Cecilia Zhang
NPI 1821522319 · Internal Medicine Physician · Evanston, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cecilia Zhang is a Internal Medicine Physician provider in Evanston, IL (NPI 1821522319).
Provider details
- NPI number
- 1821522319
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
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
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
671 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 | 227 | $103 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 171 | $137 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 82 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $150 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $70 |
| Prolonged Preventive Service(s) (beyond the Typical Service Time of the Primary Procedure), in the Office Or Other Outpatient Setting Requiring Direct Patient Contact Beyond the Usual Service; First 30 Minutes (list Separately in Addition to Code for Preve |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 432 | 134 |
| Levothyroxine Sodium | 247 | 68 |
| Amlodipine Besylate | 219 | 75 |
| Losartan Potassium | 146 | 48 |
| Rosuvastatin Calcium | 138 | 51 |
| Omeprazole | 134 | 44 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-12
- Last updated
- 2020-09-01
- Certified
- 2020-09-01
Frequently asked questions
- What is Cecilia Zhang's NPI number?
- Cecilia Zhang's National Provider Identifier (NPI) is 1821522319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cecilia Zhang's specialty?
- Cecilia Zhang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cecilia Zhang located?
- Cecilia Zhang's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201-1718.
- What is Cecilia Zhang's phone number?
- The practice phone number listed in the NPPES registry for Cecilia Zhang is (847) 570-4789.
- Does Cecilia Zhang accept Medicare?
- Cecilia Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cecilia Zhang's NPI active?
- Yes — Cecilia Zhang's NPI (1821522319) is active in the NPPES registry as of the last update on 2020-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.