Joseph Donzelli, M.D.
NPI 1508938952 · Otolaryngology Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Donzelli, M.D. is a Otolaryngology Physician provider in Naperville, IL (NPI 1508938952).
Provider details
- NPI number
- 1508938952
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036092735 (IL)
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
2,615 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 | 622 | $93 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 316 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 261 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 228 | $130 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 226 | $115 |
| Thyroxine (thyroid Chemical), Free84439 | 193 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 525 | 145 |
| Azelastine Hcl | 487 | 230 |
| Levothyroxine Sodiumbrand: Synthroid | 100 | 25 |
| Ipratropium Bromide | 76 | 44 |
| Famotidine | 67 | 42 |
| Levothyroxine Sodiumbrand: Unithroid | 55 | 15 |
| Mupirocin | 52 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$865 across 41 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
- 2006-11-14
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is Joseph Donzelli's NPI number?
- Joseph Donzelli's National Provider Identifier (NPI) is 1508938952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Donzelli's specialty?
- Joseph Donzelli is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Donzelli located?
- Joseph Donzelli's practice location on file with NPPES is 1247 Rickert Dr Ste 200, Naperville, IL 60540-1014.
- What is Joseph Donzelli's phone number?
- The practice phone number listed in the NPPES registry for Joseph Donzelli is (630) 420-2323.
- Does Joseph Donzelli accept Medicare?
- Joseph Donzelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Donzelli's NPI active?
- Yes — Joseph Donzelli's NPI (1508938952) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.