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NICHOLAS M GRUMBACH M.D.
NPI 1932105780
Internal Medicine in Warwick, RI

Active since June 27, 2005PECOS EnrolledAccepts Medicare Assignment
400 BALD HILL RD, SUITE 520, WARWICK, RI 02886(401) 793-8520(401) 793-8527 Get Directions Write a Review

NPPES record last updated: September 30, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nicholas M Grumbach M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS M GRUMBACH M.D. (NPI 1932105780) is an individual internal medicine provider in Warwick, Rhode Island, licensed in Rhode Island (MD10410) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and is a graduate of Icahn School Of Medicine At Mount Sinai (1996).

NPPES Registry Identity

NPI1932105780
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNICHOLAS M GRUMBACHCredential: M.D.
Location Address400 BALD HILL RD, SUITE 520Warwick, RI 02886-1617
Mailing Address400 Bald Hill Rd, Suite 520Warwick, RI 02886-1617 · (401) 793-8520 · Fax (401) 793-8527
Phone(401) 793-8520
Fax(401) 793-8527
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1996
Enumeration DateJune 27, 2005
Last NPPES UpdateSeptember 30, 2015
✔ NPI 1932105780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD10410
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License MD10410 (RI)
400 BALD HILL RD, Warwick, RI 02886
Open in Google Maps ↗

Other Identifiers 4

Medicaid2067650MA
MedicaidWG33264RI
Medicare PIN007008517RI
Medicare UPINH25246

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nicholas M Grumbach M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183514193
PECOS Enrollment IDI20040316000037
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDSAY HILLENBERG
Social Worker (Clinical)
400 BALD HILL RD
WARWICK, RI 02886
Kent County (401) 349-3131
ANESTHESIA ASSOCIATES OF KENT COUNTY
Anesthesiology
400 BALD HILL RD, SUITE 503
WARWICK, RI 02886
Kent County (401) 738-7750
MISS TAMI R MENARD PA-C
Physician Assistant (Medical)
400 BALD HILL RD
WARWICK, RI 02886
Kent County (401) 444-7959
MR. PETER J REILLY NP
Nurse Practitioner
400 BALD HILL RD, SUITE 526
WARWICK, RI 02886
Kent County (401) 738-4323
MRS. TARA MABEL BRANNON BOGS PH.D.
Psychologist (Clinical)
400 BALD HILL RD, SUITE 517
WARWICK, RI 02886
Kent County (401) 732-1500
AMBER CHAMPAGNE PSYD
Psychologist (Clinical)
400 BALD HILL RD
WARWICK, RI 02886
Kent County (401) 349-3131
ROBERT G ELLISON M.D.
Internal Medicine
400 BALD HILL RD, STE 520
WARWICK, RI 02886
Kent County (401) 793-8520
MRS. DIONNA LANG MS
Counselor
400 BALD HILL RD
WARWICK, RI 02886
Kent County (401) 732-1500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nicholas Grumbach's NPI number?

The NPI number for Nicholas Grumbach is 1932105780. It was assigned to this individual provider in the NPPES registry on June 27, 2005.

Where is Nicholas Grumbach located?

Nicholas Grumbach practices at 400 Bald Hill Rd Suite 520, Warwick, RI 02886. The listed phone number is (401) 793-8520.

What is Nicholas Grumbach's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nicholas Grumbach enrolled in Medicare?

Yes. Nicholas Grumbach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Nicholas Grumbach affiliated with any hospitals?

According to CMS data, Nicholas Grumbach is affiliated with Rhode Island Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Grumbach was last updated on September 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.