John A Gelzhiser, MD - Medicare Internal Medicine in Warwick, RI

John A Gelzhiser, MD is a medicare enrolled "Internal Medicine" physician in Warwick, Rhode Island. He graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Affinity Physicians Llc. and his current practice location is 455 Toll Gate Rd, Warwick, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 737-7000.

John A Gelzhiser is licensed to practice in Rhode Island (license number PENDING) 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 1013100759.

Contact Information

John A Gelzhiser, MD
455 Toll Gate Rd,
Warwick, RI 02886-2759
(401) 737-7000
(401) 736-4265



Physician's Profile

Full NameJohn A Gelzhiser
GenderMale
SpecialityInternal Medicine
Experience20 Years
Location455 Toll Gate 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:
  • John A Gelzhiser graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1013100759
  • Provider Enumeration Date: 08/27/2007
  • Last Update Date: 08/27/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5799874574
  • Enrollment ID: I20071130000567

Medical Identifiers

Medical identifiers for John A Gelzhiser such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013100759NPI-NPPES
PENDINGMedicaidRI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine PENDING (Rhode Island)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Home & Hospice Care Of Rhode IslandProvidence, RIHospice
Beacon Hospice, An Amedisys CompanyEast providence, RIHospice
Vna Of Care New EnglandWarwick, RIHospice
Scalabrini VillaNorth kingstown, RINursing home
Brentwood Nursing HomeWarwick, RINursing home
West View Nursing And Rehabiliation CenterWest warwick, RINursing home
Sunny View Nursing Home IncWarwick, RINursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Affinity Physicians Llc.0244413391619

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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. John A Gelzhiser allows following entities to bill medicare on his behalf.
Entity NameAffinity Physicians Llc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184944662
PECOS PAC ID: 0244413391
Enrollment ID: O20110326000053

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"An outbreak of Ebola hemorrhagic fever has claimed possibly as many as 31 lives in the northeast of the Democratic Republic of Congo since May, Health Minister Felix Kabange Numbi said Thursday," Agence France-Presse reports.

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The complication/failure and morbidity rates of laparoscopic Roux-en-Y gastric bypass can be substantially reduced by the routine use of intraoperative endoscopy with the linear anastomosis technique, the results of a US study indicate.

Master regulators of cholesterol and fat play key role in liver fibrosis development

UCLA researchers have demonstrated that a key regulator of cholesterol and fat metabolism in the liver also plays an important role in the development of liver fibrosis - the build-up of collagen scar tissue that can develop into cirrhosis. Cirrhosis, in turn, is a major cause of premature death and is incurable without a liver transplant.

House votes to repeal CLASS Act — A part of the 2010 health law

The GOP-led push to repeal this long-term care insurance program, which the Obama administration already made clear it would not implement, drew some Democratic votes. During floor speeches, Republican lawmakers cast it as a barrier to achieving a real reform.

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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. John A Gelzhiser 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
John A Gelzhiser, MD
455 Toll Gate Rd,
Warwick, RI 02886-2759

Ph: (401) 737-7000
John A Gelzhiser, MD
455 Toll Gate Rd,
Warwick, RI 02886-2759

Ph: (401) 737-7000

News Archive

Children and young people with autism should be offered special teaching support

Teachers and parents must be vigilant in observing difficulties with language comprehension, reading and spelling in children and young people with autism, Asperger's syndrome and ADHD.

Ebola outbreak in DRC responsible for as many as 31 deaths, according to revised count

"An outbreak of Ebola hemorrhagic fever has claimed possibly as many as 31 lives in the northeast of the Democratic Republic of Congo since May, Health Minister Felix Kabange Numbi said Thursday," Agence France-Presse reports.

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The complication/failure and morbidity rates of laparoscopic Roux-en-Y gastric bypass can be substantially reduced by the routine use of intraoperative endoscopy with the linear anastomosis technique, the results of a US study indicate.

Master regulators of cholesterol and fat play key role in liver fibrosis development

UCLA researchers have demonstrated that a key regulator of cholesterol and fat metabolism in the liver also plays an important role in the development of liver fibrosis - the build-up of collagen scar tissue that can develop into cirrhosis. Cirrhosis, in turn, is a major cause of premature death and is incurable without a liver transplant.

House votes to repeal CLASS Act — A part of the 2010 health law

The GOP-led push to repeal this long-term care insurance program, which the Obama administration already made clear it would not implement, drew some Democratic votes. During floor speeches, Republican lawmakers cast it as a barrier to achieving a real reform.

Read more News

› Verified 4 days ago


Internal Medicine Doctors in Warwick, RI

Dr. Sterling Leaf Malish, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 455 Toll Gate Rd, Warwick, RI 02886
Phone: 401-737-7000    
Dr. John David Lowney,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1030 Warwick Ave, Warwick, RI 02888
Phone: 401-467-6257    Fax: 401-785-1191
Dr. Christian Rene Herard, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 300 Tollgate Road, Suite 302, Warwick, RI 02886
Phone: 401-738-4014    Fax: 401-738-4090
Dr. Michael Seidler, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 125 Metro Center Blvd Ste 2000, Warwick, RI 02886
Phone: 401-921-9202    Fax: 401-921-9212
Murli K Raman, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 455 Tollgate Rd, Brigham & Women's Cardiovascular Associates At Cne, Warwick, RI 02886
Phone: 401-681-4996    Fax: 401-921-6569
Dr. Jennifer F Jarbeau, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 Bald Hill Rd Ste 524, Warwick, RI 02886
Phone: 401-737-7313    Fax: 401-737-4207

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