Robert Lejawa, D.O.
NPI 1265592596 · Family Medicine Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Lejawa, D.O. is a Family Medicine Physician provider in Naperville, IL (NPI 1265592596).
Provider details
- NPI number
- 1265592596
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 49846-021 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
267 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 | 127 | $120 |
| 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 | 90 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $121 |
| Assessment of Emotional Or Behavioral Problems96127 | 17 | $4 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 MinutesG0136 | 11 | $18 |
Typical Medicare-allowed amounts for these services range $4–$121 (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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 235 | 71 |
| Amlodipine Besylate | 152 | 39 |
| Losartan Potassium | 110 | 29 |
| Metformin Hcl | 94 | 32 |
| Levothyroxine Sodium | 85 | 24 |
| Montelukast Sodium | 78 | 36 |
| Duloxetine Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 8645 Rachel Freeman WayCharlotte, NC 28278-9567Phone: (704) 316-3608
- 8820 Rachel Freeman WayCharlotte, NC 28278-9510Phone: (704) 316-3608Fax: (704) 316-3609
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Robert Lejawa's NPI number?
- Robert Lejawa's National Provider Identifier (NPI) is 1265592596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Lejawa's specialty?
- Robert Lejawa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Lejawa located?
- Robert Lejawa's practice location on file with NPPES is 120 Spalding Dr., Naperville, IL 60540-6557.
- What is Robert Lejawa's phone number?
- The practice phone number listed in the NPPES registry for Robert Lejawa is (630) 527-5575.
- Does Robert Lejawa accept Medicare?
- Robert Lejawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Lejawa's NPI active?
- Yes — Robert Lejawa's NPI (1265592596) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.