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

Mark Sehgal, MD

Individual provider Otolaryngology Physician · NPI 1801888441

Mark Sehgal, MD is an Otolaryngology in McAlester, Oklahoma. Graduated from Wayne State University School of Medicine in 1994, 32 years ago. Practices with Choctaw Nation of Oklahoma, a 270-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
32
Trained at
Wayne State University School of Medicine
Licensed in
OK
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1401 E Van Buren Ave
McAlester, OK 74502
Phone: (918) 421-8446
Fax: (918) 423-4051
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 24851 (OK)

Record details

NPI number1801888441
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2005
Last updated in NPPESApril 14, 2008
Mailing address1401 E Van Buren Ave, Po Box 908, McAlester, OK 74501-4245

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Choctaw Nation Of Oklahoma — 270 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare