Dr. Andrew William Johnson, MD
- Medicare services, 2024
- 1,645
- Medicare patients, 2024
- 398
- Part D claims, 2024
- 743
- Industry payments
- $2,294
- Affiliated sites
- 1
- Practice address
- 1600 N Randall Rd, Elgin, IL 60123
- Practice phone
- Call (847) 381-8899
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Derick Dermatology
Elgin, Illinois
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Andrew William Johnson is a dermatologist in Elgin, Illinois
Dr. Johnson practices at Derick Dermatology in Elgin, Illinois.
Dr. Johnson's NPI, 1619310232, was assigned on April 12, 2013. Dr. Johnson graduated from University of Colorado School of Medicine, Denver in 2013. Dr. Johnson holds Illinois license 036.158017.
- NPI
- 1619310232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608193842
- NPI enumeration date
- April 12, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 381-8899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew William Johnson practices at Derick Dermatology in Elgin, Illinois
Dr. Johnson's primary practice is Derick Dermatology, at 1600 N Randall Rd, Elgin, IL 60123 in Kane County. The practice phone is (847) 381-8899.
- Derick Dermatology1600 N Randall Rd, Elgin, IL 60123 · Kane CountyPhone(847) 381-8899
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew William Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Derick Dermatology in Elgin, Illinois. The medical group on file is Derick Dermatology. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, 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 Dr. Andrew William Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Derick Dermatology | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew William Johnson is one of 564 dermatologists in Illinois
Dermatology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Johnson is licensed in Illinois.
Specialties and state licenses
- Dermatology, IllinoisPrimary
Dermatologists near Dr. Johnson
Counts of dermatologists 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
Dr. Andrew William Johnson billed Medicare for 1,645 services in 2024
CMS data shows 1,645 Medicare services from Dr. Johnson across 13 procedure codes in 2024, for 398 Medicare patients. Medicare paid $79,820 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 9472024: 1,07914%
- Office and hospital visits
- 2023: 5812024: 5663%
Dr. Johnson compared with the Illinois median for dermatologists, 2024
- Dr. Johnson
- Illinois median
- Medicare services
- 1,645vs 1,7798% below
- Medicare patients
- 398vs 49119% below
- Part D claims
- 553vs 40537% above
Medians across 526 dermatologists in Illinois with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other dermatologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew William Johnson treated 398 Medicare patients in 2024, average age 73
CMS counts 398 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 208 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 49, with 56% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women17744%
- Men22156%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis47%
- Ischemic heart disease28%
- Diabetes22%
- Anxiety18%
- Chronic kidney disease16%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew William Johnson wrote 743 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 743 Medicare Part D claims for 265 patients. 86% of them were for generic drugs. CMS names the drug for 553 of them, across 17 drugs with 11 or more claims each, at $222,514 in total drug cost. In 2023, CMS named 491 claims across 13 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic636 claims86%
- Brand-name107 claims14%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Antibiotics4%31 of 743 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4912024: 55313%
Drugs named by CMS: 17 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Andrew William Johnson ranks in the 88th percentile for removal of skin lesions in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 563 procedures of removal of skin lesions by Dr. Johnson, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Johnson ranks in Medicare procedure volume
- Removal of skin lesions
- 88th percentile563 procedures
- Skin biopsy
- 88th percentile242 procedures
- Removal or shaving of skin growth
- 72nd percentile23 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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Dr. Andrew William Johnson received $2,294 in industry payments from 2016 to 2024
CMS Open Payments shows 87 general payments to Dr. Johnson from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 81% of the total. Abbvie Inc. paid the most, $324.
General payments to Dr. Johnson by program year, 2016 to 2024
General payments to Dr. Johnson by kind, 2016 to 2024
- Food and beverage$1,86981%
- Education$42519%
Companies that paid Dr. Johnson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew William Johnson graduated from University of Colorado School of Medicine, Denver
Dr. Johnson graduated from University of Colorado School of Medicine, Denver in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew William Johnson'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| 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 Dr. Andrew William Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Andrew William Johnson's NPI number?
Dr. Andrew William Johnson's NPI number is 1619310232. It was assigned on April 12, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew William Johnson?
Dr. Andrew William Johnson is a dermatologist in Elgin, Illinois. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Andrew William Johnson practice?
Dr. Johnson practices at 1600 N Randall Rd, Elgin, IL 60123. Dr. Johnson's primary practice is Derick Dermatology in Elgin, Illinois. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Andrew William Johnson's office phone number?
The practice phone on file for Dr. Johnson is (847) 381-8899.
What is Dr. Andrew William Johnson's medical license number?
Dr. Johnson holds Illinois license 036.158017.
What medical group is Dr. Andrew William Johnson part of?
Dr. Johnson is linked to Derick Dermatology.
Does Dr. Andrew William Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 1,645 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Andrew William Johnson see?
CMS counts 398 Medicare patients who saw Dr. Johnson in 2024, with an average age of 73.
What services does Dr. Andrew William Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Andrew William Johnson go to medical school?
Dr. Johnson graduated from University of Colorado School of Medicine, Denver in 2013.
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What drugs does Dr. Andrew William Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clobetasol Propionate.
Has Dr. Andrew William Johnson received payments from drug or device companies?
CMS Open Payments shows $2,294 in general payments to Dr. Johnson from 22 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Andrew William Johnson been practicing?
Dr. Johnson graduated from medical school in 2013, 13 years ago.
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