David Dungan, MD
NPI 1558336057 · Internal Medicine Physician · Lombard, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Dungan, MD is a Internal Medicine Physician provider in Lombard, IL (NPI 1558336057).
Provider details
- NPI number
- 1558336057
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036080192 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
957 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 181 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 121 | $9 |
| Blood Test, Clotting Time85610 | 79 | $4 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 78 | $13 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 69 | $10 |
| Hemoglobin A1c Level83036 | 62 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 461 | 134 |
| Amlodipine Besylate | 243 | 70 |
| Levothyroxine Sodium | 222 | 55 |
| Metoprolol Succinate | 214 | 62 |
| Rosuvastatin Calcium | 187 | 56 |
| Lisinopril | 185 | 59 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-20
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is David Dungan's NPI number?
- David Dungan's National Provider Identifier (NPI) is 1558336057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dungan's specialty?
- David Dungan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Dungan located?
- David Dungan's practice location on file with NPPES is 1801 S Highland Ave, Lombard, IL 60148-4932.
- What is David Dungan's phone number?
- The practice phone number listed in the NPPES registry for David Dungan is (630) 627-4722.
- Does David Dungan accept Medicare?
- David Dungan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Dungan's NPI active?
- Yes — David Dungan's NPI (1558336057) 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.