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

Dr. Isaac Pak, DO

Individual provider Nephrology Physician · NPI 1497249791

Dr. Isaac Pak, DO is a Critical Care (Intensivists) in Valhalla, New York. Graduated from Pacific NW Un of Hs, Col of Osteopathic Medicine in 2018, 8 years ago. Practices with John T Mather Memorial Hospital, a 180-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Trained at
Pacific NW Un of Hs, Col of Osteopathic Medicine
Licensed in
NY
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

100 Woods Rd
Valhalla, NY 10595-1530
Phone: (914) 493-7000
Show map & directions

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

Additional practice locations (2)

  • 707 E Main St, Middletown, NY 10940-2650 — (845) 333-6333
  • 75 N Country Rd, Port Jefferson, NY 11777-2119 — (631) 473-1320

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 324740 (NY)
Nephrology Physician Taxonomy 207RN0300X · Licence 324740 (NY)

Record details

NPI number1497249791
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 20, 2018
Last updated in NPPESMay 13, 2024
Certification dateMay 13, 2024
Mailing address75 N Country Rd, Port Jefferson, NY 11777-2119

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolPACIFIC NW UN OF HS, COL OF OSTEOPATHIC MEDICINE
Graduated 2018 (8 years in practice)
Group practice John T Mather Memorial Hospital — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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