Rebecca Maczko, PA
NPI 1942457734 · Physician Assistant · Warrenville, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Maczko, PA is a Physician Assistant provider in Warrenville, IL (NPI 1942457734).
Provider details
- NPI number
- 1942457734
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 085-003248 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
311 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 140 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $82 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 23 | $101 |
Typical Medicare-allowed amounts for these services range $70–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 77 | 27 |
| Meloxicam | 49 | 22 |
| Methylprednisolone | 31 | 30 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 25 |
| Tramadol Hcl | 23 | 13 |
| Cyclobenzaprine Hcl | 19 | 14 |
| Etodolac | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 1 record (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
- 2008-08-22
- Last updated
- 2022-07-11
- Certified
- 2022-07-11
Frequently asked questions
- What is Rebecca Maczko's NPI number?
- Rebecca Maczko's National Provider Identifier (NPI) is 1942457734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Maczko's specialty?
- Rebecca Maczko is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rebecca Maczko located?
- Rebecca Maczko's practice location on file with NPPES is 27650 Ferry Rd, Warrenville, IL 60555-3845.
- What is Rebecca Maczko's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Maczko is (630) 225-2345.
- Does Rebecca Maczko accept Medicare?
- Rebecca Maczko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Maczko's NPI active?
- Yes — Rebecca Maczko's NPI (1942457734) is active in the NPPES registry as of the last update on 2022-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.