Dr Gary Joseph Guarnaccia, MD - Medicare Internal Medicine in New York, NY

Dr Gary Joseph Guarnaccia, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in New York, New York. He graduated from medical school in 1974 and has 50 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 251 E 33rd St Lbby 2, New York, New York. You can reach out to his office (for appointments etc.) via phone at (212) 336-3827.

Dr Gary Joseph Guarnaccia is licensed to practice in New York (license number 124783) 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 1568458032.

Contact Information

Dr Gary Joseph Guarnaccia, MD
251 E 33rd St Lbby 2,
New York, NY 10016-4804
(212) 336-3827
(212) 388-6454

Map and Direction




Physician's Profile

Full NameDr Gary Joseph Guarnaccia
GenderMale
SpecialityInternal Medicine
Experience50 Years
Location251 E 33rd St Lbby 2, New York, New York
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 Gary Joseph Guarnaccia graduated from medical school in 1974
  NPI Data:
  • NPI Number: 1568458032
  • Provider Enumeration Date: 09/21/2005
  • Last Update Date: 06/11/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3476621053
  • Enrollment ID: I20081009000226

Medical Identifiers

Medical identifiers for Dr Gary Joseph Guarnaccia such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568458032NPI-NPPES
339541OtherNYBCBS
2206787OtherNYAETNA INS
00406542MedicaidNY
0097345OtherNYGHI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice 25MA03604200 (New Jersey)Secondary
207VG0400XObstetrics & Gynecology - Gynecology 124783 (New York)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 Gary Joseph Guarnaccia allows following entities to bill medicare on his behalf.
Entity NameGary Guarnaccia Medical Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386838548
PECOS PAC ID: 2567530140
Enrollment ID: O20081009000234

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 Gary Joseph 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 Gary Joseph Guarnaccia, MD
251 E 33rd St Lbby 2,
New York, NY 10016-4804

Ph: (212) 336-3827
Dr Gary Joseph Guarnaccia, MD
251 E 33rd St Lbby 2,
New York, NY 10016-4804

Ph: (212) 336-3827

Reviews and Comments


Obstetrics & Gynecology Doctors in New York, NY

Dr. Kathryn Keaty, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 135 Spring St, 201w Spring Ob/gyn, Pc, New York, NY 10012
Phone: 212-219-1187    Fax: 212-219-1538
Dr. Setareh Shams, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 1901 1st Ave, New York, NY 10029
Phone: 212-423-6262    
Priyanka Ghosh, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1790 Broadway, New York, NY 10019
Phone: 646-756-8282    
Dr. Bhadra B Shah, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 303 Second Ave, Suite 9, New York, NY 10003
Phone: 212-777-3920    Fax: 212-614-9376
Susan Rothenberg, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 10 Union Sq E, New York, NY 10003
Phone: 212-420-4236    
Janet Stein, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 10 Union Sq E, New York, NY 10003
Phone: 212-420-2577    
Isaac Kligman, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1305 York Ave, 6th Floor, New York, NY 10021
Phone: 646-962-3814    Fax: 646-962-0311

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.