Kathryn Ann Walker, MD
Family Medicine Physician · Naperville, IL
Kathryn Ann Walker, MD is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1235396201, issued on May 19, 2008. Check the license (Illinois 036128253, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathryn Ann Walker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036128253 IL
11014180A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1247 Rickert Dr, Naperville, IL 60540
- Phone
- (630) 357-7979
- Enumerated
- May 19, 2008
- Record last updated
- Jan 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 357-1047
- Medicare enrollment
- Enrolled (PECOS I20110805000706); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1247 Rickert Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan GibsonFamily Medicine Physician1740579820
- Lori Gilmour, R. PH.Pharmacist1093087199
- Ronald Glas, MDFamily Medicine Physician1720075484
- Scott Kaszuba, MDOtolaryngology Physician1518994508
- Andrew LunardiniPharmacist1154694149
- Alyssa Papuga, DOFamily Medicine Physician1144665654
Verify Kathryn Ann Walker 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 036128253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average family medicine physician in 2024
3,855 Medicare Part D claims for 374 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium325 claims
- Levothyroxine Sodium292 claims
- Rosuvastatin Calcium213 claims
- Losartan Potassium172 claims
- Metformin Hcl123 claims
- Metoprolol Succinate115 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): 91.4 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: $20.60
1 payment: food and beverage; the largest payer was Mylan Specialty L.P. The 55,478 providers of this specialty with any payment received $902.55 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
- Endeavor Health Medical GroupElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Ann Walker among 6,215 family medicine physician records in Illinois
Kathryn Ann Walker, MD is one of 6,215 family medicine physician 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2008 · median 2006 among the 3,714 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 family medicine physician records list a practice address in Naperville
They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Naperville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Carducci, M.D.Naperville, IL 605401093762338
- Karla Dorsey-Johnson, MDNaperville, IL 605401245205731
- Stephanie Dressler, PA CNaperville, IL 605401629068234
- Hiam Eldewek, D.O.Naperville, IL 605401639128309
- Michael Fitzgerald, MDNaperville, IL 605401346215407
- Fowzia Ghouse, MDNaperville, IL 605401215923826
- Ronald Glas, MDNaperville, IL 605401720075484
- Kaleem Khan, M.D.Naperville, IL 605401619917713
Common questions
What is Kathryn Ann Walker, MD's NPI number?
Kathryn Ann Walker, MD's National Provider Identifier (NPI) is 1235396201, issued on May 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Ann Walker, MD located?
The NPPES record lists a practice address at 1247 Rickert Dr, Naperville, IL, 60540. Phone: (630) 357-7979. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Ann Walker, MD's license?
NPPES lists Illinois license number 036128253, 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 Kathryn Ann Walker, MD prescribe under Medicare Part D?
In 2024, Kathryn Ann Walker, MD had 3,855 Medicare Part D claims for 374 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Kathryn Ann Walker, MD's MIPS final score?
The 2023 MIPS final score is 91.4 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.