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

Dr. Mark Douglas Aierstok, MD

Individual provider Orthopaedic Surgery Physician · NPI 1881677417

Dr. Mark Douglas Aierstok, MD is a Sports Medicine in Poughkeepsie, New York. Graduated from East Tennessee State University Quillen College of Medicine in 2000, 26 years ago. Practices with Orthopaedic and Neurosurgery Specialists, PLLC, a 258-clinician group and accepts Medicare assignment. Licensed in Maine and New York.

Years since qualifying
26
Trained at
East Tennessee State University Quillen College of Medicine
Licensed in
ME, NY
In the registry since
2005
Specialties on file
3
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

1910 S Rd
Poughkeepsie, NY 12601-6027
Phone: (845) 454-0120
Fax: (845) 454-6080
Show map & directions

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

Specialties & licences

Sports Medicine (Orthopaedic Surgery) Physician (primary) Taxonomy 207XX0005X · Licence 238646 (NY)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 238646 (NY)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 017655 (ME)

Record details

NPI number1881677417
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 29, 2005
Last updated in NPPESJanuary 23, 2014
Mailing address1910 South Rd, Poughkeepsie, NY 12601-6027

Medicare enrollment

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

Medicare specialtySPORTS MEDICINE
Also practisesORTHOPEDIC SURGERY
Medical schoolEAST TENNESSEE STATE UNIVERSITY QUILLEN COLLEGE OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Orthopaedic And Neurosurgery Specialists, Pllc — 258 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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