MARK A NEAULT MD
NPI 1255329801
Orthopaedic Surgery - Sports Medicine in Lincolnshire, IL

NPI Status: Active since October 07, 2005

Contact Information

100 VILLAGE GRN
SUITE 120
LINCOLNSHIRE, IL
ZIP 60069
Phone: (847) 634-1766

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  • Individual
  • Male
  • Years of Experience 31
  • Orthopaedic Surgery
  • Sports Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARK NEAULT

This page provides the complete NPI Profile along with additional information for Mark Neault, a provider established in Lincolnshire, Illinois with a medical specialization in Orthopaedic Surgery, focusing in sports medicine and more than 31 years of experience. He graduated from Northwestern University Feinberg Medical School in 1996. The healthcare provider is registered in the NPI registry with number 1255329801 assigned on October 2005. The practitioner's primary taxonomy code is 207XX0005X with license number 036106039 (IL). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1255329801
Provider Name
MARK A NEAULT MD
Gender
Male
Entity Type
Individual
Location Address
100 VILLAGE GRN SUITE 120 LINCOLNSHIRE, IL 60069
Location Phone
(847) 634-1766
Mailing Address
1000 N WESTMORELAND RD LAKE FOREST, IL 60045
Mailing Phone
(847) 535-8500
Mailing Fax
(847) 535-8499
Medical School Name
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduation Year
1996
Is Sole Proprietor?
No
Enumeration Date
10-07-2005
Last Update Date
06-01-2026
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Location Map

Secondary Locations

  • 1000 N Westmoreland Rd
    Lake Forest, IL 60045
    (847) 535-8500

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

Orthopaedic Surgery Sports Medicine

Taxonomy Code
207XX0005X
Type
Allopathic & Osteopathic Physicians
License No.
036106039
License State
IL
Taxonomy Description
An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

036106039 (IL)

Insurance Plans Accepted

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

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
036106039MEDICAID (05)IL 

Medicare Participation & PECOS Enrollment Status

Mark Neault 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 Neault 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: 6002989068

    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: I20110614000695

    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.

Orthotic Devices

  • DME-Orthotic Devices (DF000N)

    Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf (HCPCS:L3670)

    2 DME suppliers used 13 Medicare Claims 13 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.

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 559 times for 250 patients

Aspiration and/or injection of fluid from medium joint

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

This service was performed 16 times for 11 patients

Computer-assisted surgery for muscle and bone procedure

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

This service was performed 15 times for 15 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 535 times for 280 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 237 times for 196 patients

Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose

Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.

This service was performed 157 times for 33 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

This service was performed 160 times for 21 patients

Injection into tendon or ligament

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

This service was performed 25 times for 21 patients

Injection, methylprednisolone acetate, 40 mg

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

This service was performed 90 times for 68 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 167 times for 167 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 18 times for 18 patients

Partial removal of collar bone at shoulder using an endoscope

This procedure involves the partial removal of the collar bone at the shoulder using an endoscope, a tool with a light and camera. It's done to relieve pain or improve shoulder movement. The surgeon makes small incisions, then uses the endoscope to guide their work.

This service was performed 11 times for 11 patients

Prosthetic repair of shoulder joint, total shoulder

Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.

This service was performed 21 times for 21 patients

Repair of shoulder rotator cuff using an endoscope

This procedure, known as arthroscopic rotator cuff repair, helps fix tears in the shoulder's rotator cuff. An endoscope, a small camera, is used to view the shoulder inside. Using small tools, the surgeon repairs the torn tissue. This minimally invasive approach often leads to a quicker recovery.

This service was performed 11 times for 11 patients

Shaving of part of shoulder bone and repair of ligament using an endoscope

This procedure involves using a tiny camera, called an endoscope, to view and repair a damaged shoulder ligament. Simultaneously, a small portion of the shoulder bone is shaved to alleviate discomfort and improve movement. It's a minimally invasive technique that aids in a quicker recovery.

This service was performed 12 times for 12 patients

X-ray of elbow, minimum of 3 views

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

This service was performed 23 times for 18 patients

X-ray of foot, minimum of 3 views

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

This service was performed 15 times for 12 patients

X-ray of hip, 2-3 views

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

This service was performed 20 times for 20 patients

X-ray of knee, 3 views

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

This service was performed 112 times for 107 patients

X-ray of lower and sacral spine, 2-3 views

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

This service was performed 16 times for 16 patients

X-ray of shoulder, minimum of 2 views

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

This service was performed 308 times for 201 patients

X-ray of upper spine, 2-3 views

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

This service was performed 33 times for 33 patients

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 Neault is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTHWESTERN MEDICINE MCHENRY4201 MEDICAL CENTER DRIVE
MCHENRY, IL 60050
(815) 344-5000Acute Care Hospitals
NORTHWESTERN LAKE FOREST HOSPITAL1000 N WESTMORELAND ROAD
LAKE FOREST, IL 60045
(847) 234-5600Acute Care Hospitals
ADVOCATE CONDELL MEDICAL CENTER801 S MILWAUKEE AVE
LIBERTYVILLE, IL 60048
(847) 362-2900Acute Care Hospitals
NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL25 NORTH WINFIELD ROAD
WINFIELD, IL 60190
(630) 682-1600Acute Care Hospitals

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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 1255329801, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 6 + 2 + 1 + 8 + 8 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1255329801.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Orthopaedic Surgery
100 VILLAGE GRN, SUITE 120
LINCOLNSHIRE, IL 60069
Orthopaedic Surgery
100 VILLAGE GRN, SUITE 120
LINCOLNSHIRE, IL 60069
Specialist
100 VILLAGE GRN, STE 120
LINCOLNSHIRE, IL 60069
Psychiatry & Neurology (Psychiatry)
100 VILLAGE GRN, STE 220
LINCOLNSHIRE, IL 60069
Physical Therapist (Orthopedic)
100 VILLAGE GRN, SUITE # 120-B
LINCOLNSHIRE, IL 60069
Occupational Therapist (Hand)
100 VILLAGE GRN, SUITE 120B
LINCOLNSHIRE, IL 60069
Specialist/Technologist (Athletic Trainer)
100 VILLAGE GRN, SUITE 120 B
LINCOLNSHIRE, IL 60069
Orthopaedic Surgery (Hand Surgery)
100 VILLAGE GRN, #120
LINCOLNSHIRE, IL 60069

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255329801, enumerated as an "individual" on October 07, 2005.

The provider is located at 100 VILLAGE GRN SUITE 120 LINCOLNSHIRE, IL 60069 and the phone number is (847) 634-1766.

Orthopaedic Surgery with taxonomy code 207XX0005X and a focus in Sports Medicine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Mark Neault is affiliated with: NORTHWESTERN MEDICINE MCHENRY, NORTHWESTERN LAKE FOREST HOSPITAL, ADVOCATE CONDELL MEDICAL CENTER and NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL.