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

Individual provider Internal Medicine Physician · NPI 1295849545

Ruth Blash, MD is an Internal Medicine in Fishkill, New York. Qualified in 1991, 35 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
35
Licensed in
NY
In the registry since
2006
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

600 Westage Business Ctr Dr
Fishkill, NY 12524-2281
Phone: (845) 231-5600
Fax: (845) 231-5489
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 375 Windsor Hwy, New Windsor, NY 12553-7902 — (845) 565-1771
  • 375 Windsor Hwy, New Windsor, NY 12553-7902 — (845) 565-1771

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 200863 (NY)

Record details

NPI number1295849545
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESMarch 17, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Optum Medical Care Pc — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Fishkill