Dr. Mark A. Langlois Jr., MD

  • Traverse City, MI
  • Family medicine physician
NPI1295154656PAC ID1850517913
Medicare services, 2024
1,831
Medicare patients, 2024
271
Part D claims, 2024
12,369
Hospital affiliations
3
Industry payments
$17
Practice address
2950 LaFranier Road, Traverse City, MI 49686
Practice phone
Call (231) 947-0506
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MediLodge of GTC

Skilled Nursing Facility · Traverse City, Michigan

See all 17 affiliations

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Dr. Mark A. Langlois Jr. is a family medicine physician in Traverse City, Michigan

Dr. Langlois practices at MediLodge of GTC in Traverse City, Michigan.

Dr. Langlois' NPI, 1295154656, was assigned on April 14, 2014. Dr. Langlois holds Michigan license 4301105292.

NPI and contact details
Medicare PAC ID
1850517913
NPI enumeration date
April 14, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(231) 947-0506
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mark A. Langlois Jr. practices at MediLodge of GTC in Traverse City, Michigan

Dr. Langlois' primary practice is MediLodge of GTC, at 2950 LaFranier Road, Traverse City, MI 49686 in Grand Traverse County. The practice phone is (231) 947-0506.

  • MediLodge of GTC
    2950 LaFranier Road, Traverse City, MI 49686 · Grand Traverse CountyPhone(231) 947-0506

Source: Dmand AI Affiliation Data

Dr. Mark A. Langlois Jr. is affiliated with 11 sites of care and 6 medical groups

Dr. Langlois' primary practice is MediLodge of GTC in Traverse City, Michigan. Dr. Langlois is also affiliated with Munson Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Langlois to 2 more hospitals, 5 medical groups, 4 skilled nursing facilities and 3 hospices, each named with a free account.

See all 17 affiliations for Dr. Langlois

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

Dmand AI tracks the EHR system at Dr. Mark A. Langlois Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Langlois practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MediLodge of GTCAvailable with a free account
+10 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark A. Langlois Jr. is one of 4,931 family medicine physicians in Michigan

Family medicine is Dr. Langlois' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Langlois is licensed in Michigan.

Specialties and state licenses

  • Family medicine, MichiganPrimaryLicense 4301105292 · taxonomy 207Q00000X

Family medicine physicians near Dr. Langlois

Counts of family medicine physicians 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. Mark A. Langlois Jr. billed Medicare for 1,831 services in 2024

CMS data shows 1,831 Medicare services from Dr. Langlois across 9 procedure codes in 2024, for 271 Medicare patients. Medicare paid $139,593 for them.

Medicare services, 20241,831
Medicare patients271
Paid by Medicare$139,593
Procedure codes9

Dr. Langlois' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,6322024: 1,7155%
Other services
2023: 1132024: 1163%

Where Dr. Langlois' Medicare services took place, 2024

  • In an office26514%
  • In a facility1,56686%

Dr. Langlois compared with the Michigan median for family medicine physicians, 2024

  • Dr. Langlois
  • Michigan median
Medicare services
1,831vs 2487.4 times
Medicare patients
271vs 1122.4 times
Part D claims
11,835vs 1,03311.5 times

Medians across 4,990 family medicine physicians 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.

See all procedures by Dr. Langlois

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark A. Langlois Jr. treated 271 Medicare patients in 2024, average age 80

CMS counts 271 Medicare patients who saw Dr. Langlois in 2024. The largest group is 85 and over, with 102 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 56% are also on Medicaid. Their average risk score is 1.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Langlois' median patient age at 79, with 52% women.

