GEOFFREY DOUGLAS MCWILLIAMS D.O.
NPI 1538589684
Radiology - Diagnostic Radiology in Sacramento, CA

Active since April 16, 2014PECOS EnrolledAccepts Medicare Assignment
69.15/100
CMS Quality Rating
4860 Y ST STE 3100, SACRAMENTO, CA 95817(916) 703-2273 Get Directions Write a Review

NPPES record last updated: August 20, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Geoffrey Douglas Mcwilliams D.o. NPPES

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

GEOFFREY DOUGLAS MCWILLIAMS D.O. (NPI 1538589684) is an individual diagnostic radiology provider in Sacramento, California, licensed in California (14774) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of University Of New England, College Of Osteo Medicine (2014).

NPPES Registry Identity

NPI1538589684
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameGEOFFREY DOUGLAS MCWILLIAMSCredential: D.O.
Location Address4860 Y ST STE 3100Sacramento, CA 95817-2307
Mailing Address4860 Y St Ste 3100Sacramento, CA 95817-2307
Sole ProprietorNo
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2014
Enumeration DateApril 16, 2014
Last NPPES UpdateAugust 20, 2019
NPI 1538589684 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 · 14774
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
4860 Y ST STE 3100, Sacramento, CA 95817

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

Geoffrey Douglas Mcwilliams D.o. 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 ID5193044998
PECOS Enrollment IDI20191025000270, I20200519000413
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 28

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.

Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
290 services283 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.
242 services233 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.
136 services136 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
134 services132 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
106 services105 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
55 services55 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Parma Community General Hospital

Acute Care Hospitals · Parma, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360041
Location7007 Powers BoulevardParma, OH 44129 · Cuyahoga County

Lake Health

Acute Care Hospitals · Concord, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360098
Location7590 Auburn RoadConcord, OH 44077 · Lake County
Emergency services

Uh St John Medical Center

Acute Care Hospitals · Westlake, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360123
Location29000 Center Ridge RoadWestlake, OH 44145 · Cuyahoga County
Emergency services

University Hospitals Ahuja Medical Center

Acute Care Hospitals · Beachwood, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360359
Location3999 Richmond RoadBeachwood, OH 44122 · Cuyahoga County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
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.

69.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.56
Promoting Interoperability88
Improvement Activities40
Cost23.62

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.

Student in an Organized Health Care Education/Training Program
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Neuroradiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Diagnostic Radiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Diagnostic Radiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Pediatric Radiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Vascular & Interventional Radiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817
Radiology (Diagnostic Radiology)
4860 Y ST STE 3100
SACRAMENTO, CA 95817

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 Geoffrey Mcwilliams's NPI number?

The NPI number for Geoffrey Mcwilliams is 1538589684. It was assigned to this individual provider in the NPPES registry on April 16, 2014.

Where is Geoffrey Mcwilliams located?

Geoffrey Mcwilliams practices at 4860 Y St Ste 3100, Sacramento, CA 95817. The listed phone number is (916) 703-2273.

What is Geoffrey Mcwilliams's specialty?

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

Is Geoffrey Mcwilliams enrolled in Medicare?

Yes. Geoffrey Mcwilliams 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 Geoffrey Mcwilliams accept?

Health plans from Antidote Health Plan of Ohio, Inc., Blue Cross and Blue Shield of Texas and CareSource list Geoffrey Mcwilliams 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.

Is Geoffrey Mcwilliams affiliated with any hospitals?

According to CMS data, Geoffrey Mcwilliams is affiliated with Parma Community General Hospital, Lake Health, Uh St John Medical Center and University Hospitals Ahuja Medical Center.

When was this NPI record last updated?

The NPPES record for Geoffrey Mcwilliams was last updated on August 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.