John G. Merkling, DC
- Medicare patients, 2024
- 45
- Affiliated sites
- 1
- State licenses
- 3
- Year NPI issued
- 2005
- Practice address
- 2430 Esplanade Dr, Algonquin, IL 60102
- Practice phone
- Call (212) 627-6515
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dermatology Specialists of Illinois, Ltd
Algonquin, Illinois
Find John Merkling'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 G. Merkling is a chiropractor in Algonquin, Illinois
John Merkling practices at Dermatology Specialists of Illinois, Ltd in Algonquin, Illinois.
John Merkling's NPI, 1821095589, was assigned on July 7, 2005. John Merkling graduated from Palmer College Chiropractic - Davenport in 1987. John Merkling holds Illinois license 038006525.
- NPI
- 1821095589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880737485
- NPI enumeration date
- July 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 627-6515
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John G. Merkling practices at Dermatology Specialists of Illinois, Ltd in Algonquin, Illinois
John Merkling's primary practice is Dermatology Specialists of Illinois, Ltd, at 2430 Esplanade Dr, Algonquin, IL 60102 in Mchenry County. The practice phone is (212) 627-6515.
- Dermatology Specialists of Illinois, Ltd2430 Esplanade Dr, Algonquin, IL 60102 · Mchenry CountyPhone(212) 627-6515
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John G. Merkling is affiliated with 2 sites of care
John Merkling's primary practice is Dermatology Specialists of Illinois, Ltd in Algonquin, Illinois. Dmand AI also links John Merkling to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John G. Merkling's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Merkling practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dermatology Specialists of Illinois, Ltd | 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 G. Merkling is one of 2,276 chiropractors in Illinois
Chiropractor is John Merkling's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Dmand AI has John Merkling's licenses on file in 3 states: Illinois, Arkansas and Kentucky.
Specialties and state licenses
- Chiropractor, IllinoisPrimary
- Arkansas license
- Kentucky license
Chiropractors near John Merkling
Counts of chiropractors 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 G. Merkling treated 45 Medicare patients in 2024, average age 77
CMS counts 45 Medicare patients who saw John Merkling in 2024. The largest group is 75 to 84, with 23 patients. 71% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Merkling's median patient age at 55, with 41% women.
John Merkling's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Merkling's Medicare patients by sex, 2024
- Women2453%
- Men2147%
Chronic conditions among John Merkling's Medicare patients, 2024
- High cholesterol71%
- High blood pressure67%
- Diabetes36%
- Arthritis29%
- Ischemic heart disease29%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
John Merkling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John G. Merkling takes part in Medicare
John Merkling 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 G. Merkling graduated from Palmer College Chiropractic - Davenport
John Merkling graduated from Palmer College Chiropractic - Davenport in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John G. Merkling'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 G. Merkling
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 G. Merkling's NPI number?
John G. Merkling's NPI number is 1821095589. It was assigned on July 7, 2005, and it is active in the NPI Registry.
What does John G. Merkling specialize in?
John G. Merkling is a chiropractor in Algonquin, Illinois. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does John G. Merkling practice?
John Merkling practices at 2430 Esplanade Dr, Algonquin, IL 60102. John Merkling's primary practice is Dermatology Specialists of Illinois, Ltd in Algonquin, Illinois. Dmand AI also links John Merkling to 1 physician office.
What is John G. Merkling's office phone number?
The practice phone on file for John Merkling is (212) 627-6515.
What is John G. Merkling's medical license number?
John Merkling holds Illinois license 038006525, one of the licenses on file in 3 states.
Which states has John G. Merkling been licensed in?
Dmand AI has state licenses on file for John Merkling in Illinois, Arkansas and Kentucky.
Does John G. Merkling accept Medicare?
Yes. CMS lists John Merkling as accepting Medicare assignment.
How many Medicare patients does John G. Merkling see?
CMS counts 45 Medicare patients who saw John Merkling in 2024, with an average age of 77.
Where did John G. Merkling go to medical school?
John Merkling graduated from Palmer College Chiropractic - Davenport in 1987.
How long has John G. Merkling been practicing?
John Merkling graduated from medical school in 1987, 39 years ago.
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