Dr. Don Leroy Hollandsworth, DO
- Medicare services, 2018
- 427
- Part D claims, 2024
- 15
- Industry payments
- $373
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4001 Vollmer Rd, Olympia Fields, IL 60461
- Practice phone
- Call (708) 481-8883
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Midwest Physician Center Of Homewood Glenwood
Multi-specialty group site · Olympia Fields, Illinois
Find Dr. Hollandsworth'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. Don Leroy Hollandsworth is a nephrologist in Lincolnwood, Illinois
Dr. Hollandsworth practices at Midwest Physician Center Of Homewood Glenwood in Olympia Fields, Illinois.
Dr. Hollandsworth's NPI, 1730274770, was assigned on October 4, 2006. Dr. Hollandsworth holds Illinois license 036042652.
- NPI
- 1730274770NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Practice phone
- (708) 481-8883
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Don Leroy Hollandsworth practices in Olympia Fields and Lincolnwood
Dr. Hollandsworth's primary practice is Midwest Physician Center of Homewood Glenwood, at 4001 Vollmer Rd, Olympia Fields, IL 60461. The practice phone is (708) 481-8883. The NPI Registry lists Dr. Hollandsworth's practice address as 4600 W Touhy Ave, Lincolnwood, IL 60712.
- Midwest Physician Center of Homewood GlenwoodPrimary4001 Vollmer Rd, Olympia Fields, IL 60461Phone(708) 481-8883
- NPI Registry address4600 W Touhy Ave, Lincolnwood, IL 60712 · Cook CountyPhone(708) 481-8883
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Don Leroy Hollandsworth is affiliated with 1 site of care and 1 medical group
Dr. Hollandsworth's primary practice is Midwest Physician Center Of Homewood Glenwood in Olympia Fields, Illinois. Dmand AI also links Dr. Hollandsworth to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Don Leroy Hollandsworth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hollandsworth practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Midwest Physician Center Of Homewood Glenwood | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Don Leroy Hollandsworth is one of 534 nephrologists in Illinois
Nephrology is Dr. Hollandsworth's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Hollandsworth is licensed in Illinois.
Specialties and state licenses
- Nephrology, IllinoisPrimary
Nephrologists near Dr. Hollandsworth
Counts of nephrologists 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. Don Leroy Hollandsworth billed Medicare for 427 services in 2018
CMS data shows 427 Medicare services from Dr. Hollandsworth across 6 procedure codes in 2018. Medicare paid $77,324 for them.
Dr. Hollandsworth's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Tests and treatments
- 2017: 6402018: 31950%
- Office and hospital visits
- 2017: 3372018: 10868%
Where Dr. Hollandsworth's Medicare services took place, 2018
- In an office34982%
- In a facility7818%
Dr. Hollandsworth compared with the Illinois median for nephrologists, 2018
- Dr. Hollandsworth
- Illinois median
- Medicare services
- 427vs 1,28467% below
- Part D claims
- 24vs 57896% below
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Hollandsworth's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hollandsworth?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hollandsworth and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Don Leroy Hollandsworth's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Hollandsworth's median patient age at 80, with 100% women.
Dr. Hollandsworth's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Don Leroy Hollandsworth wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Hollandsworth wrote 15 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $142 in total drug cost. In 2018, CMS named 1,154 claims across 31 drugs.
Dr. Hollandsworth's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1,1542019: 2498%
Drugs named by CMS: 2 in 2019, 31 in 2018.
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
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Dr. Don Leroy Hollandsworth received $373 in industry payments from 2016 to 2020
CMS Open Payments shows 16 general payments to Dr. Hollandsworth from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Keryx Biopharmaceuticals, Inc. paid the most, $197.
General payments to Dr. Hollandsworth by program year, 2016 to 2020
Companies that paid Dr. Hollandsworth the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Don Leroy Hollandsworth'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| 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. Don Leroy Hollandsworth
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. Don Leroy Hollandsworth's NPI number?
Dr. Don Leroy Hollandsworth's NPI number is 1730274770. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Don Leroy Hollandsworth?
Dr. Don Leroy Hollandsworth is a nephrologist in Lincolnwood, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Don Leroy Hollandsworth practice?
Dr. Hollandsworth practices at 4001 Vollmer Rd, Olympia Fields, IL 60461. Dr. Hollandsworth also practices at 4600 W Touhy Ave, Lincolnwood, IL 60712. Dr. Hollandsworth's primary practice is Midwest Physician Center Of Homewood Glenwood in Olympia Fields, Illinois. Dmand AI also links Dr. Hollandsworth to 1 medical group.
What is Dr. Don Leroy Hollandsworth's office phone number?
The practice phone on file for Dr. Hollandsworth is (708) 481-8883.
What is Dr. Don Leroy Hollandsworth's medical license number?
Dr. Hollandsworth holds Illinois license 036042652.
Does Dr. Don Leroy Hollandsworth accept Medicare?
Yes. CMS data shows Dr. Hollandsworth billed Medicare for 427 services in 2018.
What services does Dr. Don Leroy Hollandsworth bill to Medicare?
In 2018, Dr. Hollandsworth's most billed Medicare services were dialysis (90960), dialysis (90961) and hospital inpatient care (99233).
What drugs does Dr. Don Leroy Hollandsworth prescribe most?
In 2019 Medicare Part D data, Dr. Hollandsworth's most prescribed drugs by claims were Amlodipine Besylate and Carvedilol.
Has Dr. Don Leroy Hollandsworth received payments from drug or device companies?
CMS Open Payments shows $373 in general payments to Dr. Hollandsworth from 5 companies from 2016 to 2020. The largest total came from Keryx Biopharmaceuticals, Inc.
How long has Dr. Don Leroy Hollandsworth been practicing?
Dr. Hollandsworth's NPI was assigned in 2006.
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