DR. GEOFFREY COLIN WILLIAMS MD, PHD
NPI 1386673622
Internal Medicine in Ann Arbor, MI
About Dr. Geoffrey Colin Williams Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY COLIN WILLIAMS MD, PHD (NPI 1386673622) is an individual internal medicine provider in Ann Arbor, Michigan, licensed in Michigan (4301508919) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Geoffrey Colin Williams Md, Phd 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.
Areas of Expertise CMS Part B claims 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
ANN ARBOR, MI 48105
ANN ARBOR, MI 48105
ANN ARBOR, MI 48105
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 Williams's NPI number?
The NPI number for Geoffrey Williams is 1386673622. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is Geoffrey Williams located?
Geoffrey Williams practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105. The listed phone number is (888) 287-1082.
What is Geoffrey Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Geoffrey Williams enrolled in Medicare?
Yes. Geoffrey 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 Geoffrey Williams accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Geoffrey 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.
Is Geoffrey Williams affiliated with any hospitals?
According to CMS data, Geoffrey Williams is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Geoffrey Williams was last updated on September 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
