Kerry M. John, OD
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 24
- Industry payments
- $192
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 5201 S Willow Springs Rd- Suite 440, Lagrange, IL 60525
- Practice phone
- Call (708) 482-3213
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dermatology Associates of La Grange
Clinical Lab - Full Service · Lagrange, Illinois
Find Kerry John's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Kerry M. John is an optometrist in La Grange Highlands, Illinois
Kerry John practices at Dermatology Associates of La Grange in Lagrange, Illinois.
Kerry John's NPI, 1891788212, was assigned on August 31, 2005. Kerry John holds Illinois license 046009289.
- NPI
- 1891788212NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244135960
- NPI enumeration date
- August 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 482-3213
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Kerry M. John practices at Dermatology Associates of La Grange in Lagrange, Illinois
Kerry John's primary practice is Dermatology Associates of La Grange, at 5201 S Willow Springs Rd- Suite 440, Lagrange, IL 60525. The practice phone is (708) 482-3213.
- Dermatology Associates of La Grange5201 S Willow Springs Rd- Suite 440, Lagrange, IL 60525Phone(708) 482-3213
Source: Dmand AI Affiliation Data
Kerry M. John is affiliated with 3 sites of care and 2 medical groups
Kerry John's primary practice is Dermatology Associates of La Grange in Lagrange, Illinois. Dmand AI also links Kerry John to 2 medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Kerry M. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kerry John practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dermatology Associates of La Grange | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Kerry M. John is one of 2,194 optometrists in Illinois
Optometrist is Kerry John's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Kerry John is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near Kerry John
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Kerry M. John treated 98 Medicare patients in 2024, average age 74
CMS counts 98 Medicare patients who saw Kerry John in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kerry John's median patient age at 62, with 59% women.
Kerry John's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Kerry John's Medicare patients by sex, 2024
- Women6364%
- Men3536%
Chronic conditions among Kerry John's Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
- Arthritis38%
- Ischemic heart disease21%
- Cancer18%
- Osteoporosis15%
- Anxiety14%
- Diabetes13%
Share of Medicare patients with each condition. A patient can have several.
Kerry John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kerry M. John wrote 24 Medicare Part D claims in 2024
In 2024, Kerry John wrote 24 Medicare Part D claims for 15 patients. 88% of them were for generic drugs.
Kerry John's Part D claims by kind of drug, 2024
- Generic21 claims88%
- Brand-name and other3 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Kerry M. John takes part in Medicare
Kerry John accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Kerry M. John received $192 in industry payments in 2025
CMS Open Payments shows 4 general payments to Kerry John from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $134.
Companies that paid Kerry John the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Kerry M. John's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Kerry M. John
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kerry M. John's NPI number?
Kerry M. John's NPI number is 1891788212. It was assigned on August 31, 2005, and it is active in the NPI Registry.
What does Kerry M. John specialize in?
Kerry M. John is an optometrist in La Grange Highlands, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Kerry M. John practice?
Kerry John practices at 5201 S Willow Springs Rd- Suite 440, Lagrange, IL 60525. Kerry John's primary practice is Dermatology Associates of La Grange in Lagrange, Illinois. Dmand AI also links Kerry John to 2 medical groups, 1 physician office and 1 group practice or clinic.
What is Kerry M. John's office phone number?
The practice phone on file for Kerry John is (708) 482-3213.
What is Kerry M. John's medical license number?
Kerry John holds Illinois license 046009289.
Does Kerry M. John accept Medicare?
Yes. CMS lists Kerry John as accepting Medicare assignment.
How many Medicare patients does Kerry M. John see?
CMS counts 98 Medicare patients who saw Kerry John in 2024, with an average age of 74.
Has Kerry M. John received payments from drug or device companies?
CMS Open Payments shows $192 in general payments to Kerry John from 4 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Kerry M. John been practicing?
Kerry John graduated from medical school in 2000, 26 years ago.
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