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

Mark E Reader, DO

Individual provider Otology & Neurotology Physician · NPI 1649363334

Mark E Reader, DO is an Otolaryngology in Porterville, California. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1987, 39 years ago. Practices with Sequoia Healthcare Alliance, a 13-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
CA
In the registry since
2006
Specialties on file
2
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.

See every abbreviation used in this directory →

Practice location Address checks out

590 W Putnam Ave
Porterville, CA 93257-3257
Phone: (559) 781-3700
Show map & directions

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

Additional practice locations (1)

  • 390 Pearson Dr, Porterville, CA 93257-3368 — (559) 781-3700

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 20A8888 (CA)
Otology & Neurotology Physician Taxonomy 207YX0901X · Licence 20A8888 (CA)

Record details

NPI number1649363334
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 2, 2006
Last updated in NPPESNovember 12, 2025
Certification dateNovember 12, 2025
Mailing address390 N. Pearson Drive, Porterville, CA 93257

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1987 (39 years in practice)
Group practice Sequoia Healthcare Alliance — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount