MARK LANGLOIS M.D.
NPI 1295154656
Family Medicine in Frankfort, MI

NPI Status: Active since April 14, 2014

Contact Information

PO BOX 1652
FRANKFORT, MI
ZIP 49635
Phone: (231) 955-9565
Fax: (231) 220-9568

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  • Individual
  • Male
  • Years of Experience 13
  • Family Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARK LANGLOIS

This page provides the complete NPI Profile along with additional information for Mark Langlois, a primary care provider established in Frankfort, Michigan with a medical specialization in Family Medicine and more than 13 years of experience. The healthcare provider is registered in the NPI registry with number 1295154656 assigned on April 2014. The practitioner's primary taxonomy code is 207Q00000X with license number 4301105292 (MI). The provider is registered as an individual and his NPI record was last updated May 2026. Mark Langlois operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1295154656
Provider Name
MARK LANGLOIS M.D.
Gender
Male
Entity Type
Individual
Location Address
PO BOX 1652 FRANKFORT, MI 49635
Location Phone
(231) 955-9565
Location Fax
(231) 220-9568
Mailing Address
PO BOX 1652 FRANKFORT, MI 49635
Mailing Phone
(231) 955-9565
Mailing Fax
(231) 220-9568
Medical School Name
OTHER
Graduation Year
2013
Is Sole Proprietor?
Yes
Enumeration Date
04-14-2014
Last Update Date
05-20-2026
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A primary care provider (PCP) like Mark Langlois sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
License No.
4301105292
License State
MI
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Cross� Premier PPO Bronze Extra - PPO
  • Blue Cross� Premier PPO Bronze Saver HSA - PPO
  • Blue Cross� Premier PPO Bronze Secure - PPO
  • Blue Cross� Premier PPO Gold - PPO
  • Blue Cross� Premier PPO Gold Extra - PPO
  • Blue Cross� Premier PPO Silver - PPO
  • Blue Cross� Premier PPO Silver Extra - PPO
  • Blue Cross� Premier PPO Silver Saver HSA - PPO
  • Blue Cross� Premier PPO Value - PPO
  • MHP Bronze - HMO
  • MHP Bronze Saver (Expanded) - HMO
  • MHP Expanded Bronze Standard - HMO
  • MHP Gold - HMO
  • MHP Gold Standard - HMO
  • MHP Silver Exchange - HMO
  • MHP Silver Exchange Rewards - HMO
  • MHP Silver Standard - HMO
  • MHP Young Adult/Catastrophic - HMO
  • MyPriority Balanced Silver - HMO
  • MyPriority Premier Silver - HMO
  • MyPriority Standard Bronze - HMO
  • MyPriority Standard Bronze - Travel - HMO
  • MyPriority Standard Gold - HMO
  • MyPriority Standard Silver - HMO
  • MyPriority Standard Silver - Travel - HMO
  • MyPriority Value Bronze - HMO
  • MyPriority Value Bronze HSA - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Mark Langlois is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Langlois is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1850517913

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20170706001188

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Medical/Surgical Supplies (DA000N)

    Tape, non-waterproof, per 18 square inches (HCPCS:A4450)

    1 DME suppliers used 12 Medicare Claims 684 Services Paid

  • DME-Medical/Surgical Supplies (DA023N)

    Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard (HCPCS:A6446)

    1 DME suppliers used 12 Medicare Claims 2017 Services Paid

  • DME-Other DME (DE000N)

    Walker, folding, wheeled, adjustable or fixed height (HCPCS:E0143)

    5 DME suppliers used 14 Medicare Claims 14 Services Paid

  • DME-Hospital Beds (DB000N)

    Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress (HCPCS:E0260)

    4 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    6 DME suppliers used 47 Medicare Claims 47 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    1 DME suppliers used 71 Medicare Claims 71 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Advance care planning, first 30 minutes

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

This service was performed 72 times for 67 patients

Advance care planning, first 30 minutes

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

This service was performed 59 times for 56 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 39 times for 39 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 96 times for 83 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 90 times for 75 patients

Nursing facility discharge management, more than 30 minutes

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

This service was performed 49 times for 45 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

This service was performed 37 times for 34 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

This service was performed 22 times for 22 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

This service was performed 84 times for 58 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 678 times for 113 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 94 times for 43 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 493 times for 73 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.18 for a new patient copayment and $24.11 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 49635 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $84.74
  • Minimum New Patient Price $54.34
  • Maximum New Patient Price $166.68
  • Average New Patient Copayment $21.18
  • Minimum New Patient Copayment $13.58
  • Maximum New Patient Copayment $41.67

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $96.44
  • Minimum Established Patient Price $17.09
  • Maximum Established Patient Price $135.4
  • Average Established Patient Copayment $24.11
  • Minimum Established Patient Copayment $4.27
  • Maximum Established Patient Copayment $33.85

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Mark Langlois is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MUNSON HEALTHCARE CADILLAC HOSPITAL400 HOBART ST
CADILLAC, MI 49601
(231) 876-7200Acute Care Hospitals
MUNSON MEDICAL CENTER1105 SIXTH STREET
TRAVERSE CITY, MI 49684
(231) 935-5000Acute Care Hospitals
PAUL OLIVER MEMORIAL HOSPITAL224 PARK AVENUE
FRANKFORT, MI 49635
(231) 352-2200Critical Access Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1295154656, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 1 → 2 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 8 + 5 + 2 + 5 + 8 + 6 + 1 + 0 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295154656.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295154656, enumerated as an "individual" on April 14, 2014.

The provider is located at PO BOX 1652 FRANKFORT, MI 49635 and the phone number is (231) 955-9565.

Family Medicine with taxonomy code 207Q00000X.

The provider might be accepting Accepts: Blue Cross Blue Shield of Michigan Mutual. Please consult your insurance carrier or call the provider to verify.

Mark Langlois is affiliated with: MUNSON HEALTHCARE CADILLAC HOSPITAL, MUNSON MEDICAL CENTER and PAUL OLIVER MEMORIAL HOSPITAL.