DR. MARK DAVID ALSON M.D.
NPI 1063418028
Radiology - Diagnostic Radiology in Clovis, CA

Q: What is Mark Alson's NPI number?

The NPI number for Mark Alson is 1063418028. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Q: What is Mark Alson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Mark Alson was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 23, 2005PECOS EnrolledAccepts Medicare Assignment

91.24/100

CMS Quality Rating

231 W FIR AVE, CLOVIS, CA 93611(559) 297-0300(559) 323-5461 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Mark David Alson M.d. NPPES

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

DR. MARK DAVID ALSON M.D. (NPI 1063418028) is an individual diagnostic radiology provider in Clovis, California, licensed in California (G73190) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of University Of California, San Diego School Of Medicine (1990).

NPPES Registry Identity

NPI1063418028

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. MARK DAVID ALSONCredential: M.D.

Location Address231 W FIR AVEClovis, CA 93611-0220

Mailing Address231 W Fir AveClovis, CA 93611-0220 · (559) 297-0300 · Fax (559) 323-5461

Phone(559) 297-0300

Fax(559) 323-5461

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1990

Enumeration DateJune 23, 2005

Last NPPES UpdateMarch 19, 2025

NPPES CertifiedMarch 19, 2025

✔ NPI 1063418028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · G73190

Definition

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

231 W FIR AVE, Clovis, CA 93611

Open in Google Maps ↗

Secondary Practice Location 1

Location 11510 E Herndon Ave Ste 110Fresno, CA 93720-3333 · Phone (559) 450-6742 · Fax (559) 450-6743

Other Identifiers 1

Medicaid00G731900CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark David Alson 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 ID3870550320

PECOS Enrollment IDI20041216000371

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.

Medicare Billing Reassignments

Medicare enrollment records show Mark Alson reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Agnes Medical Foundation

2.8 mi

Internal Medicine

1303 E HERNDON AVE, SUITE 850
Fresno, CA 93720

Reassigned Medicare billing, California enrollment
296 clinicians in this Medicare group

NPI 1558819482 (559) 450-5611

Forefront Radiology Medical Group PC

2.8 mi

Diagnostic Radiology

1303 E HERNDON AVE
Fresno, CA 93720

Reassigned Medicare billing, California enrollment
25 clinicians in this Medicare group

NPI 1689232449 (559) 420-3000

Fresno Imaging Center

3.9 mi

Diagnostic Radiology

6191 N THESTA ST
Fresno, CA 93710

Reassigned Medicare billing, California enrollment
232 clinicians in this Medicare group

NPI 1659456499 (559) 447-2600

Modesto Advanced Diagnostic Imaging Medical Center

91 mi

Diagnostic Radiology

157 E COOLIDGE AVE
Modesto, CA 95350

Reassigned Medicare billing, California enrollment
219 clinicians in this Medicare group

NPI 1730133893 (209) 524-6800

Stockton Diagnostic Imaging

118 mi

Diagnostic Radiology

1801 E MARCH LN STE A130
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
219 clinicians in this Medicare group

NPI 1356538201 (209) 475-9871

Norcal Imaging

134 mi

Diagnostic Radiology

2201 WALNUT AVE, SUITE # 150
Fremont, CA 94538

Reassigned Medicare billing, California enrollment
238 clinicians in this Medicare group

NPI 1013031772 (510) 713-1234

Diagnostic Radiological Imaging

151 mi

Diagnostic Radiology

79 SCRIPPS DR
Sacramento, CA 95825

Reassigned Medicare billing, California enrollment
220 clinicians in this Medicare group

NPI 1710931910 (916) 921-1300

Radnet Medical Imaging-San Francisco

164 mi

Diagnostic Radiology

3440 CALIFORNIA ST
San Francisco, CA 94118

Reassigned Medicare billing, California enrollment
219 clinicians in this Medicare group

NPI 1548345382 (415) 922-6767

Beverly Radiology Medical Group

196 mi

Diagnostic Radiology

15243 VANOWEN ST
Van Nuys, CA 91405

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Beverly Radiology Medical Group Iii
Also billed through NPI 1962457812 (California)
335 clinicians in this Medicare group

NPI 1164760823 (818) 782-6110

San Fernando Valley Interventional Radiology And Imaging Center

197 mi

Vascular-Interventional Technology

16311 VENTURA BLVD STE 120
Encino, CA 91436

Reassigned Medicare billing, California enrollment
329 clinicians in this Medicare group

NPI 1942350889 (310) 445-2951

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 31

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

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

6,150 services39 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

2,600 services26 patients

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.

1,175 services1,175 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.

1,170 services1,170 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.

486 services486 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.

231 services215 patients

Dxa bone density measurement of forearm, finger, hand, or foot 77081

A DXA bone density measurement of the forearm, finger, hand, or foot is a non-invasive procedure that uses X-rays to measure the amount of calcium and other minerals in your bones. This test helps to assess the strength of your bones and your risk of fractures.

150 services150 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.

145 services127 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.

115 services115 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.

111 services108 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.

101 services88 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.

85 services85 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.

48 services45 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

35 services27 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.

30 services30 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.

28 services28 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

26 services26 patients

Biopsy of breast and placement of locating device using x-ray with needle, first growth 19081

A biopsy of the breast involves extracting a small sample of tissue for examination. A locating device placement, guided by x-ray, aids in identifying the exact spot of the first growth. A needle is used in both processes to ensure precision and minimal discomfort.

21 services21 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

21 services21 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

17 services17 patients

Urea nitrogen level to assess kidney function, quantitative 84520

The urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.

16 services16 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

15 services15 patients

Placement of soft tissue locating device using x-ray, first growth 10035

This procedure involves placing a device within the body's soft tissue to locate a specific growth. Using X-ray technology, the device is accurately positioned. This method aids in tracking the growth's changes, assisting in treatment decisions.

14 services13 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

14 services14 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

14 services14 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

12 services12 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

12 services12 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

12 services12 patients

X-ray of chest, 2 views 71046

11 services11 patients

X-ray of lower and sacral spine, 2-3 views 72100

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.

11 services11 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93611 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

91.24/100

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

Scored as part of a group practice

Quality

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

87%76 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 9

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

DR. SADRI MEHMET AKIN M.D.

Radiology (Diagnostic Radiology)