Dr. John Gelzhiser, M.D.
Internal Medicine
19+
Years in Practice
Practice Locations
7 locations
Kent County Memorial Hospital
455 Toll Gate Rd, Warwick, Rhode Island, 02886
(401) 737-7010
Affinity Physicians Llc.
455 Toll Gate Rd, Warwick, Rhode Island, 02886
(401) 737-7010
Orthopedics Rhode Island Inc
120 Centerville Rd, Warwick, Rhode Island, 02886
(401) 777-7000
Rhode Island Medical Imaging
455 Toll Gate Rd, Warwick, Rhode Island, 02886
(401) 737-7010
Affinity Physicians Llc.
101 Dudley St, Providence, Rhode Island, 02905
(401) 274-1122
About Dr. John Gelzhiser
John Gelzhiser, M.D. is a healthcare provider practicing in Warwick, RI.
Specialty 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.
22
Years Experience
7
Locations
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Internal MedicineCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 2004
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Rhode Island | PENDING | Internal Medicine |
Public Data Summary for Dr. John Gelzhiser
With 19 years of practice, Dr. John Gelzhiser is an established internal medicine provider, M.D., after earning their medical degree at Other in 2004. Dr. currently practices across 7 facilities, including Kent County Memorial Hospital in Warwick, Rhode Island. Their National Provider Identifier (NPI) is 1013100759, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. John Gelzhiser as a lower-volume internal medicine provider, treating approximately 438 Medicare beneficiaries and delivering 937 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Transparency & Safety
Public records from CMS and OIG databases
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. John Gelzhiser
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0 reviews
Internal Medicine Providers Nearby
Same primary specialty near ZIP 02886
FAQ
Frequently asked questions about Dr. John Gelzhiser
What does Dr. John Gelzhiser specialize in?
Dr. John Gelzhiser specializes in Internal Medicine.
Where does Dr. John Gelzhiser practice?
Dr. John Gelzhiser practices at Kent County Memorial Hospital in Warwick, Rhode Island. Dr. is also affiliated with 6 additional facilities, listed below.
Does Dr. John Gelzhiser accept Medicare?
CMS records show that Dr. John Gelzhiser accepts Medicare assignment. CMS billing data shows 438 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. John Gelzhiser's NPI number?
Dr. John Gelzhiser's National Provider Identifier (NPI) is 1013100759. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. John Gelzhiser been practicing?
Dr. John Gelzhiser has approximately 19 years of practice experience, having graduated from Other in 2004.