Dr Jacob J Oyer, MD - Medicare Psychiatry & Neurology in Springfield, MA

Dr Jacob J Oyer, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Springfield, Massachusetts. His current practice location is 3300 Main St Ste 4a, Springfield, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (413) 794-5555.

Dr Jacob J Oyer is licensed to practice in Massachusetts (license number 274373) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1376961235.

Contact Information

Dr Jacob J Oyer, MD
3300 Main St Ste 4a,
Springfield, MA 01107-1112
(413) 794-5555
(413) 794-7130

Map and Direction




Physician's Profile

Full NameDr Jacob J Oyer
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location3300 Main St Ste 4a, Springfield, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376961235
  • Provider Enumeration Date: 03/28/2014
  • Last Update Date: 12/27/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6305064080
  • Enrollment ID: I20221101001577

Medical Identifiers

Medical identifiers for Dr Jacob J Oyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376961235NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 274373 (Maryland)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 274373 (Massachusetts)Primary

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. Dr Jacob J Oyer allows following entities to bill medicare on his behalf.
Entity NameBaystate Medical Practices Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548205909
PECOS PAC ID: 5991602971
Enrollment ID: O20040225000080

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. Dr Jacob J Oyer 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
Dr Jacob J Oyer, MD
280 Chestnut St Fl 2,
Springfield, MA 01199-1001

Ph: (413) 794-5700
Dr Jacob J Oyer, MD
3300 Main St Ste 4a,
Springfield, MA 01107-1112

Ph: (413) 794-5555

Reviews and Comments


Psychiatry & Neurology Doctors in Springfield, MA

Dr. Benjamin J Barnes, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 759 Chestnut St, Springfield, MA 01199
Phone: 413-794-4440    Fax: 413-794-5242
Beth A. Rosen, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 50 Wason Avenue, 1st Floor, Springfield, MA 01107
Phone: 413-794-5437    Fax: 413-794-8901
Stuart Alan Anfang, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 3300 Main Street, Suite 3c & 3d, Springfield, MA 01107
Phone: 413-794-7035    Fax: 413-794-7130
Deepika Sundararaj, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 759 Chestnut Street, Wg703, Springfield, MA 01107
Phone: 413-794-5555    Fax: 413-794-9803
H. Douglas Barnshaw, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 273 State St, Springfield, MA 01103
Phone: 413-736-3668    
Octavian Remus Adam, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 3300 Main St, 3rd Floor, Suite C&d, Springfield, MA 01199
Phone: 413-794-7033    Fax: 413-794-7297
Rani U Athreya, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 100 Wason Ave Ste 360, Springfield, MA 01107
Phone: 413-736-1500    Fax: 413-736-1600

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.