Eileen Collins, M.D.
NPI 1851359103 · Internal Medicine Physician · Lombard, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eileen Collins, M.D. is a Internal Medicine Physician provider in Lombard, IL (NPI 1851359103).
Provider details
- NPI number
- 1851359103
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-093296 (IL)
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
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,564 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 628 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 586 | $93 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 429 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 418 | $131 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 378 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 378 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 594 | 149 |
| Atorvastatin Calcium | 438 | 123 |
| Rosuvastatin Calcium | 330 | 101 |
| Amlodipine Besylate | 316 | 88 |
| Losartan Potassium | 282 | 81 |
| Omeprazole | 266 | 86 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2022-06-10
- Certified
- 2022-06-10
Frequently asked questions
- What is Eileen Collins's NPI number?
- Eileen Collins's National Provider Identifier (NPI) is 1851359103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Collins's specialty?
- Eileen Collins is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eileen Collins located?
- Eileen Collins's practice location on file with NPPES is 2340 S Highland Ave, Lombard, IL 60148-5371.
- What is Eileen Collins's phone number?
- The practice phone number listed in the NPPES registry for Eileen Collins is (630) 932-2020.
- Does Eileen Collins accept Medicare?
- Eileen Collins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eileen Collins's NPI active?
- Yes — Eileen Collins's NPI (1851359103) is active in the NPPES registry as of the last update on 2022-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.