Mary K. Osborne, APN
Family Nurse Practitioner · Chicago, IL
Mary K. Osborne, APN is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1639621071, issued on Nov 2, 2016. Check the license (Illinois 209014944, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary K. Osborne
- Credential
- APN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209014944 IL
209.014944 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2418 W Division St, Chicago, IL 60622
- Phone
- (312) 666-3494
- Enumerated
- Nov 2, 2016
- Record last updated
- Aug 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170307001471); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 2418 W Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Benavente, MDFamily Medicine Physician1518301399
- Evelyn Cato, A.P.N.Family Nurse Practitioner1982911327
- Christina Cedeno, M.D.Pediatrics Physician1215257522
- Allison Clark Young, APNPediatric Nurse Practitioner1487023461
- Mary Foley, CPNPPediatric Nurse Practitioner1235148032
- Leslie Gardner, CNM, APNAdvanced Practice Midwife1548352479
Verify Mary K. Osborne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209014944Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average family nurse practitioner in 2024
637 Medicare Part D claims for 33 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium76 claims
- Lisinopril46 claims
- Metformin Hcl37 claims
- Montelukast Sodium31 claims
- Albuterol Sulfate Hfa23 claims
- Alcohol Prep Pads20 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.
Bills Medicare through one group practice
- Erie Family Health Center, IncChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary K. Osborne among 7,639 family nurse practitioner records in Illinois
Mary K. Osborne, APN 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 2016, is newer than 30% of them.
- NPI issued2016 · 30% of these records are older, 63% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2018 among the 4,778 with a school on file
- Record last updated2021 · 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
- Amy Becklenberg, APNChicago, IL 606221760558589
- Marianne Butler, APNChicago, IL 606221518228915
- Evelyn Cato, A.P.N.Chicago, IL 606221982911327
- Katherine Flechet, APNChicago, IL 606221255752192
- Staci Gorson, FNP-BCChicago, IL 606221306274022
- Emily Hendel, CNP, MSChicago, IL 606221417118613
- Ann McCormick, APNChicago, IL 606221063436889
- Mary-Anne Meyer, APNChicago, IL 606221811918402
Common questions
What is Mary K. Osborne, APN's NPI number?
Mary K. Osborne, APN's National Provider Identifier (NPI) is 1639621071, issued on Nov 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary K. Osborne, APN located?
The NPPES record lists a practice address at 2418 W Division St, Chicago, IL, 60622. Phone: (312) 666-3494. Providers update this record themselves, so call before visiting.
How can I verify Mary K. Osborne, APN's license?
NPPES lists Illinois license number 209014944, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary K. Osborne, APN prescribe under Medicare Part D?
In 2024, Mary K. Osborne, APN had 637 Medicare Part D claims for 33 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.