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

William J Sullivan, DO

Individual provider Internal Medicine Physician · NPI 1093805897

William J Sullivan, DO is an Internal Medicine in Frontenac, Kansas. Graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1990, 36 years ago. Practices with Ability Kc, a 159-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Kansas.

Years since qualifying
36
Trained at
Kansas City University of Med & Biosciences, College of Osteo Med
Licensed in
KS
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

608 Willard
Frontenac, KS 66763-2120
Phone: (620) 231-8849
Fax: (620) 231-8847
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 05-25406 (KS)

Record details

NPI number1093805897
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESAugust 6, 2016
Mailing addressPo Box 1023, Frontenac, KS 66763-1023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolKANSAS CITY UNIVERSITY OF MED & BIOSCIENCES, COLLEGE OF OSTEO MED
Graduated 1990 (36 years in practice)
Group practice Ability Kc — 159 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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