DR. MARK KARDOS TUTTLE M.D.
NPI 1194086900
Internal Medicine - Interventional Cardiology in Longmont, CO
NPI Status: Active since June 07, 2012
Contact Information
1760 E KEN PRATT BLVD STE 205
LONGMONT, CO
ZIP 80504
Phone: (720) 718-8180
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Years of Experience 14
- Internal Medicine
- Interventional Cardiology
- Accepts Insurance
- Accepts Medicare Approved Payment
- PECOS Enrolled
About MARK TUTTLE
This page provides the complete NPI Profile along with additional information for Mark Tuttle, an internist established in Longmont, Colorado with a medical specialization in Internal Medicine, focusing in interventional cardiology and more than 14 years of experience. He graduated from University Of Toledo College Of Medicine in 2012. The healthcare provider is registered in the NPI registry with number 1194086900 assigned on June 2012. The practitioner's primary taxonomy code is 207RI0011X with license number CDRH.0066228 (CO). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1194086900
- Provider Name
- DR. MARK KARDOS TUTTLE M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1760 E KEN PRATT BLVD STE 205 LONGMONT, CO 80504
- Location Phone
- (720) 718-8180
- Mailing Address
- 1801 16TH ST GREELEY, CO 80631
- Mailing Phone
- (970) 810-0900
- Medical School Name
- UNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
- Graduation Year
- 2012
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-07-2012
- Last Update Date
- 05-19-2026
- Code Navigator
An internist like Mark Tuttle is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Secondary Locations
- 2500 Rocky Mountain Ave
Loveland, CO 80538
(970) 624-1833
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
Internal Medicine Interventional Cardiology
- Taxonomy Code
- 207RI0011X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- CDRH.0066228
- License State
- CO
- Taxonomy Description
- An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
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) |
|---|---|---|---|---|
| 1 | 207RC0000X | Allopathic & Osteopathic Physicians | Internal Medicine | CDRH.0066228 (CO) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
- Medica Individual Choice Bronze HSA - EPO
- Medica Individual Choice Bronze Share - EPO
- Medica Individual Choice Bronze Share - HMO
- Medica Individual Choice Expanded Bronze Standard - EPO
- Medica Individual Choice Expanded Bronze Standard - HMO
- Medica Individual Choice Gold $0 Copay PCP Visits - EPO
- Medica Individual Choice Gold $0 Copay PCP Visits - HMO
- Medica Individual Choice Gold Share - EPO
- Medica Individual Choice Gold Share - HMO
- Medica Individual Choice Gold Standard - EPO
- Medica Individual Choice Gold Standard - HMO
- Medica Individual Choice Silver $0 Copay PCP Visits - EPO
- Medica Individual Choice Silver $0 Copay PCP Visits - HMO
- Medica Individual Choice Silver Share - EPO
- Medica Individual Choice Silver Share - HMO
- Medica Individual Choice Silver Standard - EPO
- Medica Individual Choice Silver Standard - HMO
- Medica Insure Bronze $0 Copay PCP Visits - EPO
- Medica Insure Bronze Premier - EPO
- UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
- UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
- UHC Bronze Standard (No Referrals) - EPO
- UHC Bronze Value HSA (No Referrals) - EPO
- UHC Gold Advantage ($0 Virtual Urgent Care, $1 Tier 2 Rx, No Referrals) - EPO
- UHC Gold Advantage+ ($0 Virtual Urgent Care, $1 Tier 2 Rx, Dental + Vision, No Referrals) - EPO
- UHC Gold Standard (No Referrals) - EPO
- UHC Gold Value ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) - EPO
- UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) - EPO
- UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) - EPO
- UHC Silver Standard (No Referrals) - EPO
- UHC Silver Value ($0 Virtual Urgent Care, No Referrals) - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
Mark Tuttle 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 Tuttle 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: 8123317351
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: I20210802000827
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
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.
Ct scan of heart structure with contrast
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician
External shock to heart to regulate heart beat
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
Insertion of needle into vein for collection of blood sample
Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch
Insertion of tube in coronary artery for diagnosis with review by radiologist
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
Outpatient heart rehabilitation with electrocardiogram (ecg) monitoring, quality health care professional services
Placement and subsequent removal of device to protect brain from embolism through catheter using imaging guidance
Repair of left upper heart chamber with implant with review by radiologist
Repair of mitral valve through the skin, initial prosthesis
Replacement of aortic valve through the skin and femoral artery
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring)
Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel
Ultrasound of heart blood flow, valves and chambers
Ultrasound of heart blood flow, valves and chambers, follow-up
Ultrasound of heart with color-depicted blood flow, rate and valve function
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
Ultrasound of heart with probe in esophagus, with report
Ultrasound of heart, follow-up
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
A CT scan of the heart with contrast is a non-invasive test. A dye is injected into your veins, which helps to highlight heart structures in the images. The CT scanner uses X-rays to create detailed pictures of your heart, aiding in diagnosis.
