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

Thomas Holsaeter, MD

Individual provider Internal Medicine Physician · NPI 1801235965

Thomas Holsaeter, MD is an Internal Medicine in Middletown, New York. Qualified in 2013, 13 years ago. Practices with Hawaii Permanente Medical Group Inc, a 705-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona, New York and Rhode Island.

Years since qualifying
13
Licensed in
AZ, NY, RI
In the registry since
2013
Specialties on file
4
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

707 E Main St
Middletown, NY 10940-2650
Phone: (845) 333-3370
Fax: (845) 333-3372
Show map & directions

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

Additional practice locations (2)

  • 5880 S Hospital Dr, Globe, AZ 85501-9447 — (928) 425-3261
  • 68 Harris Bushville Rd, Harris, NY 12742 — (845) 333-8484

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 283790 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence LP02951 (RI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 283790 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 71935 (AZ)

Record details

NPI number1801235965
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2013
Last updated in NPPESJanuary 2, 2024
Certification dateJanuary 2, 2024
Mailing address707 E Main St, Middletown, NY 10940-2650

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Hawaii Permanente Medical Group Inc — 705 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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