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

Robert Walker, MD

Individual provider Gastroenterology Physician · NPI 1396727129

Robert Walker, MD is a Gastroenterology in Middletown, New York. Graduated from New York Medical College in 1989, 37 years ago. Practices with Honorhealth Ambulatory, a 625-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and New York.

Years since qualifying
37
Trained at
New York Medical College
Licensed in
AZ, NY
In the registry since
2005
Specialties on file
2
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

95 Crystal Run Rd
Middletown, NY 10941-7001
Phone: (845) 703-6999
Fax: (845) 703-6297
Show map & directions

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

Additional practice locations (1)

  • 1390 W 16th St, Yuma, AZ 85364-4430 — (928) 344-4325

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 199345 (NY)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 66475 (AZ)

Record details

NPI number1396727129
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 17, 2005
Last updated in NPPESNovember 14, 2024
Certification dateNovember 14, 2024
Mailing address155 Crystal Run Rd, Middletown, NY 10941-4028

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1989 (37 years in practice)
Group practice Honorhealth Ambulatory — 625 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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