Jennifer Mainor, FNP
Family Nurse Practitioner · Chicago, IL
Jennifer Mainor, FNP is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1467979260, issued on Aug 23, 2017. Check the license (Illinois 209015853, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer Mainor
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 209015853 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3348 W 87TH St, Chicago, IL 60652
- Phone
- (773) 776-4471
- Enumerated
- Aug 23, 2017
- Record last updated
- Aug 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (773) 564-3510
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 3348 W 87TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maliha Khan, DPMFoot & Ankle Surgery Podiatrist1790165959
Verify Jennifer Mainor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209015853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average family nurse practitioner in 2024
273 Medicare Part D claims for 123 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate21 claims
- Atorvastatin Calcium12 claims
- Gabapentin11 claims
- Losartan Potassium11 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.
Industry payments in 2024: $75.82
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 99,489 providers of this specialty with any payment received $650.95 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 Mainor among 7,639 family nurse practitioner records in Illinois
Jennifer Mainor, FNP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 37% of them.
- NPI issued2017 · 37% of these records are older, 56% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2017 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Nakia Campbell, NPChicago, IL 606521508425083
- Andrea PowellChicago, IL 606521689298267
- Elvira Ruiz Garate, NPChicago, IL 606521184494213
- Diane Thomas, DNP, FNP-BCChicago, IL 606521992953152
- Latonya Vaughn, FNPChicago, IL 606521760959209
- Carolle DerradjiChicago, IL 606511265033385
- Ida Dixon, FNPChicago, IL 606531871861260
- Oluwakemi Edoigiawerie, RN, MSN, FNPChicago, IL 606531699439752
Common questions
What is Jennifer Mainor, FNP's NPI number?
Jennifer Mainor, FNP's National Provider Identifier (NPI) is 1467979260, issued on Aug 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Mainor, FNP located?
The NPPES record lists a practice address at 3348 W 87TH St, Chicago, IL, 60652. Phone: (773) 776-4471. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Mainor, FNP's license?
NPPES lists Illinois license number 209015853, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer Mainor, FNP prescribe under Medicare Part D?
In 2024, Jennifer Mainor, FNP had 273 Medicare Part D claims for 123 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.