Dr. Derek A. Melby, DO
- Medicare services, 2024
- 544
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 577
- Hospital affiliations
- 1
- Industry payments
- $605
- Practice address
- 17800 S Kedzie Ave., Hazel Crest, IL 60429
- Practice phone
- Call (708) 213-3355
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate South Suburban Hospital - Mammography
Mammography / Breast Imaging Center · Hazel Crest, Illinois
Find Dr. Melby'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. Derek A. Melby is an internist in Hazel Crest, Illinois
Dr. Melby practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois.
Dr. Melby's NPI, 1033266473, was assigned on January 5, 2007. Dr. Melby graduated from Midwestern University, Chicago College of Osteopathic Med in 1995. Dr. Melby holds Illinois license 036145502.
- NPI
- 1033266473NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638252760
- NPI enumeration date
- January 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 213-3355
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek A. Melby practices at Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois
Dr. Melby's primary practice is Advocate South Suburban Hospital - Mammography, at 17800 S Kedzie Ave., Hazel Crest, IL 60429. The practice phone is (708) 213-3355.
- Advocate South Suburban Hospital - Mammography17800 S Kedzie Ave., Hazel Crest, IL 60429Phone(708) 213-3355
Source: Dmand AI Affiliation Data
Dr. Derek A. Melby is affiliated with 5 sites of care and 6 medical groups
Dr. Melby's primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Dr. Melby is also affiliated with Advocate Trinity Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Melby to 5 more medical groups and 3 group practices and clinics, 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. Derek A. Melby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Melby practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate South Suburban Hospital - Mammography | Available with a free account |
| +4 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek A. Melby is one of 5,652 internists in Illinois
Internal medicine is Dr. Melby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Melby is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Melby
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. Derek A. Melby billed Medicare for 544 services in 2024
CMS data shows 544 Medicare services from Dr. Melby across 4 procedure codes in 2024, for 204 Medicare patients. Medicare paid $45,821 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Melby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7042024: 54423%
Dr. Melby compared with the Illinois median for internists, 2024
- Dr. Melby
- Illinois median
- Medicare services
- 544vs 566Close to median
- Medicare patients
- 204vs 208Close to median
- Part D claims
- 378vs 28433% above
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Melby'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. Melby and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek A. Melby treated 204 Medicare patients in 2024, average age 73
CMS counts 204 Medicare patients who saw Dr. Melby in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 3.41, 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. Melby's median patient age at 76, with 55% women.
Dr. Melby's Medicare patients by age, 2024
Dr. Melby's Medicare patients by sex, 2024
- Women10551%
- Men9949%
Chronic conditions among Dr. Melby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease67%
- Diabetes60%
- Heart failure58%
- Arthritis53%
- Ischemic heart disease47%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Melby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek A. Melby wrote 577 Medicare Part D claims in 2024
In 2024, Dr. Melby wrote 577 Medicare Part D claims for 197 patients. 85% of them were for generic drugs. CMS names the drug for 378 of them, across 18 drugs with 11 or more claims each, at $26,896 in total drug cost. In 2023, CMS named 182 claims across 11 drugs.
Dr. Melby's Part D claims by kind of drug, 2024
- Generic491 claims85%
- Brand-name86 claims15%
Dr. Melby'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. Melby's Part D claims, 2024
- Opioids5%28 of 577 claims
- Antibiotics8%46 of 577 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: 1822024: 378108%
Drugs named by CMS: 18 in 2024, 11 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. Derek A. Melby takes part in Medicare
Dr. Melby 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. Derek A. Melby received $605 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. Melby from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $212.
General payments to Dr. Melby by program year, 2016 to 2025
Companies that paid Dr. Melby the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek A. Melby graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Melby graduated from Midwestern University, Chicago College of Osteopathic Med in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek A. Melby'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) |
| 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. Derek A. Melby
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. Derek A. Melby's NPI number?
Dr. Derek A. Melby's NPI number is 1033266473. It was assigned on January 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek A. Melby?
Dr. Derek A. Melby is an internist in Hazel Crest, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Derek A. Melby practice?
Dr. Melby practices at 17800 S Kedzie Ave., Hazel Crest, IL 60429. Dr. Melby's primary practice is Advocate South Suburban Hospital - Mammography in Hazel Crest, Illinois. Dmand AI also links Dr. Melby to 5 medical groups and 3 group practices and clinics.
What is Dr. Derek A. Melby's office phone number?
The practice phone on file for Dr. Melby is (708) 213-3355.
What is Dr. Derek A. Melby's medical license number?
Dr. Melby holds Illinois license 036145502.
Which hospitals is Dr. Derek A. Melby affiliated with?
Dr. Melby is affiliated with Advocate Trinity Hospital.
What medical group is Dr. Derek A. Melby part of?
Dr. Melby is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Melby to 5 more medical groups.
Does Dr. Derek A. Melby accept Medicare?
Yes. CMS data shows Dr. Melby billed Medicare for 544 services in 2024, and Dr. Melby accepts Medicare assignment.
How many Medicare patients does Dr. Derek A. Melby see?
CMS counts 204 Medicare patients who saw Dr. Melby in 2024, with an average age of 73.
What services does Dr. Derek A. Melby bill to Medicare?
In 2024, Dr. Melby's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Derek A. Melby go to medical school?
Dr. Melby graduated from Midwestern University, Chicago College of Osteopathic Med in 1995.
What drugs does Dr. Derek A. Melby prescribe most?
In 2024 Medicare Part D data, Dr. Melby's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Spironolactone.
Has Dr. Derek A. Melby received payments from drug or device companies?
CMS Open Payments shows $605 in general payments to Dr. Melby from 10 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Derek A. Melby been practicing?
Dr. Melby graduated from medical school in 1995, 31 years ago.
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