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

Dr. Santiago Wer Arrivillaga, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1083049282

Dr. Santiago Wer Arrivillaga, MD is an Internal Medicine in Cedar Knolls, New Jersey. Qualified in 2009, 17 years ago. Practices with Summit Medical Group PA, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
17
Licensed in
NJ
In the registry since
2013
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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Cedar Knolls, NJ
Fax: (973) 605-1705

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA09989100 (NJ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1083049282
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2013
Last updated in NPPESSeptember 29, 2022
Certification dateSeptember 29, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Summit Medical Group Pa — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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