Jack Armstrong York, D.O
Family Medicine Physician · Waukegan, IL
Jack Armstrong York, D.O is a family medicine physician with a practice address in Waukegan, Illinois, and NPI 1033645023, issued on May 11, 2017. Check the license (Illinois 036.153237, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jack Armstrong York
- Credential
- D.O
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 036.153237 IL
1033645023 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2323 Grand Ave, Waukegan, IL 60085
- Phone
- (847) 666-3494
- Enumerated
- May 11, 2017
- Record last updated
- Aug 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210826000626); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 2323 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Markell AdamsPhysician Assistant1922602341
- Adalberto Beltran Perez, MSN, FNP-CFamily Nurse Practitioner1194485102
- Braden DanburyHospitalist Physician1023647948
- Denise Galaviz, RDH,PHDHDental Hygienist1447072301
- Marisol GloverPsychiatric/Mental Health Nurse Practitioner1497027262
- Gena Grospe, D.O.Family Medicine Physician1952837148
Verify Jack Armstrong York 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 036.153237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
649 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 38 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa43 claims
- Atorvastatin Calcium42 claims
- Hydrocodone-Acetaminophen36 claims
- Amlodipine Besylate33 claims
- Buprenorphine-Naloxone29 claims
- Lisinopril24 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).
Jack Armstrong York among 6,215 family medicine physician records in Illinois
Jack Armstrong York, D.O 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 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · 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).
17 family medicine physician records list a practice address in Waukegan
They are 17 of the 1,310 NPPES records with a practice address in Waukegan, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Waukegan → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Judith Bowman, MDWaukegan, IL 600851326023037
- Benjamin Calayag, MDWaukegan, IL 600851609969138
- Ben JosephWaukegan, IL 600851245783224
- Richard Keller, M.D.Waukegan, IL 600851437145141
- Jane Malalis, MDWaukegan, IL 600851134136336
- Nabeela Mughal, M.DWaukegan, IL 600851194982413
- Saima Najam, MDWaukegan, IL 600851386930675
- Elizabeth Nodine, M.D.Waukegan, IL 600851346449527
Common questions
What is Jack Armstrong York, D.O's NPI number?
Jack Armstrong York, D.O's National Provider Identifier (NPI) is 1033645023, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jack Armstrong York, D.O located?
The NPPES record lists a practice address at 2323 Grand Ave, Waukegan, IL, 60085. Phone: (847) 666-3494. Providers update this record themselves, so call before visiting.
How can I verify Jack Armstrong York, D.O's license?
NPPES lists Illinois license number 036.153237, 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 Jack Armstrong York, D.O prescribe under Medicare Part D?
In 2024, Jack Armstrong York, D.O had 649 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.