Daniel Lang

  • Chicago, IL
  • Internist
NPI1871692707
Part D claims, 2024
63
Hospital affiliations
1
Industry payments
$17
State license
1
Year NPI issued
2006
Practice address
820 S Damen Street, Chicago, IL 60612
Practice phone
Call (312) 569-8387
Professional email
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Personal email
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Mobile number
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Social profiles

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Daniel Lang is an internist in Chicago, Illinois

Daniel Lang practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.

Daniel Lang's NPI, 1871692707, was assigned on September 21, 2006.

NPI and contact details
NPI enumeration date
September 21, 2006
NPI status
Active
Practice phone
(312) 569-8387
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Daniel Lang practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois

Daniel Lang's primary practice is Jesse Brown Department of Veterans Affairs Medical Center, at 820 S Damen Street, Chicago, IL 60612 in Cook County. The practice phone is (312) 569-8387.

Source: Dmand AI Affiliation Data

Daniel Lang is affiliated with 1 site of care

Daniel Lang's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration. Daniel Lang's employer is on file too: a hospital.

See Daniel Lang's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Daniel Lang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Lang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jesse Brown Department of Veterans Affairs Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Daniel Lang is one of 5,652 internists in Illinois

Internal medicine is Daniel Lang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Daniel Lang has a license on file in Illinois.

Specialties and state licenses

  • Internal medicine, Illinoistaxonomy 207R00000X

Internists near Daniel Lang

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

Daniel Lang's patients have a median age of 76

Across all payers, Dmand AI patient panel data puts Daniel Lang's median patient age at 76, with 4% women.

Daniel 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 76

Patient panel by sex, all payers

  • Women4%
  • Men96%

Source: Dmand AI Patient Panel Data

Daniel Lang wrote 63 Medicare Part D claims in 2024

In 2024, Daniel Lang wrote 63 Medicare Part D claims. 84% of them were for generic drugs. CMS names the drug for 28 of them, across 1 drug with 11 or more claims each, at $554 in total drug cost. In 2021, CMS named 26 claims across 2 drugs.

Part D claims, 202463
Drugs named by CMS1
Total drug cost$554

Daniel Lang's Part D claims by kind of drug, 2024

  • Generic53 claims84%
  • Brand-name and other10 claims16%

Daniel Lang's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 262022: 288%

Drugs named by CMS: 1 in 2022, 2 in 2021.

See all prescribing by Daniel Lang

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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Daniel Lang received $17 in industry payments in 2022

CMS Open Payments shows 1 general payment to Daniel Lang from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $17.

Companies that paid Daniel Lang the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Daniel Lang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Daniel Lang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Daniel 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 Daniel Lang's NPI number?

Daniel Lang's NPI number is 1871692707. It was assigned on September 21, 2006, and it is active in the NPI Registry.

What does Daniel Lang specialize in?

Daniel Lang is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Daniel Lang practice?

Daniel Lang practices at 820 S Damen Street, Chicago, IL 60612. Daniel Lang's primary practice is Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois, part of Veterans Health Administration.

What is Daniel Lang's office phone number?

The practice phone on file for Daniel Lang is (312) 569-8387.

Which hospitals is Daniel Lang affiliated with?

Daniel Lang practices at Jesse Brown Department of Veterans Affairs Medical Center in Chicago, Illinois.

What drugs does Daniel Lang prescribe most?

In 2022 Medicare Part D data, Daniel Lang's most prescribed drugs by claims were Metoprolol Succinate.

Has Daniel Lang received payments from drug or device companies?

CMS Open Payments shows $17 in general payments to Daniel Lang from 1 company from 2022 to 2022. The largest total came from Neurocrine BioSciences, Inc.

How long has Daniel Lang been practicing?

Daniel Lang's NPI was assigned in 2006.

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