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

Nancy Williams, MD

Individual provider Internal Medicine Physician · NPI 1235190448

Nancy Williams, MD is an Internal Medicine in Tulsa, Oklahoma. Graduated from University of Oklahoma College of Medicine in 2001, 25 years ago. Practices with Ahs Oklahoma Physician Group LLC, a 315-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
25
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2006
Specialties on file
2
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

1705 E 19th St Ste 302
Tulsa, OK 74104-5405
Phone: (918) 748-7585
Fax: (918) 748-7539
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence 22490 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence 22490 (OK)

Record details

NPI number1235190448
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2006
Last updated in NPPESDecember 16, 2015
Mailing addressPo Box 2339, Elk City, OK 73648-2339

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPICE/PALLIATIVE CARE
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Ahs Oklahoma Physician Group Llc — 315 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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