Are you Dr. Twardowski? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 743 Horizon CT, Suite 100, Grand Junction, CO 81506
About Dr. Twardowski
Based in Grand Junction, CO, Mark A. Twardowski, DO is listed in the NPI registry under family medicine. Mark graduated from Kansas City Medical College in 1988. Medicare claims data shows Mark provided 2,989 services to 1,345 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection, methylprednisolone acetate, 1 mg, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'. NPI 1437118387 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (970) 241-7600
- Email not available
Practice Locations
743 HORIZON CT SUITE 100
Grand Junction, CO 81506
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Bariatrics
Cancer Prevention
Cancer risk
Digestive
Environmental health
- Asbestos Exposure
- Contaminated drinking water exposure
- Heat exhaustion and heat stroke
- Radon gas exposure
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Wildfire smoke and air pollution exposure
- Workplace Chemical Exposure
General wellness
Heart health
Infectious Disease
Infectious disease
Kidney health
Lifestyle & wellness
Lifestyle health
Longevity
Metabolic & Lifestyle
Occupational health
Occupational Health
Rashes & allergy
Sexual Health
Sexual health
Substance use
Travel health
Wellness and energy
Workplace health
Wounds & skin
Most searched conditions
Cardiometabolic
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Addiction & habits
Bladder & bowel
Breathing
Cancer Screening
Cancer screening
Checkups & exams
Chronic illness
Diagnostic testing
Diagnostic Tests
- COVID-19 Rapid Test
- COVID-19 testing
- Rapid Flu Swab
- Rapid Strep and Flu Swabs
- Urine Pregnancy Test
- Urine Drug Screen
Diagnostics & screening
Environmental health
Exams
Exams & Screenings
Fitness & body composition
Foot and Leg Pain
Heart & Circulation
Heart & circulation
Immunizations
Infection & Microbiology Tests
Lifestyle & Prevention
Longevity
Lower endoscopy
Metabolic health
Minor Procedures
Occupational health
Occupational Health
Office procedures
- Minor laceration repair
- Removal of a minor skin lesion
- Superficial foreign-body removal
- Earwax removal
- Incision and drainage of an abscess
Post-Op Care
Preventive and evaluation
Preventive Care
Preventive imaging
Preventive interventions
- Vaccinations and immunizations
- Weight-management counseling
- Birth control counseling
- Smoking cessation counseling
Preventive screening
Routine Blood Tests
Screening & labs
Screening and diagnostic testing
Screening and testing
- Blood pressure screening
- Diabetes and prediabetes screening
- Point-of-care laboratory testing
- Cholesterol screening
- Depression screening
- EKG
Skin Procedures
Sleep Health
Travel Health
Travel medicine
Urgent Care Procedures
Wellness
Wellness & Screening
Wellness & Weight
Women's Health
Workplace health
Wound care
Wounds & skin
Sleep
Most searched procedures
Injections
Lungs & Breathing
- Pulmonary function test
Pain Management
Respiratory
Senior Care
Sexual & Reproductive Health
Procedures Most Often Billed to Medicare
2,989 services · 1,345 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
223 | More often than most peers in Family Medicine |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
42 | More often than most peers in Family Medicine |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
21 | More often than most peers in Family Medicine |
| Removal of impacted ear wax by washing | Procedure | 69209 |
20 | More often than most peers in Family Medicine |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
17 | As often as other peers in Family Medicine |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
15 | Less often than most peers in Family Medicine |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
12 | Less often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
42 | More often than most peers in Family Medicine |
| Osteopathic manipulative treatment, 3-4 body regions | Treatment | 98926 |
39 | As often as other peers in Family Medicine |
| Osteopathic manipulative treatment, 1-2 body regions | Treatment | 98925 |
38 | As often as other peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other family doctors in Grand Junction 8
Same specialty, same city.
Trained at Kansas City Medical College 8
Other providers in the same specialty who trained at the same institution.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Dr. Twardowski specialize in?
Dr. Twardowski is a family doctor in Grand Junction, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dr. Twardowski located?
Dr. Twardowski is listed at 743 Horizon CT Suite 100, Grand Junction, CO 81506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Twardowski's phone number?
The number on file is (970) 241-7600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Twardowski?
Dr. Twardowski's National Provider Identifier is 1437118387. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Twardowski go to medical school?
Dr. Twardowski attended Kansas City Medical College, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Twardowski have?
Dr. Twardowski has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Twardowski do most often?
According to Medicare billing data, Dr. Twardowski performs procedures including insertion of needle into vein for collection of blood sample, aspiration and/or injection of fluid from large joint and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as influenza vaccine split virus, preservative free and osteopathic manipulative treatment, 3-4 body regions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Twardowski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Twardowski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.