Mallory Paulette Kosow
Physician Assistant · Oak Lawn, IL
Mallory Paulette Kosow is a physician assistant with a practice address in Oak Lawn, Illinois, and NPI 1548930431, issued on Sep 14, 2021. Check the license (Illinois 085.008163, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory Paulette Kosow
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085.008163 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4400 W 95TH St Ste 413, Oak Lawn, IL 60453
- Phone
- (708) 346-4055
- Enumerated
- Sep 14, 2021
- Record last updated
- Dec 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20220107001581); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2020
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 4400 W 95TH St Ste 413
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Balash, M.D.Surgery Physician1073741625
- Ameer Gomberawalla, M.D.Surgery Physician1659671675
- Jason Zimmermann, M.D.Surgery Physician1083001077
Verify Mallory Paulette Kosow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085.008163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physician assistant in 2024
99 Medicare Part D claims for 81 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 75 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen57 claims
- Tramadol Hcl16 claims
- Levothyroxine Sodium12 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
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mallory Paulette Kosow among 4,926 physician assistant records in Illinois
Mallory Paulette Kosow is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2019 among the 3,407 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 physician assistant records list a practice address in Oak Lawn
They are 57 of the 2,993 NPPES records with a practice address in Oak Lawn, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Oak Lawn → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anuprit Ahuja, PA-COak Lawn, IL 604531043699184
- John Ancona, PAOak Lawn, IL 604531003891649
- Christina Caraballo, PA-COak Lawn, IL 604531295155646
- Allyson Glowicki, P.A.Oak Lawn, IL 604531356873004
- Rebecca Levy, PAOak Lawn, IL 604531265539241
- Paige Maniakouras, MMS, PA-COak Lawn, IL 604531831649730
- Sarah Manning, PA-COak Lawn, IL 604531255878518
- Ellen McConnell, PA-COak Lawn, IL 604531033583562
Common questions
What is Mallory Paulette Kosow's NPI number?
Mallory Paulette Kosow's National Provider Identifier (NPI) is 1548930431, issued on Sep 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mallory Paulette Kosow located?
The NPPES record lists a practice address at 4400 W 95TH St Ste 413, Oak Lawn, IL, 60453. Phone: (708) 346-4055. Providers update this record themselves, so call before visiting.
How can I verify Mallory Paulette Kosow's license?
NPPES lists Illinois license number 085.008163, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mallory Paulette Kosow prescribe under Medicare Part D?
In 2024, Mallory Paulette Kosow had 99 Medicare Part D claims for 81 beneficiaries; the average among physician assistant prescribers was 830. 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.