Dr. William Lang, MD
- Medicare services, 2022
- 123
- Part D claims, 2024
- 183
- Industry payments
- $15,125
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 111 Colchester Ave, Burlington, VT 05401
- Practice phone
- Call (401) 793-4489
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. William Lang is an internist in Burlington, Vermont
Dr. Lang practices in Burlington, Vermont.
Dr. Lang's NPI, 1801388970, was assigned on June 4, 2018. Dr. Lang graduated from New York Medical College in 2018. Dr. Lang holds Rhode Island license MD17518.
- NPI
- 1801388970NPI Registry (opens in a new tab)
- NPI enumeration date
- June 4, 2018
- NPI status
- Active
- Practice phone
- (401) 793-4489
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. William Lang's practice address is in Burlington, Vermont
Dr. Lang's practice address in the NPI Registry is 111 Colchester Ave, Burlington, VT 05401, in Chittenden County. The practice phone is (401) 793-4489.
- NPI Registry address111 Colchester Ave, Burlington, VT 05401 · Chittenden CountyPhone(401) 793-4489
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Lang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lang's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Lang is one of 311 internists in Vermont
Internal medicine is Dr. Lang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lang is licensed in Rhode Island.
Specialties and state licenses
- Internal medicine, Rhode IslandPrimary
Internists near Dr. 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
Dr. William Lang billed Medicare for 123 services in 2022
CMS data shows 123 Medicare services from Dr. Lang across 3 procedure codes in 2022. Medicare paid $8,073 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lang's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1702022: 12328%
Dr. Lang compared with the Vermont median for internists, 2022
- Dr. Lang
- Vermont median
- Medicare services
- 123vs 30460% below
- Part D claims
- 94vs 90Close to median
Medians across 322 internists in Vermont with Dmand AI profiles that report each measure.
Dr. Lang's most billed Medicare procedure codes, 2022
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. Lang and other internists in Vermont.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Lang's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Lang's median patient age at 59, with 50% 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 59
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. William Lang wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Lang wrote 183 Medicare Part D claims for 44 patients. 87% of them were for generic drugs. CMS names the drug for 94 of them, across 6 drugs with 11 or more claims each, at $819 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Lang's Part D claims by kind of drug, 2024
- Generic159 claims87%
- Brand-name24 claims13%
Dr. Lang'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 232024: 94309%
Drugs named by CMS: 6 in 2024, 2 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
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Dr. William Lang received $15,125 in industry payments from 2022 to 2025
CMS Open Payments shows 6 general payments to Dr. Lang from 2 drug and device companies from 2022 to 2025. Grants make up the largest share, 96% of the total. Medtronic, Inc. paid the most, $10,149.
General payments to Dr. Lang by program year, 2022 to 2025
General payments to Dr. Lang by kind, 2022 to 2025
- Grants$14,50096%
- Education$6254%
Companies that paid Dr. Lang the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Lang graduated from New York Medical College
Dr. Lang graduated from New York Medical College in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William 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 Practice 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 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) |
| 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. William 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. William Lang's NPI number?
Dr. William Lang's NPI number is 1801388970. It was assigned on June 4, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. William Lang?
Dr. William Lang is an internist in Burlington, Vermont. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William Lang practice?
Dr. Lang practices at 111 Colchester Ave, Burlington, VT 05401.
What is Dr. William Lang's office phone number?
The practice phone on file for Dr. Lang is (401) 793-4489.
What is Dr. William Lang's medical license number?
Dr. Lang holds Rhode Island license MD17518.
Does Dr. William Lang accept Medicare?
Yes. CMS data shows Dr. Lang billed Medicare for 123 services in 2022.
What services does Dr. William Lang bill to Medicare?
In 2022, Dr. Lang's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99223).
Where did Dr. William Lang go to medical school?
Dr. Lang graduated from New York Medical College in 2018.
What drugs does Dr. William Lang prescribe most?
In 2024 Medicare Part D data, Dr. Lang's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Amlodipine Besylate.
Has Dr. William Lang received payments from drug or device companies?
CMS Open Payments shows $15,125 in general payments to Dr. Lang from 2 companies from 2022 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. William Lang been practicing?
Dr. Lang graduated from medical school in 2018, 8 years ago.
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