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

Dr. Mark McKinley Ash, MD

Individual provider Dermatology Physician · NPI 1710419379

Dr. Mark McKinley Ash, MD is a Dermatology in Clay, New York. Graduated from Brody School of Medicine at East Carolina University in 2017, 9 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
9
Trained at
Brody School of Medicine at East Carolina University
Licensed in
NY
In the registry since
2017
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

4106 Route 31 # 904
Clay, NY 13041-8789
Phone: (315) 500-3376
Fax: (315) 600-3376
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 309640 (NY)

Record details

NPI number1710419379
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2017
Last updated in NPPESJanuary 23, 2026
Certification dateJanuary 23, 2026

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolBRODY SCHOOL OF MEDICINE AT EAST CAROLINA UNIVERSITY
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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