Dr. Danilo A. Aparicio Fernandez, MD
- Medicare services, 2024
- 745
- Medicare patients, 2024
- 226
- Part D claims, 2024
- 363
- Hospital affiliations
- 1
- Industry payments
- $209
- Practice address
- 1425 North Randall Road, Elgin, IL 60123
- Practice phone
- Call (847) 742-9800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Aparicio Fernandez'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.
Dr. Danilo A. Aparicio Fernandez is an internist in Elgin, Illinois
Dr. Aparicio Fernandez practices at Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health.
Dr. Aparicio Fernandez's NPI, 1184019564, was assigned on April 1, 2015. Dr. Aparicio Fernandez holds Illinois license 036.145565.
- NPI
- 1184019564NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658676416
- NPI enumeration date
- April 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 742-9800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danilo A. Aparicio Fernandez practices at Advocate Sherman Hospital in Elgin, Illinois
Dr. Aparicio Fernandez's primary practice is Advocate Sherman Hospital, at 1425 North Randall Road, Elgin, IL 60123 in Kane County. The practice phone is (847) 742-9800.
- Advocate Sherman Hospital1425 North Randall Road, Elgin, IL 60123 · Kane CountyPhone(847) 742-9800
Source: Dmand AI Affiliation Data
Dr. Danilo A. Aparicio Fernandez is affiliated with 3 sites of care and 2 medical groups
Dr. Aparicio Fernandez's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Aparicio Fernandez to 1 more group practice or clinic, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Danilo A. Aparicio Fernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aparicio Fernandez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Sherman Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Danilo A. Aparicio Fernandez is one of 5,652 internists in Illinois
Internal medicine is Dr. Aparicio Fernandez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Aparicio Fernandez is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Aparicio Fernandez
Counts of internists 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. Danilo A. Aparicio Fernandez billed Medicare for 745 services in 2024
CMS data shows 745 Medicare services from Dr. Aparicio Fernandez across 4 procedure codes in 2024, for 226 Medicare patients. Medicare paid $70,419 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Aparicio Fernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7872024: 7455%
Dr. Aparicio Fernandez compared with the Illinois median for internists, 2024
- Dr. Aparicio Fernandez
- Illinois median
- Medicare services
- 745vs 56632% above
- Medicare patients
- 226vs 2089% above
- Part D claims
- 91vs 28468% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Aparicio Fernandez'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. Aparicio Fernandez and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Danilo A. Aparicio Fernandez treated 226 Medicare patients in 2024, average age 76
CMS counts 226 Medicare patients who saw Dr. Aparicio Fernandez in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Aparicio Fernandez's median patient age at 74, with 56% women.
Dr. Aparicio Fernandez's Medicare patients by age, 2024
Dr. Aparicio Fernandez's Medicare patients by sex, 2024
- Women11350%
- Men11350%
Chronic conditions among Dr. Aparicio Fernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease54%
- Ischemic heart disease52%
- Heart failure49%
- Diabetes48%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aparicio Fernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
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. Danilo A. Aparicio Fernandez wrote 363 Medicare Part D claims in 2024
In 2024, Dr. Aparicio Fernandez wrote 363 Medicare Part D claims for 154 patients. 91% of them were for generic drugs. CMS names the drug for 91 of them, across 7 drugs with 11 or more claims each, at $628 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.
Dr. Aparicio Fernandez's Part D claims by kind of drug, 2024
- Generic329 claims91%
- Brand-name34 claims9%
Dr. Aparicio Fernandez'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. Aparicio Fernandez's Part D claims, 2024
- Opioids6%22 of 363 claims
- Antibiotics15%56 of 363 claims
- Antipsychotics, patients 65 and over4%14 of 363 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: 342024: 91168%
Drugs named by CMS: 7 in 2024, 3 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
How Dr. Danilo A. Aparicio Fernandez takes part in Medicare
Dr. Aparicio Fernandez 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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Dr. Danilo A. Aparicio Fernandez received $209 in industry payments from 2018 to 2024
CMS Open Payments shows 5 general payments to Dr. Aparicio Fernandez from 4 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $132.
General payments to Dr. Aparicio Fernandez by program year, 2018 to 2024
Companies that paid Dr. Aparicio Fernandez the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Danilo A. Aparicio Fernandez'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 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) |
| 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 Dr. Danilo A. Aparicio Fernandez
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. Danilo A. Aparicio Fernandez's NPI number?
Dr. Danilo A. Aparicio Fernandez's NPI number is 1184019564. It was assigned on April 1, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Danilo A. Aparicio Fernandez?
Dr. Danilo A. Aparicio Fernandez is an internist in Elgin, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Danilo A. Aparicio Fernandez practice?
Dr. Aparicio Fernandez practices at 1425 North Randall Road, Elgin, IL 60123. Dr. Aparicio Fernandez's primary practice is Advocate Sherman Hospital in Elgin, Illinois, part of Advocate Health. Dmand AI also links Dr. Aparicio Fernandez to 1 group practice or clinic, 1 hospice and 1 medical group.
What is Dr. Danilo A. Aparicio Fernandez's office phone number?
The practice phone on file for Dr. Aparicio Fernandez is (847) 742-9800.
What is Dr. Danilo A. Aparicio Fernandez's medical license number?
Dr. Aparicio Fernandez holds Illinois license 036.145565.
Which hospitals is Dr. Danilo A. Aparicio Fernandez affiliated with?
Dr. Aparicio Fernandez practices at Advocate Sherman Hospital in Elgin, Illinois.
What medical group is Dr. Danilo A. Aparicio Fernandez part of?
Dr. Aparicio Fernandez is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Aparicio Fernandez to 1 more medical group.
Does Dr. Danilo A. Aparicio Fernandez accept Medicare?
Yes. CMS data shows Dr. Aparicio Fernandez billed Medicare for 745 services in 2024, and Dr. Aparicio Fernandez accepts Medicare assignment.
How many Medicare patients does Dr. Danilo A. Aparicio Fernandez see?
CMS counts 226 Medicare patients who saw Dr. Aparicio Fernandez in 2024, with an average age of 76.
What services does Dr. Danilo A. Aparicio Fernandez bill to Medicare?
In 2024, Dr. Aparicio Fernandez's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Danilo A. Aparicio Fernandez prescribe most?
In 2024 Medicare Part D data, Dr. Aparicio Fernandez's most prescribed drugs by claims were Metoprolol Succinate, Cefdinir and Hydrocodone-Acetaminophen.
Has Dr. Danilo A. Aparicio Fernandez received payments from drug or device companies?
CMS Open Payments shows $209 in general payments to Dr. Aparicio Fernandez from 4 companies from 2018 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Danilo A. Aparicio Fernandez been practicing?
Dr. Aparicio Fernandez graduated from medical school in 2015, 11 years ago.
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