WILLIAM G BERGER MD
NPI 1003827007
Radiology - Diagnostic Radiology in Tucson, AZ

Active since August 11, 2006PECOS EnrolledAccepts Medicare Assignment
60.99/100
CMS Quality Rating
677 N WILMOT RD, TUCSON, AZ 85711(520) 571-9599 Get Directions Write a Review

NPPES record last updated: October 6, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 6, 2022, Jan 3, 2017 (2 updates tracked since 2017).

About William G Berger Md NPPES

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

WILLIAM G BERGER MD (NPI 1003827007) is an individual diagnostic radiology provider in Tucson, Arizona, licensed in Arizona (29957) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lakewood, and is a graduate of Georgetown University School Of Medicine (1995).

NPPES Registry Identity

NPI1003827007
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM G BERGERCredential: MD
Location Address677 N WILMOT RDTucson, AZ 85711-2701
Mailing Address700 E Morehead St Ste 300Charlotte, NC 28202-2742 · (520) 571-9599
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1995
Enumeration DateAugust 11, 2006
Last NPPES UpdateOctober 6, 20222 updates tracked since enumeration
NPPES CertifiedOctober 6, 2022
✔ NPI 1003827007 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 AZ · 29957✔ Licensed in CO · 46267
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
677 N WILMOT RD, Tucson, AZ 85711

Secondary Practice Location 1

Location 111600 W 2nd PlLakewood, CO 80228-1527 · Phone (720) 321-0000 · Fax (720) 321-1621

Other Identifiers 4

Medicaid21135355CO
OtherZWCGCRAZ · Group Medicare Number
OtherP00472013CO · Railroad Medicare
Medicaid646515AZ

Accepted Insurance

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

William G Berger Md 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 ID5890755094
PECOS Enrollment IDI20041012001474
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

3

Medicare enrollment records show William Berger reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
677 N WILMOT RD
Tucson, AZ 85711
  • Reassigned Medicare billing, Arizona enrollment
  • 40 clinicians in this Medicare group
Specialist
2625 N CRAYCROFT RD STE 100
Tucson, AZ 85712
  • Reassigned Medicare billing, Arizona enrollment
  • 136 clinicians in this Medicare group
Diagnostic Radiology
11600 W 2ND PL
Lakewood, CO 80228
  • Reassigned Medicare billing, Colorado enrollment
  • 63 clinicians in this Medicare group

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 55

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.

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.
24,283 services234 patients
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.
10,700 services62 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.
415 services359 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.
222 services221 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
133 services133 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.
116 services114 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85711 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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.

60.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.02
Improvement Activities40
Cost19.44

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 -…
100%639 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%26 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 20

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

Radiology (Vascular & Interventional Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Nurse Practitioner
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711
Radiology (Diagnostic Radiology)
677 N WILMOT RD
TUCSON, AZ 85711

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Berger's NPI number?

The NPI number for William Berger is 1003827007. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is William Berger located?

William Berger practices at 677 N Wilmot Rd, Tucson, AZ 85711. The listed phone number is (520) 571-9599.

What is William Berger's specialty?

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

Is William Berger enrolled in Medicare?

Yes. William Berger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Berger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Berger reassigns Medicare benefits to 3 organizations: Radiology Ltd., LLC (Tucson, AZ), Arizona Oncology Associates PC (Tucson, AZ) and Colorado Imaging Associates P C (Lakewood, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Berger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Berger accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Blue Cross Blue Shield of Arizona list William Berger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Berger was last updated on October 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.