Medicare Enrolled

Dr. David Alfieri, M.D.

Orthopedic Surgery · Naperville, IL
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
100 SPALDING DR STE 300, Naperville, IL 60540
6307901872
Registered in NPPES since 2013
NPI: 1932442076 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Alfieri from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Alfieri

Dr. David Alfieri is an orthopedic surgery specialist in Naperville, IL, with 13 years of NPI registration. Based on federal Medicare data, Dr. Alfieri performed 4,201 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Alfieri received a total of $5,257 from 9 pharmaceutical and/or device companies across 64 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Alfieri is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 13 years of NPI registration ▲ Top 18% volume in IL $5,257 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
4,201
Medicare services
Top 18% in IL for orthopedic surgery
Not available
Unique patients (not deduplicated)
$40
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Joint lubricant injection (Durolane)
An injection of hyaluronan or its derivative, specifically Durolane, administered directly into a joint space.
1,620 $5 $25
Steroid injection (triamcinolone)
A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered.
1,228 $1 $4
Office visit, established patient (20-29 min)
An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition.
300 $69 $157
Joint injection, major joint
Removal of fluid from a large joint and/or injection of medication into the joint space.
273 $58 $565
Hip X-ray, 2-3 views
An X-ray imaging test of the hip joint using two to three different angles to visualize the bones and surrounding structures.
193 $36 $109
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
160 $99 $229
Knee X-ray, 4 or more views
An imaging test using X-rays to create multiple pictures of the knee joint from different angles.
144 $37 $143
Knee X-ray, 3 views
An X-ray imaging test of the knee joint that captures three different angles to evaluate the bones and surrounding structures.
70 $33 $117
Total hip replacement
Surgical procedure to replace the thigh bone and hip joint with artificial components.
49 $1,085 $6,204
New patient office visit (30-44 min)
An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range.
49 $74 $235
Total knee replacement 34 $1,069 $6,350
X-ray of thigh bone, minimum 2 views
An X-ray imaging test of the thigh bone using at least two different angles to visualize the bone structure.
24 $30 $86
Blood draw (venipuncture)
Insertion of a needle into a vein to collect a blood sample.
19 $8 $20
Sed rate test (inflammation marker)
This automated test measures how quickly red blood cells settle in a tube to detect inflammation in the body.
19 $3 $14
C-reactive protein test (inflammation marker)
A blood test that measures the level of C-reactive protein to detect the presence of infection or inflammation in the body.
19 $5 $27
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
2.0% high complexity
74.3% medium
23.7% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$5,257
Total received (2018-2024)
Avg $751/year across 7 years
Top 41% in IL for orthopedic surgery
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
9
Companies
64
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$35
2023
$253
2022
$310
2021
$1,308
2020
$229
2019
$2,674
2018
$447

Payments by company (2024)

Zimmer Biomet Holdings, Inc.
$35
Top 3 companies account for 100.0% of 2024 payments
All-time payments by company (2018-2024) ›
Zimmer Biomet Holdings, Inc.
$3,927
DePuy Synthes Sales Inc.
$617
Stryker Corporation
$253
Smith+Nephew, Inc.
$148
Flexion Therapeutics, Inc.
$105
EXACTECH, INC.
$88
SI-BONE, INC.
$78
KCI USA, Inc.
$28
SANOFI-AVENTIS U.S. LLC
$13
Top 3 companies account for 91.2% of all-time payments
Associated products mentioned in payments ›
ATTUNE · Acetabular · Avenir · EXTERNAL FIXATION · IFUSE IMPLANT · IM NAILS · Journey II CR · Juggerknotless Soft Anchor · Knee Product Portfolio · LPS · MAKO · Navio Surgical System · OPTETRAK · Oxford · PINNACLE · PPK · PREVENA · Persona · Persona IQ · Persona MC · Persona Revision · ROSA · ROSA-Knee · SYNVISC-ONE · T2 · TRIATHLON · Taperloc · Velys · ZNN · Zilretta
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for an orthopedic surgery specialist in Naperville?
Compare orthopedic surgeons in the Naperville area by procedure volume, costs, and industry payment transparency.
Browse orthopedic surgeons nearby

Geographic Context

Orthopedic surgeons in nearby ZIP areas
365
County median income
$110,502
Nearest hospital to ZIP centroid (approximate)
EDWARD HOSPITAL
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Alfieri is a mixed practice specialist, with above-average Medicare volume (top 18% in IL).

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Alfieri experienced with joint lubricant injection (durolane)?
Based on Medicare claims data, Dr. Alfieri performed 1,620 joint lubricant injection (durolane) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Alfieri receive payments from pharmaceutical companies?
Yes. Dr. Alfieri received a total of $5,257 from 9 companies across 64 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Alfieri's costs compare to other orthopedic surgeons in Naperville?
Dr. Alfieri's average Medicare payment per service is $40. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Alfieri) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →