Jennifer Zakko, MD
NPI 1619468428 · Internal Medicine Physician · Chicago, IL
Jennifer Zakko, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1619468428).
Provider details
- NPI number
- 1619468428
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125072274 (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 tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 80 | 35 |
| Amlodipine Besylate | 58 | 31 |
| Levothyroxine Sodium | 40 | 17 |
| Losartan Potassium | 35 | 11 |
| Lisinopril | 27 | 13 |
| Metformin Hcl | 22 | — |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$614 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1650 W Harrison StChicago, IL 60612Phone: (312) 942-5000
Registry dates
- Enumerated
- 2018-05-29
- Last updated
- 2021-10-28
- Certified
- 2021-10-28
Frequently asked questions
- What is Jennifer Zakko's NPI number?
- Jennifer Zakko's National Provider Identifier (NPI) is 1619468428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Zakko's specialty?
- Jennifer Zakko is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Zakko located?
- Jennifer Zakko's practice location on file with NPPES is 676 N Saint Clair St Ste 415, Chicago, IL 60611-3133.
- What is Jennifer Zakko's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Zakko is (312) 926-3627.
- Is Jennifer Zakko's NPI active?
- Yes — Jennifer Zakko's NPI (1619468428) is active in the NPPES registry as of the last update on 2021-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.