Dr. John Michael Williams, MD

Dr. Williams practices at Overlook Medical Center in Summit, New Jersey, part of Atlantic Health System.

Dr. Williams' NPI, 1457389678, was assigned on June 28, 2006. Dr. Williams graduated from Drexel University College of Medicine in 1999. Dr. Williams holds New Jersey license 25MA08118400.

Dr. Williams' primary practice is Overlook Medical Center, at 99 Beauvoir Avenue, Summit, NJ 07901 in Union County. The practice phone is (908) 522-2000.

Dr. Williams' primary practice is Overlook Medical Center in Summit, New Jersey, part of Atlantic Health System. Dr. Williams is also affiliated with Morristown Medical Center. The medical group on file is The Skin Care and Surgery Center. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 3 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Williams is licensed in New Jersey.

CMS data shows 4,576 Medicare services from Dr. Williams across 44 procedure codes in 2024, for 598 Medicare patients. Medicare paid $356,287 for them. Every service was in an office.

CMS counts 598 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 250 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 66, with 52% women.

In 2024, Dr. Williams wrote 1,327 Medicare Part D claims for 372 patients. 85% of them were for generic drugs. CMS names the drug for 1,140 of them, across 24 drugs with 11 or more claims each, at $1,047,139 in total drug cost. In 2023, CMS named 1,073 claims across 25 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 237 procedures of melanoma (skin cancer) excision by Dr. Williams, more than 98% of the clinicians it reports for that procedure.

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 3 papers to Dr. Williams, published from 2019 to 2023. The most frequent topics are Bone Density, Celiac Disease and Osteoporosis. Dr. Williams' most frequent co-authors are Adi Cohen, MD, Elizabeth Joan Shane, MD and David W. Dempster, MD.

CMS Open Payments shows 192 general payments to Dr. Williams from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Janssen Pharmaceuticals, Inc paid the most, $2,600.

Dr. Williams graduated from Drexel University College of Medicine in 1999.