Nicholas M Grumbach, MD - Medicare Pediatric Medicine in Warwick, RI

Nicholas M Grumbach, MD is a medicare enrolled "Internal Medicine" physician in Warwick, Rhode Island. He went to Icahn School Of Medicine At Mount Sinai and graduated in 1996 and has 28 years of diverse experience with area of expertise as Pediatric Medicine. He is a member of the group practice Rhode Island Hospital and his current practice location is 400 Bald Hill Rd, Suite 520, Warwick, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 793-8520.

Nicholas M Grumbach is licensed to practice in Rhode Island (license number MD10410) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1932105780.

Contact Information

Nicholas M Grumbach, MD
400 Bald Hill Rd, Suite 520,
Warwick, RI 02886-1617
(401) 793-8520
(401) 793-8527

Map and Direction




Physician's Profile

Full NameNicholas M Grumbach
GenderMale
SpecialityPediatric Medicine
Experience28 Years
Location400 Bald Hill Rd, Warwick, Rhode Island
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Nicholas M Grumbach attended and graduated from Icahn School Of Medicine At Mount Sinai in 1996
  NPI Data:
  • NPI Number: 1932105780
  • Provider Enumeration Date: 06/27/2005
  • Last Update Date: 09/30/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 4183514193
  • Enrollment ID: I20040316000037

Medical Identifiers

Medical identifiers for Nicholas M Grumbach such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932105780NPI-NPPES
2067650MedicaidMA
WG33264MedicaidRI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD10410 (Rhode Island)Primary
208000000XPediatrics MD10410 (Rhode Island)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rhode Island HospitalProvidence, RIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rhode Island Hospital8921900044307

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Nicholas M Grumbach allows following entities to bill medicare on his behalf.
Entity NameRhode Island Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861420333
PECOS PAC ID: 8921900044
Enrollment ID: O20040121000169

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Nicholas M Grumbach is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Nicholas M Grumbach, MD
400 Bald Hill Rd, Suite 520,
Warwick, RI 02886-1617

Ph: (401) 793-8520
Nicholas M Grumbach, MD
400 Bald Hill Rd, Suite 520,
Warwick, RI 02886-1617

Ph: (401) 793-8520

Reviews and Comments


Internal Medicine Doctors in Warwick, RI

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Mohammad Hashim Mustehsan,
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Murli K Raman, MD
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Phone: 401-681-4996    Fax: 401-921-6569

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.