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

Dr. Luke T Riordan, MD

Individual provider Internal Medicine Physician · NPI 1639708662

Dr. Luke T Riordan, MD is a Hospitalist in Middletown, New York. Qualified in 2020, 6 years ago. Practices with Ulster Physician Medicine Services PC, a 71-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
6
Licensed in
NY
In the registry since
2020
Specialties on file
2
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

707 E Main St
Middletown, NY 10940-2650
Phone: (845) 333-3370
Fax: (845) 333-3372
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 68 Harris Bushville Rd, Harris, NY 12742 — (845) 333-8484
  • 101 Nicolls Rd Rm 20, Stony Brook, NY 11794-0001 — (631) 444-7411

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 324025 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 324025 (NY)

Record details

NPI number1639708662
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2020
Last updated in NPPESFebruary 26, 2024
Certification dateFebruary 26, 2024

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Ulster Physician Medicine Services Pc — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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