This service was performed 98 times for 96 patientsThis service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
This service was performed 55 times for 51 patientsThis 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 157 times for 122 patientsAn exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
This service was performed 42 times for 42 patientsThis procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.
This service was performed 15 times for 15 patientsInitial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
This service was performed 27 times for 27 patientsInitial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
This service was performed 27 times for 26 patientsThis procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
This service was performed 19 times for 12 patientsThis procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.
This service was performed 28 times for 21 patientsThis procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.
This service was performed 31 times for 31 patientsThis procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.
This service was performed 17 times for 17 patientsThis is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
This service was performed 40 times for 40 patientsThis 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 61 times for 61 patientsOutpatient heart rehabilitation involves regular visits to a clinic for heart health improvement after a cardiac event. During these sessions, an electrocardiogram (ECG) monitors heart activity, while healthcare professionals provide personalized care and education on lifestyle changes, ensuring a safe recovery and reducing future heart risks.
This service was performed 355 times for 70 patientsThis procedure involves inserting a device through a catheter to shield the brain from harmful blood clots (embolism). The process is monitored using imaging technology. After serving its purpose, the device is carefully removed through the same pathway.
This service was performed 43 times for 43 patientsThis is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.
This service was performed 17 times for 17 patientsThis procedure, known as Transcatheter Mitral Valve Repair (TMVR), involves a small tube inserted through your skin into a blood vessel. A device is then guided to your heart to repair the mitral valve, using an initial prosthesis. This is a less invasive alternative to open-heart surgery.
This service was performed 18 times for 18 patientsThis procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
This service was performed 62 times for 62 patientsA routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
This service was performed 31 times for 19 patientsFollow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
This service was performed 54 times for 40 patientsFollow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
This service was performed 13 times for 12 patientsThis service involves therapeutic activities designed to enhance your respiratory function. It includes exercises to strengthen your respiratory muscles and improve endurance. The process is closely monitored by professionals to ensure safety and effectiveness.
This service was performed 102 times for 18 patientsThis procedure involves using ultrasound technology to examine the first vessel of your heart or graft. A radiologist will review the images. It's a non-invasive way to check the health of your heart's blood vessels.
This service was performed 23 times for 22 patientsAn ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.
This service was performed 16 times for 16 patientsThis procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.
This service was performed 66 times for 61 patientsAn ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
This service was performed 87 times for 79 patientsThis is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
This service was performed 70 times for 69 patientsThis procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.
This service was performed 30 times for 27 patientsA follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
This service was performed 75 times for 68 patientsThis procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
This service was performed 60 times for 57 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $33.13 for a new patient copayment and $25.5 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 80504 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $132.55
- Minimum New Patient Price $58.06
- Maximum New Patient Price $174.82
- Average New Patient Copayment $33.13
- Minimum New Patient Copayment $14.51
- Maximum New Patient Copayment $43.7
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99214
- Average Established Patient Price $102.03
- Minimum Established Patient Price $18.88
- Maximum Established Patient Price $142.79
- Average Established Patient Copayment $25.5
- Minimum Established Patient Copayment $4.72
- Maximum Established Patient Copayment $35.69
* 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 Tuttle is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| REGIONAL WEST MEDICAL CENTER | 4021 AVE B SCOTTSBLUFF, NE 69361 | (308) 635-3711 | Acute Care 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 1194086900, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 60 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 10 providers are registered at the same or a nearby location.
LONGMONT, CO 80504
LONGMONT, CO 80504
LONGMONT, CO 80504
LONGMONT, CO 80504
LONGMONT, CO 80504
LONGMONT, CO 80504
LONGMONT, CO 80504
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194086900, enumerated as an "individual" on June 07, 2012.
The provider is located at 1760 E KEN PRATT BLVD STE 205 LONGMONT, CO 80504 and the phone number is (720) 718-8180.
Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.
The provider might be accepting Accepts: Medica and UnitedHealthcare. Please consult your insurance carrier or call the provider to verify.
Mark Tuttle is affiliated with: REGIONAL WEST MEDICAL CENTER.