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

Krystal Marie Vonfeldt, DO

Individual provider Family Medicine Physician · NPI 1114294741

Krystal Marie Vonfeldt, DO is a Family Practice in Duncan, Oklahoma. Qualified in 2011, 15 years ago. Practices with Duncan Regional Hospital, Inc, a 67-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
15
Licensed in
OK
In the registry since
2011
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.

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Practice location Address checks out

2120 W Elk Ave
Duncan, OK 73533-1569
Phone: (580) 251-6822
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5284 (OK)

Record details

NPI number1114294741
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 28, 2011
Last updated in NPPESMarch 17, 2023
Certification dateMarch 17, 2023

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Duncan Regional Hospital, Inc — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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