Keith L Callahan, MD - Medicare Family Practice in Warwick, RI

Keith L Callahan, MD is a medicare enrolled "Family Medicine" physician in Warwick, Rhode Island. He went to Rush Medical College Of Rush University and graduated in 1995 and has 29 years of diverse experience with area of expertise as Family Practice. His current practice location is 390 Toll Gate Rd, Suite 108, Warwick, Rhode Island. You can reach out to his office (for appointments etc.) via phone at (401) 921-5672.

Keith L Callahan is licensed to practice in Rhode Island (license number MD12303) 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 1629063219.

Contact Information

Keith L Callahan, MD
390 Toll Gate Rd, Suite 108,
Warwick, RI 02886-4326
(401) 921-5672
(401) 921-5679

Map and Direction




Physician's Profile

Full NameKeith L Callahan
GenderMale
SpecialityFamily Practice
Experience29 Years
Location390 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:
  • Keith L Callahan attended and graduated from Rush Medical College Of Rush University in 1995
  NPI Data:
  • NPI Number: 1629063219
  • Provider Enumeration Date: 09/20/2005
  • Last Update Date: 09/03/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6608806047
  • Enrollment ID: I20071024000216

Medical Identifiers

Medical identifiers for Keith L Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629063219NPI-NPPES
9201212OtherRICIGNA
496-667OtherRITUFTS
AA98861OtherRIHARVARD PILGRIM
32250-6OtherRIBLUE CROSS
414283OtherRIBLUE CHIP
810900591OtherRIMULTIPLAN/PHCS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine MD12303 (Rhode Island)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kent County Memorial HospitalWarwick, RIHospital

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. Keith L Callahan allows following entities to bill medicare on his behalf.
Entity NameKeith L. Callahan M.d., P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558556266
PECOS PAC ID: 3779670666
Enrollment ID: O20071024000267

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. Keith L Callahan 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
Keith L Callahan, MD
390 Toll Gate Rd, Suite 108,
Warwick, RI 02886-4326

Ph: (401) 921-5672
Keith L Callahan, MD
390 Toll Gate Rd, Suite 108,
Warwick, RI 02886-4326

Ph: (401) 921-5672

Reviews and Comments


Family Medicine Doctors in Warwick, RI

Gregory Steinmetz, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 857 Post Rd, Associates In Primary Care, Warwick, RI 02888
Phone: 401-467-3115    Fax: 401-785-8468
Meghan Christine Gould,
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 455 Toll Gate Rd, Warwick, RI 02886
Phone: 401-737-7010    
Dr. Ashley E. Morrison, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 455 Toll Gate Rd, Warwick, RI 02886
Phone: 401-737-7000    Fax: 401-736-3546
Dawn M Cater, NPP
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1139 Main Ave, Genesis Health Care Greenwood Center, Warwick, RI 02886
Phone: 401-739-6600    Fax: 401-738-0310
Dr. Wilhelmus Albert Vanhaaren, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 399 Algonquin Dr, Warwick, RI 02888
Phone: 401-463-8406    
Dr. Olivia Gardner Stone, MD, MSC
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 455 Toll Gate Rd, Warwick, RI 02886
Phone: 401-737-7010    
Dr. Michael J Rekas, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1567 Centerville Rd, Warwick, RI 02886
Phone: 401-821-5022    Fax: 401-821-4451

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.