Geoffrey Colin Williams, MD, PHD
Geoffrey Colin Williams is an Internal Medicine specialist based in Ann Arbor, MI with over 43 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 43 years in internal medicine, Geoffrey Colin Williams, MD, PHD is a long-established internist in Ann Arbor. A Wayne State University School of Medicine graduate since 1983, he brings 43+ years of experience. A physician who provides long-term, comprehensive care in the office and the hospital. CMS MIPS quality score: 99.04/100 (2023).
At a glance
- Federal MIPS score higher than 62% of MIPS-scored doctors in Michigan
- Virtual visits available — no app or travel required
Older · 984dNPPES updated 2023-09-15 · verify NPI on CMS · Verify license at Michigan Board of Medicine
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Michigan.
MIPS Score
202399.04/100
Michigan avg: 85.2 · US avg: 83.6
✓ Higher than most doctors nationally(+15.4 pts)
Average range among MIPS-scored doctors in MichiganHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Prescription Recipients
20
Patients prescribed
Prescriptions Written
51
Total claims
Total Medicare drug cost: $11k
Percentile rankings compared against 1,194 reporting peers in Michigan.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
$115 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Geoffrey Colin Williams's NPI.
Social Vulnerability Index: 0.59 / 1.00
Moderate vulnerabilityHe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1983
Wayne State University School of Medicine
Board certified · Sep 14, 2023
Self-reported via NPPES
43 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Wayne State University School of Medicine (Class of 1983)
Mailing address
3621 S State St, Ann Arbor, MI 48108-1633
Differs from practice location
Virtual Internal Medicine Care With Geoffrey Colin Williams
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Geoffrey Colin Williams for follow-ups, medication reviews, and ongoing care — no travel to Ann Arbor required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Geoffrey Colin Williams
NPI records show Dr. Williams as active with telehealth listed in Ann Arbor, MI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (888) 287-1082.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · HRSA HPSA · CDC SVI. See Data Methodology.
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Contact Geoffrey Colin Williams
Practice Location
24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105-9484
Mailing Address
3621 S State St, Ann Arbor, MI 48108-1633
This is a provider directory. Contact the office directly to schedule appointments.
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