Diane Egli, PA-C
NPI 1639424476 · Physician Assistant · Warrenville, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Egli, PA-C is a Physician Assistant provider in Warrenville, IL (NPI 1639424476).
Provider details
- NPI number
- 1639424476
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 002309 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
435 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 131 | $163 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 110 | $114 |
| 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 | 110 | $15 |
| Pelvic Exam99459 | 84 | $20 |
Typical Medicare-allowed amounts for these services range $15–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 39 | — |
| Gabapentin | 27 | — |
| Lorazepam | 20 | 14 |
| Apixabanbrand: Eliquis | 20 | — |
| Dexamethasone | 19 | 13 |
| Ondansetronbrand: Ondansetron Odt | 17 | 14 |
| Prochlorperazine Maleate | 15 | 11 |
Practice location
Mailing address
Additional practice locations (2)
- 304 Randall RdGeneva, IL 60134-4200Phone: (630) 232-0610Fax: (630) 232-0675
- 25 N Winfield Rd Ste 2202Winfield, IL 60190-1379Phone: (630) 352-5450Fax: (630) 933-4959
Registry dates
- Enumerated
- 2012-07-18
- Last updated
- 2025-11-14
- Certified
- 2025-11-14
Frequently asked questions
- What is Diane Egli's NPI number?
- Diane Egli's National Provider Identifier (NPI) is 1639424476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Egli's specialty?
- Diane Egli is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Egli located?
- Diane Egli's practice location on file with NPPES is 4405 Weaver Pkwy, Warrenville, IL 60555-3269.
- What is Diane Egli's phone number?
- The practice phone number listed in the NPPES registry for Diane Egli is (630) 352-5450.
- Does Diane Egli accept Medicare?
- Diane Egli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Egli's NPI active?
- Yes — Diane Egli's NPI (1639424476) is active in the NPPES registry as of the last update on 2025-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.