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- 1605 Douglas St, Sioux City, IA 51105
About Dr. Carlson
Mark O. Carlson, M.D. is a healthcare provider in Sioux City, IA specializing in internal medicine. Mark trained at University of Minnesota Medical School, graduating in 1986. According to Medicare claims data, Mark cared for 1,751 Medicare patients across 2,608 services. 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, insertion of needle into vein for collection of blood sample, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. This provider record is associated with NPI 1609837368.
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
- (712) 234-1005
- Email not available
Practice Locations
1605 DOUGLAS ST
Sioux City, IA 51105
Conditions Commonly Evaluated or Treated
Within Internal 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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
2,608 services · 1,751 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
381 | More often than most peers in Internal Medicine |
| Removal of impacted ear wax | Procedure | 69210 |
16 | As often as other peers in Internal Medicine |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
17 | Less often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
133 | More often than most peers in Internal Medicine |
| Test to measure rate of airflow | Treatment | 94375 |
113 | More often than most peers in Internal Medicine |
| Test for balance and posture | Treatment | 92548 |
102 | More often than most peers in Internal Medicine |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
100 | More often than most peers in Internal Medicine |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | Treatment | 93015 |
71 | More often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
40 | As often as other peers in Internal Medicine |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
128 | More often than most peers in Internal 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other internists in Sioux City 8
Same specialty, same city.
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1986 at University of Minnesota Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IA who bill this service to Medicare most often.
Common questions
What is Mark O. Carlson's specialty?
Mark O. Carlson is an internist in Sioux City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Mark O. Carlson?
Mark O. Carlson is listed at 1605 Douglas St, Sioux City, IA 51105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark O. Carlson?
The number on file is (712) 234-1005. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark O. Carlson's NPI number?
Mark O. Carlson's National Provider Identifier is 1609837368. 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
What is Mark O. Carlson's education?
Mark O. Carlson attended University of Minnesota Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark O. Carlson been practicing?
Mark O. Carlson has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Mark O. Carlson known for?
According to Medicare billing data, Mark O. Carlson performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and test to measure rate of airflow, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark O. Carlson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark O. Carlson. If this is you, claiming it is free.
Guide.md
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