John R. Lang, OD
- Medicare patients, 2024
- 43
- Industry payments
- $54
- Affiliated sites
- 3
- Medical groups
- 3
- State license
- 1
- Practice address
- 904 W North Ave, Melrose Park, IL 60160
- Practice phone
- Call (708) 343-9009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pearle Vision Express
Eye care practice · Melrose Park, Illinois
Find John Lang'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 R. Lang is an optometrist in Melrose Park, Illinois
John Lang practices at Pearle Vision Express in Melrose Park, Illinois.
John Lang's NPI, 1225022783, was assigned on September 9, 2005. John Lang graduated from Illinois College of Optometry at Chicago in 1988.
- NPI
- 1225022783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426148446
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 343-9009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John R. Lang practices at Pearle Vision Express in Melrose Park, Illinois
John Lang's primary practice is Pearle Vision Express, at 904 W North Ave, Melrose Park, IL 60160. The practice phone is (708) 343-9009.
- Pearle Vision Express904 W North Ave, Melrose Park, IL 60160Phone(708) 343-9009
Source: Dmand AI Affiliation Data
John R. Lang is affiliated with 3 sites of care and 3 medical groups
John Lang's primary practice is Pearle Vision Express in Melrose Park, Illinois. Dmand AI also links John Lang to 3 medical groups and 2 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John R. Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Lang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pearle Vision Express | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John R. Lang is one of 2,194 optometrists in Illinois
Optometrist is John Lang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Lang has a license on file in Illinois.
Specialties and state licenses
- Optometrist, Illinois
Optometrists near John Lang
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 R. Lang treated 43 Medicare patients in 2024, average age 75
CMS counts 43 Medicare patients who saw John Lang in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Lang's median patient age at 70, with 55% women.
John Lang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Lang's Medicare patients by sex, 2024
- Women2660%
- Men1740%
Chronic conditions among John Lang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis40%
- Diabetes35%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
John Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John R. Lang takes part in Medicare
John Lang 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)
John R. Lang received $54 in industry payments in 2025
CMS Open Payments shows 3 general payments to John Lang from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $31.
Companies that paid John Lang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John R. Lang graduated from Illinois College of Optometry at Chicago
John Lang graduated from Illinois College of Optometry at Chicago in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John R. Lang'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 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) |
| 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) |
| 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 R. Lang
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 R. Lang's NPI number?
John R. Lang's NPI number is 1225022783. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What does John R. Lang specialize in?
John R. Lang is an optometrist in Melrose Park, Illinois. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John R. Lang practice?
John Lang practices at 904 W North Ave, Melrose Park, IL 60160. John Lang's primary practice is Pearle Vision Express in Melrose Park, Illinois. Dmand AI also links John Lang to 3 medical groups and 2 group practices and clinics.
What is John R. Lang's office phone number?
The practice phone on file for John Lang is (708) 343-9009.
Does John R. Lang accept Medicare?
Yes. CMS lists John Lang as accepting Medicare assignment.
How many Medicare patients does John R. Lang see?
CMS counts 43 Medicare patients who saw John Lang in 2024, with an average age of 75.
Where did John R. Lang go to medical school?
John Lang graduated from Illinois College of Optometry at Chicago in 1988.
Has John R. Lang received payments from drug or device companies?
CMS Open Payments shows $54 in general payments to John Lang from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has John R. Lang been practicing?
John Lang graduated from medical school in 1988, 38 years ago.
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