ALAN C WILLIAMS MD
NPI 1922118512
Radiology - Diagnostic Radiology in Wausau, WI

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
2727 PLAZA DRIVE, WAUSAU, WI 54401(715) 387-9055 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alan C Williams Md NPPES

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

ALAN C WILLIAMS MD (NPI 1922118512) is an individual diagnostic radiology provider in Wausau, Wisconsin, licensed in Wisconsin (29845) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1975).

NPPES Registry Identity

NPI1922118512
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameALAN C WILLIAMSCredential: MD
Location Address2727 PLAZA DRIVEWausau, WI 54401
Mailing Address1000 N Oak AveMarshfield, WI 54449-5777
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1975
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1922118512 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 WI · 29845
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2727 PLAZA DRIVE, Wausau, WI 54401

Other Identifiers 2

Medicare UPINE46140
Medicaid31441900WI

Accepted 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

Alan C Williams 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 ID4385544659
PECOS Enrollment IDI20200326002668
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 38

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.

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.
631 services621 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.
440 services439 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.
155 services153 patients
X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
96 services81 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
88 services67 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.
83 services83 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored

Other Providers at the Same Location NPPES 19

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

Internal Medicine
2727 PLAZA DRIVE
WAUSAU, WI 54401
Preventive Medicine (Occupational Medicine)
2727 PLAZA DRIVE
WAUSAU, WI 54401
Obstetrics & Gynecology
2727 PLAZA DRIVE
WAUSAU, WI 54401
Physician Assistant
2727 PLAZA DRIVE
WAUSAU, WI 54401
Internal Medicine
2727 PLAZA DRIVE
WAUSAU, WI 54401
Internal Medicine
2727 PLAZA DRIVE
WAUSAU, WI 54401
Radiology (Diagnostic Radiology)
2727 PLAZA DRIVE
WAUSAU, WI 54401
Internal Medicine
2727 PLAZA DRIVE
WAUSAU, WI 54401

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 Alan Williams's NPI number?

The NPI number for Alan Williams is 1922118512. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Alan Williams located?

Alan Williams practices at 2727 Plaza Drive, Wausau, WI 54401. The listed phone number is (715) 387-9055.

What is Alan Williams's specialty?

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

Is Alan Williams enrolled in Medicare?

Yes. Alan Williams 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.

What insurance does Alan Williams accept?

Health plans from Molina Healthcare list Alan Williams 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 Alan Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.