Jennifer Boyer Greenfield, APN
Adult Health Nurse Practitioner · Chicago, IL
Jennifer Boyer Greenfield, APN is an adult health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1942842505, issued on Oct 15, 2019. Check the license (Illinois 309.019152041.424949, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer Boyer Greenfield
- Credential
- APN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 309.019152041.424949 IL
Self-reported in NPPES; status is on the state search - Practice location
- 675 N Saint Clair St FL 21, Chicago, IL 60611
- Phone
- (312) 695-0990
- Enumerated
- Oct 15, 2019
- Record last updated
- Aug 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20200122001968); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 675 N Saint Clair St FL 21
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roxanna LopezRegistered Dietitian1619467644
- Jenna Sniegowski, PA-CMedical Physician Assistant1063817013
- Corinne Williams, PA-CPhysician Assistant1740664325
Verify Jennifer Boyer Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 309.019152041.424949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
926 Medicare Part D claims for 128 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Brukinsa321 claims
- Calquence173 claims
- Acyclovir152 claims
- Venclexta59 claims
- Imbruvica56 claims
- Allopurinol42 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: $4,743.52
17 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,291 providers of this specialty with any payment received $946.40 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adult Health Nurse Practitioner providers in Illinois
There are 743 adult health nurse practitioner records in Illinois.
Other adult health nurse practitioner records in Illinois
- Rowena Abasolo, A.P.N.Elk Grove Village, IL1891099776
- Gloria Abenes, NPMount Vernon, IL1316000219
- Annamma Abraham, NPElmhurst, IL1306117767
- Michelle Absolam, APNChicago, IL1871737486
- Sara Acosta, FNP-CLong Grove, IL1831548478
- Sara Adams, ANPChicago, IL1902108913
- Tobi Adeoti, NPElgin, IL1720534316
- Cesyl Adina, APNRolling Meadows, IL1871033282
- Jessica Afarin, NPChicago, IL1871962183
- Dolly Agba, NURSE PRACTITIONERJoliet, IL1023027869
Common questions
What is Jennifer Boyer Greenfield, APN's NPI number?
Jennifer Boyer Greenfield, APN's National Provider Identifier (NPI) is 1942842505, issued on Oct 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Boyer Greenfield, APN located?
The NPPES record lists a practice address at 675 N Saint Clair St FL 21, Chicago, IL, 60611. Phone: (312) 695-0990. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Boyer Greenfield, APN's license?
NPPES lists Illinois license number 309.019152041.424949, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer Boyer Greenfield, APN prescribe under Medicare Part D?
In 2024, Jennifer Boyer Greenfield, APN had 926 Medicare Part D claims for 128 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Jennifer Boyer Greenfield, APN'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.