Kelly J Ocallahan, MD - Medicare Gastroenterology in Worcester, MA

Kelly J Ocallahan, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Worcester, Massachusetts. She went to University Of Massachusetts Medical School and graduated in 1993 and has 31 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice New England Gastroenterology Associates, Pc and her current practice location is 100 Central St, Floor 4, Worcester, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (508) 831-0708.

Kelly J Ocallahan is licensed to practice in Massachusetts (license number 159560) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1427056795.

Contact Information

Kelly J Ocallahan, MD
100 Central St, Floor 4,
Worcester, MA 01608-1209
(508) 831-0708
(508) 831-0272



Physician's Profile

Full NameKelly J Ocallahan
GenderFemale
SpecialityGastroenterology
Experience31 Years
Location100 Central St, Worcester, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Kelly J Ocallahan attended and graduated from University Of Massachusetts Medical School in 1993
  NPI Data:
  • NPI Number: 1427056795
  • Provider Enumeration Date: 07/12/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0648269027
  • Enrollment ID: I20040511000166

Medical Identifiers

Medical identifiers for Kelly J Ocallahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427056795NPI-NPPES
3201601MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 159560 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Vincent HospitalWorcester, MAHospital
Umass Memorial Medical Center/university CampusWorcester, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
New England Gastroenterology Associates, Pc56986653883

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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. Kelly J Ocallahan allows following entities to bill medicare on her behalf.
Entity NameNew England Gastroenterology Associates, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497753958
PECOS PAC ID: 5698665388
Enrollment ID: O20040317000438

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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. Kelly J Ocallahan 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
Kelly J Ocallahan, MD
100 Central St, Floor 4,
Worcester, MA 01608-1209

Ph: (508) 831-0708
Kelly J Ocallahan, MD
100 Central St, Floor 4,
Worcester, MA 01608-1209

Ph: (508) 831-0708

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Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-2731    Fax: 774-442-4672
Madaiah Lokeshwari, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-6849    
Sowmya Korapati,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-3550    Fax: 774-442-6715
Irma Hashmi, DO
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Dr. Madhav Sharma, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-5438    
Daniel M Steigman, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 123 Summer Street, Suite 390, Worcester, MA 01608
Phone: 508-368-3120    Fax: 508-368-3121
Dr. Julia D Andrieni, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Department Of General Medicine, Worcester, MA 01655
Phone: 508-334-2731    

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