Jonathan M Gerber, - Medicare Hematology/oncology in Worcester, MA

Jonathan M Gerber, is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Worcester, Massachusetts. He went to Johns Hopkins University School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Umass Memorial Medical Group Inc and his current practice location is 55 Lake Ave N, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 334-3550.

Jonathan M Gerber is licensed to practice in Massachusetts (license number 277350) 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 1275679201.

Contact Information

Jonathan M Gerber,
55 Lake Ave N,
Worcester, MA 01655-0002
(508) 334-3550
(774) 442-6715



Physician's Profile

Full NameJonathan M Gerber
GenderMale
SpecialityHematology/oncology
Experience25 Years
Location55 Lake Ave N, Worcester, Massachusetts
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:
  • Jonathan M Gerber attended and graduated from Johns Hopkins University School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1275679201
  • Provider Enumeration Date: 01/29/2007
  • Last Update Date: 12/03/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7214098656
  • Enrollment ID: I20190124001212

Medical Identifiers

Medical identifiers for Jonathan M Gerber such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275679201NPI-NPPES
110146802AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 277350 (Massachusetts)Primary

Medical Facilities Affiliation

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

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Umass Memorial Medical Group Inc42845398911889

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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. Jonathan M Gerber allows following entities to bill medicare on his behalf.
Entity NameUmass Memorial Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760445373
PECOS PAC ID: 4284539891
Enrollment ID: O20040113000267

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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. Jonathan M Gerber 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
Jonathan M Gerber,
Po Box 415348,
Boston, MA 02241-5348

Ph: (800) 225-8885
Jonathan M Gerber,
55 Lake Ave N,
Worcester, MA 01655-0002

Ph: (508) 334-3550

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Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D.
Hematology & Oncology
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.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-6849    
Sowmya Korapati,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-3550    Fax: 774-442-6715
Irma Hashmi, DO
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Dr. Madhav Sharma, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-5438    
Daniel M Steigman, MD
Hematology & Oncology
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.
Hematology & Oncology
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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