David Ulaszek, M.D.
NPI 1215912316 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Ulaszek, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1215912316).
Provider details
- NPI number
- 1215912316
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
Specialties & taxonomies
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
624 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 | 411 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 113 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $94 |
| Administration of Influenza Virus VaccineG0008 | 37 | $33 |
| Hemoglobin A1c Level83036 | 12 | $10 |
Typical Medicare-allowed amounts for these services range $10–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 279 | 90 |
| Amlodipine Besylate | 205 | 66 |
| Metoprolol Succinate | 155 | 48 |
| Lisinopril | 137 | 41 |
| Metformin Hcl | 132 | 36 |
| Levothyroxine Sodium | 120 | 36 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Ulaszek's NPI number?
- David Ulaszek's National Provider Identifier (NPI) is 1215912316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Ulaszek's specialty?
- David Ulaszek is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Ulaszek located?
- David Ulaszek's practice location on file with NPPES is 5525 S Pulaski Rd, Chicago, IL 60629-4417.
- What is David Ulaszek's phone number?
- The practice phone number listed in the NPPES registry for David Ulaszek is (773) 585-1955.
- Does David Ulaszek accept Medicare?
- David Ulaszek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Ulaszek's NPI active?
- Yes — David Ulaszek's NPI (1215912316) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.