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

Arthur Tolis, MD

Individual provider Internal Medicine Physician · NPI 1679573646

Arthur Tolis, MD is an Internal Medicine in Middletown, New York. Qualified in 1995, 31 years ago. Practices with Crystal Run Healthcare Physicians LLP, a 366-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
31
Licensed in
NY
In the registry since
2005
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

155 Crystal Run Rd
Middletown, NY 10941-4028
Phone: (845) 703-6999
Fax: (845) 703-6297
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 203563 (NY)

Record details

NPI number1679573646
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESOctober 16, 2020
Certification dateOctober 16, 2020
Mailing address155 Crystal Run Rd, Middletown, NY 10941-4028

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Crystal Run Healthcare Physicians Llp — 366 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Middletown