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

William Isaac Feingold, DO

Individual provider Internal Medicine Physician · NPI 1417392846

William Isaac Feingold, DO is an Internal Medicine in Dallas, Texas. Graduated from Philadelphia College of Osteopathic Medicine in 2013, 13 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
13
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
TX
In the registry since
2013
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

3600 Gaston Ave Wadley 1059
Dallas, TX 75246-1800
Phone: (214) 820-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence Q7364 (TX)

Record details

NPI number1417392846
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 29, 2013
Last updated in NPPESMarch 31, 2022
Certification dateMarch 31, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2013 (13 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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