Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Kellar Winkelmeyer, MD

Individual provider Nephrology Physician · NPI 1316943475

Dr. William Kellar Winkelmeyer, MD is a Nephrology in Columbia, Missouri. Qualified in 1981, 45 years ago. Practices with Nephrology and Hypertension Associates, a 5-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
45
Licensed in
MO
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1205 W Broadway
Columbia, MO 65203-2125
Phone: (573) 499-0642
Fax: (573) 449-1787
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 36326 (MO)

Record details

NPI number1316943475
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2005
Last updated in NPPESOctober 5, 2022
Certification dateOctober 5, 2022
Mailing address1205 W Broadway, Columbia, MO 65203-2125

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Nephrology And Hypertension Associates — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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