (480) 821-2838.
- Does Anita Koszyk-Szewczyk accept Medicare?
- Anita Koszyk-Szewczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anita Koszyk-Szewczyk's NPI active?
- Yes — Anita Koszyk-Szewczyk's NPI (1487871786) is active in the NPPES registry as of the last update on 2022-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.