Jennifer Zakko, MD
Internal Medicine Physician · Chicago, IL
Jennifer Zakko, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1619468428, issued on May 29, 2018. Check the license (Illinois 036156051, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jennifer Zakko
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036156051 IL
125072274 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 415, Chicago, IL 60611
- Phone
- (312) 926-3627
- Enumerated
- May 29, 2018
- Record last updated
- Oct 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 694-4102
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St Ste 415
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashton Harris, APRN, CNPNurse Practitioner1366293250
- Amy Kissinger, M.D.Internal Medicine Physician1548215841
- Lekshmi Nair, MDInternal Medicine Physician1245677319
- Chase Salazar, MDFamily Medicine Physician1447837018
- Daniel Sepe, MDFamily Medicine Physician1912526567
Verify Jennifer Zakko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036156051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
552 Medicare Part D claims for 108 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium80 claims
- Amlodipine Besylate58 claims
- Levothyroxine Sodium40 claims
- Losartan Potassium35 claims
- Lisinopril27 claims
- Metformin Hcl22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $613.95
5 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jennifer Zakko among 7,238 internal medicine physician records in Illinois
Jennifer Zakko, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 66% of them.
- NPI issued2018 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kenneth Arbetter, MDChicago, IL 606111336132851
- Steven Gallo, MDChicago, IL 606111548253024
- Arnold Grauer, MDChicago, IL 606111619960184
- James Hall, MDChicago, IL 606111649263153
- Frances Langdon, MDChicago, IL 606111063405546
- Michael Lee, MDChicago, IL 606111942293451
- Hazel Manzano, MDChicago, IL 606111801889316
- Chadwick Milstead, MDChicago, IL 606111740273259
Common questions
What is Jennifer Zakko, MD's NPI number?
Jennifer Zakko, MD's National Provider Identifier (NPI) is 1619468428, issued on May 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Zakko, MD located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 415, Chicago, IL, 60611. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Zakko, MD's license?
NPPES lists Illinois license number 036156051, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennifer Zakko, MD prescribe under Medicare Part D?
In 2024, Jennifer Zakko, MD had 552 Medicare Part D claims for 108 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jennifer Zakko, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.