John M. Lancaster, OD
- Medicare patients, 2024
- 228
- Part D claims, 2024
- 55
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 19110 Darvin Dr Ste A, Mokena, IL 60448
- Practice phone
- Call (708) 478-8889
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center for Minimally Invasive Surgery
Surgery Center - Medicare-Certified · Mokena, Illinois
Find John Lancaster'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.
John M. Lancaster is an optometrist in Mokena, Illinois
John Lancaster practices at Center for Minimally Invasive Surgery in Mokena, Illinois.
John Lancaster's NPI, 1609951474, was assigned on October 27, 2006. John Lancaster graduated from Illinois College of Optometry at Chicago in 1973. John Lancaster holds Illinois license 046-006543.
- NPI
- 1609951474NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971686379
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 478-8889
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John M. Lancaster practices at Center for Minimally Invasive Surgery in Mokena, Illinois
John Lancaster's primary practice is Center for Minimally Invasive Surgery, at 19110 Darvin Dr Ste A, Mokena, IL 60448. The practice phone is (708) 478-8889.
- Center for Minimally Invasive Surgery19110 Darvin Dr Ste A, Mokena, IL 60448Phone(708) 478-8889
Source: Dmand AI Affiliation Data
John M. Lancaster is affiliated with 2 sites of care
John Lancaster's primary practice is Center for Minimally Invasive Surgery in Mokena, Illinois. Dmand AI also links John Lancaster to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John M. Lancaster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Lancaster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center for Minimally Invasive Surgery | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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John M. Lancaster is one of 2,194 optometrists in Illinois
Optometrist is John Lancaster's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Lancaster is licensed in Illinois.
Specialties and state licenses
- Optometrist, IllinoisPrimary
Optometrists near John Lancaster
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
John M. Lancaster treated 228 Medicare patients in 2024, average age 75
CMS counts 228 Medicare patients who saw John Lancaster in 2024. The largest group is 65 to 74, with 105 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Lancaster's median patient age at 72, with 56% women.
John Lancaster's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Lancaster's Medicare patients by sex, 2024
- Women14162%
- Men8738%
Chronic conditions among John Lancaster's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes28%
- Anxiety22%
- Ischemic heart disease22%
- Chronic kidney disease21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
John Lancaster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John M. Lancaster wrote 55 Medicare Part D claims in 2024
In 2024, John Lancaster wrote 55 Medicare Part D claims for 28 patients. 69% of them were for generic drugs.
John Lancaster's Part D claims by kind of drug, 2024
- Generic38 claims69%
- Brand-name17 claims31%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
John M. Lancaster ranks in the 65th percentile for cataract surgery in Medicare
John Lancaster accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 57 procedures of cataract surgery by John Lancaster, more than 65% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where John Lancaster ranks in Medicare procedure volume
- Cataract surgery
- 65th percentile57 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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John M. Lancaster graduated from Illinois College of Optometry at Chicago
John Lancaster graduated from Illinois College of Optometry at Chicago in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John M. Lancaster'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 John M. Lancaster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John M. Lancaster's NPI number?
John M. Lancaster's NPI number is 1609951474. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What does John M. Lancaster specialize in?
John M. Lancaster is an optometrist in Mokena, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John M. Lancaster practice?
John Lancaster practices at 19110 Darvin Dr Ste A, Mokena, IL 60448. John Lancaster's primary practice is Center for Minimally Invasive Surgery in Mokena, Illinois. Dmand AI also links John Lancaster to 1 physician office.
What is John M. Lancaster's office phone number?
The practice phone on file for John Lancaster is (708) 478-8889.
What is John M. Lancaster's medical license number?
John Lancaster holds Illinois license 046-006543.
Does John M. Lancaster accept Medicare?
Yes. CMS lists John Lancaster as accepting Medicare assignment.
How many Medicare patients does John M. Lancaster see?
CMS counts 228 Medicare patients who saw John Lancaster in 2024, with an average age of 75.
Where did John M. Lancaster go to medical school?
John Lancaster graduated from Illinois College of Optometry at Chicago in 1973.
How long has John M. Lancaster been practicing?
John Lancaster graduated from medical school in 1973, 53 years ago.
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