Medicare patients, 2024271
Average age80
Average risk score1.97
Also on Medicaid56%

Dr. Langlois' Medicare patients by age, 2024

Dr. Langlois' Medicare patients by sex, 2024

  • Women15557%
  • Men11643%

Chronic conditions among Dr. Langlois' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol66%
  3. Mood disorders57%
  4. Arthritis51%
  5. Depression50%
  6. Alzheimer's and dementia49%
  7. Anxiety45%
  8. Chronic kidney disease38%

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 79

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark A. Langlois Jr. wrote 12,369 Medicare Part D claims in 2024

In 2024, Dr. Langlois wrote 12,369 Medicare Part D claims for 376 patients. 83% of them were for generic drugs. CMS names the drug for 11,835 of them, across 176 drugs with 11 or more claims each, at $848,604 in total drug cost. In 2023, CMS named 12,864 claims across 180 drugs.

Part D claims, 202412,369
Drugs named by CMS176
Total drug cost$848,604
Part D patients376

Dr. Langlois' Part D claims by kind of drug, 2024

  • Generic10,291 claims83%
  • Brand-name and other2,078 claims17%

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

  • Opioids2%286 of 12,369 claims
  • Antibiotics2%224 of 12,369 claims
  • Antipsychotics, patients 65 and over3%390 of 12,369 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: 12,8642024: 11,8358%

Drugs named by CMS: 176 in 2024, 180 in 2023.

See all prescribing by Dr. Langlois

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

How Dr. Mark A. Langlois Jr. takes part in Medicare

Dr. Langlois accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Mark A. Langlois Jr. received $17 in industry payments in 2018

CMS Open Payments shows 1 general payment to Dr. Langlois from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $17.

Companies that paid Dr. Langlois the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Langlois

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

Sources for Dr. Mark A. Langlois Jr.'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Dr. Mark A. Langlois Jr.

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. Mark A. Langlois Jr.'s NPI number?

Dr. Mark A. Langlois Jr.'s NPI number is 1295154656. It was assigned on April 14, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark A. Langlois Jr.?

Dr. Mark A. Langlois Jr. is a family medicine physician in Traverse City, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Mark A. Langlois Jr. practice?

Dr. Langlois practices at 2950 LaFranier Road, Traverse City, MI 49686. Dr. Langlois' primary practice is MediLodge of GTC in Traverse City, Michigan. Dmand AI also links Dr. Langlois to 2 hospitals, 5 medical groups, 4 skilled nursing facilities and 3 hospices.

What is Dr. Mark A. Langlois Jr.'s office phone number?

The practice phone on file for Dr. Langlois is (231) 947-0506.

What is Dr. Mark A. Langlois Jr.'s medical license number?

Dr. Langlois holds Michigan license 4301105292.

Which hospitals is Dr. Mark A. Langlois Jr. affiliated with?

Dr. Langlois is affiliated with Munson Medical Center. Dmand AI links Dr. Langlois to 2 more hospitals.

What medical group is Dr. Mark A. Langlois Jr. part of?

Dr. Langlois is linked to Sound Physicians. Dmand AI links Dr. Langlois to 5 more medical groups.

Does Dr. Mark A. Langlois Jr. accept Medicare?

Yes. CMS data shows Dr. Langlois billed Medicare for 1,831 services in 2024, and Dr. Langlois accepts Medicare assignment.

How many Medicare patients does Dr. Mark A. Langlois Jr. see?

CMS counts 271 Medicare patients who saw Dr. Langlois in 2024, with an average age of 80.

What services does Dr. Mark A. Langlois Jr. bill to Medicare?

In 2024, Dr. Langlois' most billed Medicare services were nursing facility care (99309), nursing facility care (99308) and nursing facility care (99306).

Show 3 more questionsShow fewer questions

What drugs does Dr. Mark A. Langlois Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Langlois' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Eliquis.

Has Dr. Mark A. Langlois Jr. received payments from drug or device companies?

CMS Open Payments shows $17 in general payments to Dr. Langlois from 1 company from 2018 to 2018. The largest total came from Amgen Inc.

How long has Dr. Mark A. Langlois Jr. been practicing?

Dr. Langlois graduated from medical school in 2013, 13 years ago.

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