David Donnersberger, MD
NPI 1003927948 · Internal Medicine Physician · Winnetka, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Donnersberger, MD is a Internal Medicine Physician provider in Winnetka, IL (NPI 1003927948).
Provider details
- NPI number
- 1003927948
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036111556 (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
2,648 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 603 | $130 |
| Brief Communication Technology-Based Service, E.g. Virtual Check-In, By a Physician Or Other Qualified Health Care Professional Who Can Report Evaluation and Management Services, Provided to an Established Patient, Not Originating From a Related E/M ServicG2012 | 463 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 352 | $130 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 282 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 184 | $9 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 388 | 114 |
| Levothyroxine Sodium | 283 | 81 |
| Rosuvastatin Calcium | 212 | 61 |
| Amlodipine Besylate | 205 | 61 |
| Lisinopril | 180 | 45 |
| Metoprolol Succinate | 180 | 49 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$330 across 16 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
- 2006-08-31
- Last updated
- 2007-09-14
Frequently asked questions
- What is David Donnersberger's NPI number?
- David Donnersberger's National Provider Identifier (NPI) is 1003927948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Donnersberger's specialty?
- David Donnersberger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Donnersberger located?
- David Donnersberger's practice location on file with NPPES is 530 Winnetka Ave, Winnetka, IL 60093-4023.
- What is David Donnersberger's phone number?
- The practice phone number listed in the NPPES registry for David Donnersberger is (847) 441-6888.
- Does David Donnersberger accept Medicare?
- David Donnersberger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Donnersberger's NPI active?
- Yes — David Donnersberger's NPI (1003927948) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.