Cassandra Lopez, MD
NPI 1619125317 · Family Medicine Physician · Belvidere, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Lopez, MD is a Family Medicine Physician provider in Belvidere, IL (NPI 1619125317).
Provider details
- NPI number
- 1619125317
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125053577 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
601 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 | 183 | $121 |
| 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 | 157 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 146 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 | $123 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 389 | 108 |
| Amlodipine Besylate | 195 | 50 |
| Levothyroxine Sodium | 178 | 42 |
| Losartan Potassium | 136 | 35 |
| Lisinopril | 117 | 36 |
| Omeprazole | 112 | 29 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-05
- Last updated
- 2021-02-19
- Certified
- 2021-02-19
Frequently asked questions
- What is Cassandra Lopez's NPI number?
- Cassandra Lopez's National Provider Identifier (NPI) is 1619125317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Lopez's specialty?
- Cassandra Lopez is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cassandra Lopez located?
- Cassandra Lopez's practice location on file with NPPES is 1700 Henry Luckow Ln, Belvidere, IL 61008.
- What is Cassandra Lopez's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Lopez is (779) 696-8650.
- Does Cassandra Lopez accept Medicare?
- Cassandra Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Lopez's NPI active?
- Yes — Cassandra Lopez's NPI (1619125317) is active in the NPPES registry as of the last update on 2021-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.