Dr. Daniel J. Douglas, MD
- Medicare services, 2020
- 159
- Part D claims, 2020
- 29
- Industry payments
- $108
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 908 N Elm St Suite 110 Suite 110, Hinsdale, IL 60521-2600
- Practice phone
- Call (630) 986-8770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Du Page Medical Group Ltd
Multi-specialty group site · Hinsdale, Illinois
Find Dr. Douglas' 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. Daniel J. Douglas is a general surgeon in Hinsdale, Illinois
Dr. Douglas practices at Du Page Medical Group Ltd in Hinsdale, Illinois.
Dr. Douglas' NPI, 1417959180, was assigned on August 12, 2005. Dr. Douglas holds Illinois license 036067860.
- NPI
- 1417959180NPI Registry (opens in a new tab)
- NPI enumeration date
- August 12, 2005
- NPI status
- Active
- Practice phone
- (630) 986-8770
- 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. Daniel J. Douglas practices at Du Page Medical Group Ltd in Hinsdale, Illinois
Dr. Douglas' primary practice is Du Page Medical Group Ltd, at 908 N Elm St Suite 110 Suite 110, Hinsdale, IL 60521-2600. The practice phone is (630) 986-8770.
- Du Page Medical Group Ltd908 N Elm St Suite 110 Suite 110, Hinsdale, IL 60521-2600Phone(630) 986-8770
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel J. Douglas is affiliated with 2 sites of care and 2 medical groups
Dr. Douglas' primary practice is Du Page Medical Group Ltd in Hinsdale, Illinois. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Douglas to 1 more group practice or clinic and 1 medical group, each 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. Daniel J. Douglas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Douglas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Du Page Medical Group Ltd | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel J. Douglas is one of 1,217 general surgeons in Illinois
Surgery is Dr. Douglas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Douglas is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Douglas
Counts of general surgeons 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. Daniel J. Douglas billed Medicare for 159 services in 2020
CMS data shows 159 Medicare services from Dr. Douglas across 8 procedure codes in 2020. Medicare paid $13,490 for them.
Dr. Douglas' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2512020: 13247%
- Surgery
- 2019: 592020: 2754%
- Lab and pathology
- 2019: 112020: 0100%
Where Dr. Douglas' Medicare services took place, 2020
- In an office10264%
- In a facility5736%
Dr. Douglas compared with the Illinois median for general surgeons, 2020
- Dr. Douglas
- Illinois median
- Medicare services
- 159vs 19418% below
- Part D claims
- 29vs 28Close to median
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Douglas' most billed Medicare procedure codes, 2020
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. Douglas and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel J. Douglas' patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Douglas' median patient age at 67, with 0% women.
Dr. Douglas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Daniel J. Douglas wrote 29 Medicare Part D claims in 2020
In 2020, Dr. Douglas wrote 29 Medicare Part D claims. They cover 1 drug, with $163 in total drug cost. In 2019, CMS named 49 claims across 1 drug.
Dr. Douglas' most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 492020: 2941%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Daniel J. Douglas received $108 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Douglas from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Focal Therapeutics, Inc. paid the most, $108.
Companies that paid Dr. Douglas the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Daniel J. Douglas'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Daniel J. Douglas
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. Daniel J. Douglas' NPI number?
Dr. Daniel J. Douglas' NPI number is 1417959180. It was assigned on August 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel J. Douglas?
Dr. Daniel J. Douglas is a general surgeon in Hinsdale, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Daniel J. Douglas practice?
Dr. Douglas practices at 908 N Elm St Suite 110 Suite 110, Hinsdale, IL 60521-2600. Dr. Douglas' primary practice is Du Page Medical Group Ltd in Hinsdale, Illinois. Dmand AI also links Dr. Douglas to 1 group practice or clinic and 1 medical group.
What is Dr. Daniel J. Douglas' office phone number?
The practice phone on file for Dr. Douglas is (630) 986-8770.
What is Dr. Daniel J. Douglas' medical license number?
Dr. Douglas holds Illinois license 036067860.
What medical group is Dr. Daniel J. Douglas part of?
Dr. Douglas is linked to DuPage Medical Group. Dmand AI links Dr. Douglas to 1 more medical group.
Does Dr. Daniel J. Douglas accept Medicare?
Yes. CMS data shows Dr. Douglas billed Medicare for 159 services in 2020.
What services does Dr. Daniel J. Douglas bill to Medicare?
In 2020, Dr. Douglas' most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and hospital inpatient care (99231).
What drugs does Dr. Daniel J. Douglas prescribe most?
In 2020 Medicare Part D data, Dr. Douglas' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Daniel J. Douglas received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Dr. Douglas from 1 company from 2020 to 2020. The largest total came from Focal Therapeutics, Inc.
How long has Dr. Daniel J. Douglas been practicing?
Dr. Douglas' NPI was assigned in 2005.
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