Lori Zimmers, M.D.
NPI 1588734818 · Internal Medicine Physician · St Charles, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lori Zimmers, M.D. is a Internal Medicine Physician provider in St Charles, IL (NPI 1588734818).
Provider details
- NPI number
- 1588734818
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036-096347 (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
19 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
1,889 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 428 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 353 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 346 | $135 |
| 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 | 328 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 97 | $190 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 738 | 206 |
| Levothyroxine Sodium | 569 | 154 |
| Amlodipine Besylate | 411 | 125 |
| Losartan Potassium | 355 | 107 |
| Metoprolol Succinate | 314 | 95 |
| Lisinopril | 253 | 76 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2013-12-02
Frequently asked questions
- What is Lori Zimmers's NPI number?
- Lori Zimmers's National Provider Identifier (NPI) is 1588734818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lori Zimmers's specialty?
- Lori Zimmers is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lori Zimmers located?
- Lori Zimmers's practice location on file with NPPES is 2900 Foxfield Rd, St Charles, IL 60174-5799.
- What is Lori Zimmers's phone number?
- The practice phone number listed in the NPPES registry for Lori Zimmers is (630) 208-3200.
- Does Lori Zimmers accept Medicare?
- Lori Zimmers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lori Zimmers's NPI active?
- Yes — Lori Zimmers's NPI (1588734818) is active in the NPPES registry as of the last update on 2013-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.