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

Dr. Nicholas Twidale, MD, PHD

Individual provider Cardiovascular Disease Physician · NPI 1104886209

Dr. Nicholas Twidale, MD, PHD is a Cardiovascular Disease (Cardiology) in Elk City, Oklahoma. Qualified in 1981, 45 years ago. Practices with Ohh Physicians LLC, a 133-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
45
Licensed in
OK
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1701 W Avenue A
Elk City, OK 73644-3901
Phone: (580) 225-6220
Fax: (580) 225-6399
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 17189 (OK)

Record details

NPI number1104886209
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESJune 6, 2022
Certification dateJune 6, 2022
Mailing address7800 Nw 85th Ter, Oklahoma City, OK 73132-3385

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Ohh Physicians Llc — 133 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount