Dr. Nathan Joseph-Rudolph Winkler, MD

Dr. Winkler practices at Corewell Health Medical Group West in Holland, Michigan.

Dr. Winkler's NPI, 1780179903, was assigned on June 29, 2018. Dr. Winkler holds Michigan license 4301116061.

Dr. Winkler's primary practice is Corewell Health Medical Group West, at 588 E Lakewood Blvd, Holland, MI 49424 in Ottawa County. The practice phone is (616) 395-9000.

Dr. Winkler's primary practice is Corewell Health Medical Group West in Holland, Michigan. Dr. Winkler is also affiliated with Holland Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Winkler to 2 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winkler practices, 4 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Winkler's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Winkler is licensed in Michigan.

CMS data shows 16 Medicare services from Dr. Winkler across 1 procedure code in 2024, all of them office visits, for 45 Medicare patients. Medicare paid $1,060 for them. Every service was in an office.

CMS counts 45 Medicare patients who saw Dr. Winkler in 2024. The largest group is 75 to 84, with 17 patients. 71% of them have high cholesterol, and 64% have high blood pressure. 31% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Winkler's median patient age at 56, with 51% women.

In 2024, Dr. Winkler wrote 77 Medicare Part D claims for 56 patients. 92% of them were for generic drugs. CMS names the drug for 38 of them, across 1 drug with 11 or more claims each, at $87 in total drug cost. In 2023, CMS named 16 claims across 1 drug.

Dr. Winkler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 12 general payments to Dr. Winkler from 6 drug and device companies from 2022 to 2025. Education make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $3,935.