Dr. Keith David Langlois, MD
- Medicare services, 2024
- 99
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 268
- Hospital affiliations
- 2
- Industry payments
- $8,376
- Practice address
- 7 Atkinson Dr Se, Suite 111, Ludington, MI 49431
- Practice phone
- Call (231) 843-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine
Rural Health Clinic - Hospital-Owned · Ludington, Michigan
Find Dr. Langlois' 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. Keith David Langlois is a general surgeon in Ludington, Michigan
Dr. Langlois practices at Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine in Ludington, Michigan.
Dr. Langlois' NPI, 1689080756, was assigned on July 9, 2014. Dr. Langlois holds Michigan license 4301116881.
- NPI
- 1689080756NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163649518
- NPI enumeration date
- July 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 843-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith David Langlois practices at Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family and Internal Medicine in Ludington, Michigan
Dr. Langlois' primary practice is Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family and Internal Medicine, at 7 Atkinson Dr Se, Suite 111, Ludington, MI 49431. The practice phone is (231) 843-3600.
- Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family and Internal Medicine7 Atkinson Dr Se, Suite 111, Ludington, MI 49431Phone(231) 843-3600
Source: Dmand AI Affiliation Data
Dr. Keith David Langlois is affiliated with 4 sites of care and 1 medical group
Dr. Langlois' primary practice is Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine in Ludington, Michigan. Dr. Langlois is also affiliated with Corewell Health Ludington Hospital. The medical group on file is Corewell Health Ludington Hospital. Dmand AI also links Dr. Langlois to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keith David Langlois' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Langlois practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keith David Langlois is one of 1,095 general surgeons in Michigan
Surgery is Dr. Langlois' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Langlois is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Langlois
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. Keith David Langlois billed Medicare for 99 services in 2024
CMS data shows 99 Medicare services from Dr. Langlois across 4 procedure codes in 2024, for 98 Medicare patients. Medicare paid $11,395 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Langlois' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 552024: 574%
- Office and hospital visits
- 2023: 392024: 428%
- Other services
- 2023: 122024: 0100%
Dr. Langlois compared with the Michigan median for general surgeons, 2024
- Dr. Langlois
- Michigan median
- Medicare services
- 99vs 12621% below
- Medicare patients
- 98vs 1078% below
- Part D claims
- 189vs 306.3 times
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Langlois' most billed Medicare procedure codes, 2024
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. Langlois and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith David Langlois treated 98 Medicare patients in 2024, average age 72
CMS counts 98 Medicare patients who saw Dr. Langlois in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Langlois' median patient age at 64, with 44% women.
Dr. Langlois' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Langlois' Medicare patients by sex, 2024
- Women3536%
- Men6364%
Chronic conditions among Dr. Langlois' Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis49%
- Anxiety31%
- Diabetes31%
- COPD28%
- Ischemic heart disease28%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Langlois' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keith David Langlois wrote 268 Medicare Part D claims in 2024
In 2024, Dr. Langlois wrote 268 Medicare Part D claims for 120 patients. 91% of them were for generic drugs. CMS names the drug for 189 of them, across 7 drugs with 11 or more claims each, at $2,648 in total drug cost. In 2023, CMS named 164 claims across 6 drugs.
Dr. Langlois' Part D claims by kind of drug, 2024
- Generic245 claims91%
- Brand-name23 claims9%
Dr. Langlois' 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.
Drug classes CMS tracks in Dr. Langlois' Part D claims, 2024
- Opioids14%37 of 268 claims
- Antibiotics16%43 of 268 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1642024: 18915%
Drugs named by CMS: 7 in 2024, 6 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
Dr. Keith David Langlois ranks in the 63rd percentile for colonoscopy in Medicare
Dr. Langlois accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of colonoscopy by Dr. Langlois, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Langlois ranks in Medicare procedure volume
- Colonoscopy
- 63rd percentile48 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 53rd percentile25 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Keith David Langlois received $8,376 in industry payments from 2020 to 2024
CMS Open Payments shows 26 general payments to Dr. Langlois from 4 drug and device companies from 2020 to 2024. Education make up the largest share, 60% of the total. Intuitive Surgical, Inc. paid the most, $8,311.
General payments to Dr. Langlois by program year, 2020 to 2024
General payments to Dr. Langlois by kind, 2020 to 2024
- Education$5,00060%
- Travel and lodging$3,12937%
- Food and beverage$2473%
Companies that paid Dr. Langlois the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Keith David Langlois'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Keith David Langlois
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. Keith David Langlois' NPI number?
Dr. Keith David Langlois' NPI number is 1689080756. It was assigned on July 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith David Langlois?
Dr. Keith David Langlois is a general surgeon in Ludington, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Keith David Langlois practice?
Dr. Langlois practices at 7 Atkinson Dr Se, Suite 111, Ludington, MI 49431. Dr. Langlois' primary practice is Corewell Health Ludington Hospital Multispecialty Center - Atkinson Family And Internal Medicine in Ludington, Michigan. Dmand AI also links Dr. Langlois to 1 hospital and 1 group practice or clinic.
What is Dr. Keith David Langlois' office phone number?
The practice phone on file for Dr. Langlois is (231) 843-3600.
What is Dr. Keith David Langlois' medical license number?
Dr. Langlois holds Michigan license 4301116881.
Which hospitals is Dr. Keith David Langlois affiliated with?
Dr. Langlois is affiliated with Corewell Health Ludington Hospital. Dmand AI links Dr. Langlois to 1 more hospital.
What medical group is Dr. Keith David Langlois part of?
Dr. Langlois is linked to Corewell Health Ludington Hospital.
Does Dr. Keith David Langlois accept Medicare?
Yes. CMS data shows Dr. Langlois billed Medicare for 99 services in 2024, and Dr. Langlois accepts Medicare assignment.
How many Medicare patients does Dr. Keith David Langlois see?
CMS counts 98 Medicare patients who saw Dr. Langlois in 2024, with an average age of 72.
What services does Dr. Keith David Langlois bill to Medicare?
In 2024, Dr. Langlois' most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and hospital inpatient care (99222).
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What drugs does Dr. Keith David Langlois prescribe most?
In 2024 Medicare Part D data, Dr. Langlois' most prescribed drugs by claims were Pantoprazole Sodium, Hydrocodone-Acetaminophen and Ibuprofen.
Has Dr. Keith David Langlois received payments from drug or device companies?
CMS Open Payments shows $8,376 in general payments to Dr. Langlois from 4 companies from 2020 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Keith David Langlois been practicing?
Dr. Langlois graduated from medical school in 2014, 12 years ago.
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