Dr. David J. Lang, DO
- Part D claims, 2021
- 26
- Hospital affiliations
- 2
- Industry payments
- $1,696
- Medical group
- 1
- State license
- 1
- Practice address
- One Kish Hospital Drive, Dekalb, IL 60115
- Practice phone
- Call (815) 756-1521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lang'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. David J. Lang is an anesthesiologist in Dekalb, Illinois
Dr. Lang practices at Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare.
Dr. Lang's NPI, 1194868059, was assigned on February 14, 2007. Dr. Lang graduated from Midwestern University, Chicago College of Osteopathic Med in 1981.
- NPI
- 1194868059NPI Registry (opens in a new tab)
- NPI enumeration date
- February 14, 2007
- NPI status
- Active
- Practice phone
- (815) 756-1521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David J. Lang practices at 2 locations in Dekalb, Illinois
Dr. Lang's primary practice is Northwestern Medicine Kishwaukee Hospital, at One Kish Hospital Drive, Dekalb, IL 60115 in De Kalb County. The practice phone is (815) 756-1521. Dr. Lang also practices at Northwestern Medicine Kishwaukee Hospital, 1 Kish Hospital Dr, Dekalb, IL 60115.
- Northwestern Medicine Kishwaukee HospitalPrimaryOne Kish Hospital Drive, Dekalb, IL 60115 · De Kalb CountyPhone(815) 756-1521
- Northwestern Medicine Kishwaukee Hospital1 Kish Hospital Dr, Dekalb, IL 60115 · Dekalb CountyPhone(815) 756-1521
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. David J. Lang is affiliated with 2 sites of care and 1 medical group
Dr. Lang's primary practice is Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare. Dr. Lang is also affiliated with Advocate Illinois Masonic Medical Center. The medical group on file is Midwest Anesthesia Partners.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David J. Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Kishwaukee Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David J. Lang is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lang has a license on file in Illinois.
Specialties and state licenses
- Anesthesiology, Illinois
Anesthesiologists near Dr. Lang
Counts of anesthesiologists 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. David J. Lang's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 75, with 57% women.
Dr. Lang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. David J. Lang wrote 26 Medicare Part D claims in 2021
In 2021, Dr. Lang wrote 26 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $62 in total drug cost. In 2020, CMS named 41 claims across 3 drugs.
Dr. Lang's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 412021: 2637%
Drugs named by CMS: 2 in 2021, 3 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. David J. Lang received $1,696 in industry payments from 2017 to 2022
CMS Open Payments shows 2 general payments to Dr. Lang from 2 drug and device companies from 2017 to 2022. Education make up the largest share, 92% of the total. Medwest Associates paid the most, $1,561.
General payments to Dr. Lang by program year, 2017 to 2022
General payments to Dr. Lang by kind, 2017 to 2022
- Education$1,56192%
- Food and beverage$1358%
Companies that paid Dr. Lang the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David J. Lang graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Lang graduated from Midwestern University, Chicago College of Osteopathic Med in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David J. Lang'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| 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. David J. Lang
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. David J. Lang's NPI number?
Dr. David J. Lang's NPI number is 1194868059. It was assigned on February 14, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David J. Lang?
Dr. David J. Lang is an anesthesiologist in Dekalb, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. David J. Lang practice?
Dr. Lang practices at One Kish Hospital Drive, Dekalb, IL 60115. Dr. Lang also practices at 1 Kish Hospital Dr, Dekalb, IL 60115. Dr. Lang's primary practice is Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois, part of Northwestern Memorial HealthCare.
What is Dr. David J. Lang's office phone number?
The practice phone on file for Dr. Lang is (815) 756-1521.
Which hospitals is Dr. David J. Lang affiliated with?
Dr. Lang practices at Northwestern Medicine Kishwaukee Hospital in Dekalb, Illinois. Dr. Lang is also affiliated with Advocate Illinois Masonic Medical Center.
What medical group is Dr. David J. Lang part of?
Dr. Lang is linked to Midwest Anesthesia Partners.
Where did Dr. David J. Lang go to medical school?
Dr. Lang graduated from Midwestern University, Chicago College of Osteopathic Med in 1981.
What drugs does Dr. David J. Lang prescribe most?
In 2021 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Levothyroxine Sodium and Montelukast Sodium.
Has Dr. David J. Lang received payments from drug or device companies?
CMS Open Payments shows $1,696 in general payments to Dr. Lang from 2 companies from 2017 to 2022. The largest total came from Medwest Associates.
How long has Dr. David J. Lang been practicing?
Dr. Lang graduated from medical school in 1981, 45 years ago.
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