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Active NPI 1932105780 Individual Practitioner Male Practitioner

Dr. Nicholas M Grumbach , MD

Internal Medicine • Warwick, RI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nicholas Grumbach, MD is a certified Internal Medicine practicing in Warwick, RI. With approximately 30 years of clinical experience since graduating from Icahn School Of Medicine At Mount Sinai in 1996, Dr. Grumbach delivers high-quality medical care to the local community at 400 BALD HILL RD.

Dr. Grumbach is affiliated with Rhode Island Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, administration of influenza virus vaccine, administration of pneumococcal vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 Bald Hill Rd
Suite 520

Warwick, RI 028861617

Telephone 4017938520
Fax 4017938527
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Icahn School Of Medicine At Mount Sinai

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Warwick, RI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +12.2 yrs vs City Avg
City Avg: 17.8 Yrs
State Avg: 27.9 Yrs
Regional Practice Density
121 Specialists

Practicing in Warwick, RI (1079 Statewide)

Telehealth Adoption Rate
10.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grumbach (30 Years) 30 Yrs
Warwick Specialty Average (17.8 Years) 17.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
17 11 $316.00 $103.18

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License RI MD10410

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.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License RI MD10410

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2067650 (MA)
Medicaid State Provider ID
WG33264 (RI)

Hospital & Practice Group Affiliations

Rhode Island Hospital

593 Eddy St, Providence, RI 029034923

Rhode Island Hospital

245 Chapman St, Providence, RI 029054539

Phone: 4014446118

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

12 Associated Practitioners
Dr. Robert Ellison , MD

Internal Medicine

NPI 1083610836

Doctor of Medicine (M.D.)

John Kochanski , PA

Physician Assistant

NPI 1295729614

Physician Assistant

Gregg Oehler , PA

Physician Assistant

NPI 1467446880

Physician Assistant

Kevin Kelley , RN, CDOE

Registered Nurse - Diabetes Educator

NPI 1497142996

Registered Nurse, CDOE

Denise Dacier , FNP

Nurse Practitioner - Family

NPI 1497160709

Family Nurse Practitioner

Dr. Neal Galinko , MD

Internal Medicine

NPI 1508862350

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
NPI Profile Active September 30, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location September 30, 2015

Registered at 400 BALD HILL RD, SUITE 520, WARWICK, RI 028861617 (Tel: 4017938520)

📍
Updated Business Mailing Address September 30, 2015

Registered at 400 BALD HILL RD, SUITE 520, WARWICK, RI 028861617 (Tel: 4017938520)

👤
Provider Name / Credentials Updated September 30, 2015

Recorded as NICHOLAS GRUMBACH, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2015

Internal Medicine (License #MD10410 in RI)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2015

Pediatrics (License #MD10410 in RI)

🟢
Initial NPI Registration & Enumeration June 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1932105780
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 27, 2005
Last Update: September 30, 2015
Sole Proprietor: No

Mailing Address

400 Bald Hill Rd, Suite 520

Warwick, RI 028861617

Phone: 4017938520

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.