Matthew Jonathan Spitzer, MD - Medicare Endocrinology in Greenfield, MA

Matthew Jonathan Spitzer, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Greenfield, Massachusetts. He went to State University Of New York Downstate Medical Center and graduated in 2007 and has 17 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Valley Medical Group Pc and his current practice location is 329 Conway St, Greenfield, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (413) 774-6301.

Matthew Jonathan Spitzer is licensed to practice in Massachusetts (license number 249715) 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 1770743999.

Contact Information

Matthew Jonathan Spitzer, MD
329 Conway St,
Greenfield, MA 01301-1521
(413) 774-6301
(866) 644-0871

Map and Direction




Physician's Profile

Full NameMatthew Jonathan Spitzer
GenderMale
SpecialityEndocrinology
Experience17 Years
Location329 Conway St, Greenfield, 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:
  • Matthew Jonathan Spitzer attended and graduated from State University Of New York Downstate Medical Center in 2007
  NPI Data:
  • NPI Number: 1770743999
  • Provider Enumeration Date: 06/11/2008
  • Last Update Date: 03/27/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3375783343
  • Enrollment ID: I20130716000337

Medical Identifiers

Medical identifiers for Matthew Jonathan Spitzer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770743999NPI-NPPES
110096042AMedicaidMA
57529OtherMAHEALTH NEW ENGLAND

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 249715 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cooley Dickinson Hospital Inc,theNorthampton, MAHospital
Baystate Medical CenterSpringfield, MAHospital
Baystate Franklin Medical CenterGreenfield, MAHospital
Berkshire Medical CenterPittsfield, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Valley Medical Group Pc2365348851104

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. Matthew Jonathan Spitzer allows following entities to bill medicare on his behalf.
Entity NameValley Medical Group Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912924705
PECOS PAC ID: 2365348851
Enrollment ID: O20031208000239

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. Matthew Jonathan Spitzer 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
Matthew Jonathan Spitzer, MD
329 Conway St,
Greenfield, MA 01301-1521

Ph: (413) 774-6301
Matthew Jonathan Spitzer, MD
329 Conway St,
Greenfield, MA 01301-1521

Ph: (413) 774-6301

Reviews and Comments


Internal Medicine Doctors in Greenfield, MA

Harvey M Lederman, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 48 Sanderson St, Greenfield, MA 01301
Phone: 413-773-2022    Fax: 413-773-4945
Estate Kokosadze, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 164 High St, Greenfield, MA 01301
Phone: 413-772-0211    
Dr. Katherine Anne Krauskopf, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 329 Conway St, Greenfield Health Center, Greenfield, MA 01301
Phone: 413-774-6301    Fax: 413-772-3314
Joaquin Carral, M.D.
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Medicare: Medicare Enrolled
Practice Location: 102 Main St, Greenfield, MA 01301
Phone: 413-325-8500    
Despina E Hoffman, D.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 115 Wildwood Ave, Greenfield, MA 01301
Phone: 413-773-5797    Fax: 413-773-9009
Dr. Mohammad A. Kashef, MD, MPH
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 146 Federal St, Greenfield, MA 01301
Phone: 413-534-1900    
Dr. Sunil K Dhunna, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 164 High St, Suite 200, Greenfield, MA 01301
Phone: 413-773-2840    Fax: 413-773-2841

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.