Dr Joseph Blaise Guarnaccia, MD - Medicare Neurology in Derby, CT

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Dr Joseph Blaise Guarnaccia, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Derby, Connecticut. He went to Des Moines University Of Osteopathic Medicine And Health Sciences and graduated in 1987 and has 37 years of diverse experience with area of expertise as Neurology. He is a member of the group practice Affinity Physicians Llc. and his current practice location is 350 Seymour Ave # 1c, Derby, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 732-1290.

Dr Joseph Blaise Guarnaccia is licensed to practice in Connecticut (license number 031179) 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 1235164427.

Contact Information

Dr Joseph Blaise Guarnaccia, MD
350 Seymour Ave # 1c,
Derby, CT 06418-1336
(203) 732-1290
(203) 732-1299

Map and Direction




Physician's Profile

Full NameDr Joseph Blaise Guarnaccia
GenderMale
SpecialityNeurology
Experience37 Years
Location350 Seymour Ave # 1c, Derby, Connecticut
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:
  • Dr Joseph Blaise Guarnaccia attended and graduated from Des Moines University Of Osteopathic Medicine And Health Sciences in 1987
  NPI Data:
  • NPI Number: 1235164427
  • Provider Enumeration Date: 07/12/2006
  • Last Update Date: 03/09/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0244391357
  • Enrollment ID: I20081208000729

Medical Identifiers

Medical identifiers for Dr Joseph Blaise Guarnaccia such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235164427NPI-NPPES
001311795MedicaidCT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 1045N (Rhode Island)Secondary
2084N0400XPsychiatry & Neurology - Neurology 031179 (Connecticut)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Griffin HospitalDerby, CTHospital
Kent County Memorial HospitalWarwick, RIHospital
Women & Infants Hospital Of Rhode IslandProvidence, RIHospital
Yale-new Haven HospitalNew haven, CTHospital
South County Hospital IncWakefield, RIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Affinity Physicians Llc.0244413391619

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 Joseph Blaise Guarnaccia allows following entities to bill medicare on his behalf.
Entity NameAffinity Physicians Llc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184944662
PECOS PAC ID: 0244413391
Enrollment ID: O20110326000053

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 Joseph Blaise Guarnaccia 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 Joseph Blaise Guarnaccia, MD
137 Cold Spring St,
New Haven, CT 06511-2205

Ph: (203) 676-7436		Dr Joseph Blaise Guarnaccia, MD
350 Seymour Ave # 1c,
Derby, CT 06418-1336

Ph: (203) 732-1290

Reviews and Comments


Psychiatry & Neurology Doctors in Derby, CT

Dr. Benjamin Joshua Zigun, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 248 Seymour Ave, Griffin Hospital, Derby, CT 06418
Phone: 203-732-7550    Fax: 203-732-1550
Dr. Raina Sotsky, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 30 Elizabeth St, Derby, CT 06418
Phone: 203-954-0543    
Dr. Edward Halstead, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-7403    Fax: 203-732-7177
Dr. Gordon Kuster, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-732-7403    Fax: 203-732-7177
Mihaela Boran, M.D.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 130 Division St, Derby, CT 06418
Phone: 203-735-7421    
Dr. Michael Jay Lustick, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 30 Elizabeth St, Derby, CT 06418
Phone: 203-954-0543    

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.