DR. MARK A DENNIS M.D.
NPI 1649256561
Radiology - Diagnostic Radiology in Englewood, CO

Q: What is the provider's specialty?

The provider's specialty is Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.

Active since December 22, 2005PECOS EnrolledAccepts Medicare Assignment

85.28/100

CMS Quality Rating

10800 E GEDDES AVE STE 300, ENGLEWOOD, CO 80112(303) 761-9190(720) 874-4462 Get Directions Write a Review

NPPES record last updated: December 14, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Mark A Dennis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A DENNIS M.D. (NPI 1649256561) is an individual diagnostic radiology provider in Englewood, Colorado, licensed in Colorado (23198) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1649256561

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. MARK A DENNISCredential: M.D.

Location Address10800 E GEDDES AVE STE 300Englewood, CO 80112-3895

Mailing Address10800 E Geddes Ave Ste 300Englewood, CO 80112-3895 · (303) 761-9190 · Fax (720) 874-4462

Phone(303) 761-9190

Fax(720) 874-4462

Sole ProprietorNo

Medical School CMSOtherGraduated 1979

Enumeration DateDecember 22, 2005

Last NPPES UpdateDecember 14, 2022

NPPES CertifiedDecember 14, 2022

✔ NPI 1649256561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in CO · 23198✔ Licensed in NE · 25104✔ Licensed in KS · 04-36688✔ Licensed in HI · MD17507

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

10800 E GEDDES AVE STE 300, Englewood, CO 80112

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Other Identifiers 19

Medicaid10025709000NE

Medicaid2301381LA

Medicaid1649256561WY

Medicaid1649256561IA

Medicaid200364600IN

Medicaid23727055NM

Medicaid01231984CO

Medicaid42866602AZ

Medicaid64048556KY

Medicaid104699390MI

Medicaid1649256561MT

Medicaid1649256561MO

Medicaid200425880AKS

Medicaid1649256561CA

Medicaid200638130AOK

Medicaid0224905WA

Medicaid200067205MO

Medicaid208221601TX

Medicaid84-059792913NE

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark A Dennis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325947724

PECOS Enrollment IDI20091002000065

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

1,252 services1,252 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

1,213 services1,213 patients

Injection, gadoteridol, (prohance multipack), per ml A9576

Gadoteridol, found in ProHance Multipack, is a contrast agent used in MRI scans. It's injected into your body to help highlight certain areas, making them easier to see. This can assist in diagnosing various health conditions. It's generally safe with few side effects.

407 services27 patients

Injection, gadobenate dimeglumine (multihance), per ml A9577

Gadobenate Dimeglumine (MultiHance) is a contrast agent used in MRI scans. Injected into your body, it helps to enhance the quality of the images captured during the scan. It aids in highlighting differences between normal and abnormal tissues, making diagnosis easier and more accurate.

286 services19 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

117 services117 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

92 services92 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

79 services79 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

56 services56 patients

Screening 3d breast mammography 77063

55 services55 patients

Screening mammography 77067

55 services55 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

49 services49 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

46 services46 patients

Diagnostic mammography of 1 breast 77065

32 services31 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

25 services24 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

18 services18 patients

Placement of locating device in breast using ultrasound guidance, first growth 19285

This procedure involves inserting a small locating device into the breast tissue using ultrasound. The device helps accurately mark the position of the first growth. This aids in precise treatment planning. It's a non-invasive process with minimal discomfort.

15 services15 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

13 services13 patients

X-ray of surgical specimen 76098

An X-ray of a surgical specimen involves taking detailed images of the tissue or organ removed during surgery. This helps in examining the specimen more closely to understand the disease better. It's a safe, non-invasive procedure, providing valuable insights to your healthcare team.

13 services12 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$72.20 typical visit price

range $18.88 – $142.79

Typical copayment $18.05 (range $4.72 – $35.69)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.28/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

98.13

Improvement Activities

Cost

54.36

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH M BEALE MD

Radiology (Diagnostic Radiology)