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

Nicholas M Grumbach, MD

Individual provider Internal Medicine Physician · NPI 1932105780

Nicholas M Grumbach, MD is a Pediatric Medicine in Warwick, Rhode Island. Graduated from Icahn School of Medicine at Mount Sinai in 1996, 30 years ago. Practices with Rhode Island Hospital, a 428-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Rhode Island.

Years since qualifying
30
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
RI
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.

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Practice location Address checks out

400 Bald Hill Rd Ste 520
Warwick, RI 02886-1617
Phone: (401) 793-8520
Fax: (401) 793-8527
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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 MD10410 (RI)
Pediatrics Physician Taxonomy 208000000X · Licence MD10410 (RI)

Record details

NPI number1932105780
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2005
Last updated in NPPESSeptember 30, 2015
Mailing address400 Bald Hill Rd, Suite 520, Warwick, RI 02886-1617

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1996 (30 years in practice)
Group practice Rhode Island Hospital — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Warwick