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

Jonathan Nasser, MD

Individual provider Pediatrics Physician · NPI 1194713347

Jonathan Nasser, MD is an Internal Medicine in Middletown, New York. Graduated from University of Virginia School of Medicine in 1997, 29 years ago. Practices with Crystal Run Healthcare Physicians LLP, a 366-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
29
Trained at
University of Virginia School of Medicine
Licensed in
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

300 Crystal Run Rd
Middletown, NY 10941-4069
Phone: (845) 703-6999
Fax: (845) 703-6297
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 214828 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 214828 (NY)

Record details

NPI number1194713347
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2005
Last updated in NPPESOctober 12, 2020
Certification dateOctober 12, 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
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Crystal Run Healthcare Physicians Llp — 366 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Middletown