Colleen Weiler, D.O.
NPI 1619134996 · Family Medicine Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Weiler, D.O. is a Family Medicine Physician provider in Oak Park, IL (NPI 1619134996).
Provider details
- NPI number
- 1619134996
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036125866 (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
18 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
237 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 | 74 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $97 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 62 | $140 |
| Administration of Influenza Virus VaccineG0008 | 20 | $34 |
| 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 | 19 | $17 |
Typical Medicare-allowed amounts for these services range $17–$140 (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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 204 | 64 |
| Amlodipine Besylate | 114 | 35 |
| Lisinopril | 97 | 31 |
| Hydrochlorothiazide | 94 | 28 |
| Levothyroxine Sodium | 79 | 25 |
| Losartan Potassium | 78 | 22 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-22
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is Colleen Weiler's NPI number?
- Colleen Weiler's National Provider Identifier (NPI) is 1619134996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Weiler's specialty?
- Colleen Weiler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Weiler located?
- Colleen Weiler's practice location on file with NPPES is 1100 Lake St Ste 230, Oak Park, IL 60301-1095.
- What is Colleen Weiler's phone number?
- The practice phone number listed in the NPPES registry for Colleen Weiler is (331) 221-9001.
- Does Colleen Weiler accept Medicare?
- Colleen Weiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Weiler's NPI active?
- Yes — Colleen Weiler's NPI (1619134996) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.