Dr John Richard Gavencak, MD - Medicare Allergy/immunology in East Rockaway, NY

Dr John Richard Gavencak, MD is a medicare enrolled "Allergy & Immunology - Allergy" physician in East Rockaway, New York. He went to New York Medical College and graduated in 1974 and has 50 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice New York Internal Medicine Pc and his current practice location is 400 Atlantic Ave, East Rockaway, New York. You can reach out to his office (for appointments etc.) via phone at (516) 599-2732.

Dr John Richard Gavencak is licensed to practice in New York (license number 124874) 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 1821089392.

Contact Information

Dr John Richard Gavencak, MD
400 Atlantic Ave,
East Rockaway, NY 11518-1433
(516) 599-2732
(516) 593-2075

Map and Direction




Physician's Profile

Full NameDr John Richard Gavencak
GenderMale
SpecialityAllergy/immunology
Experience50 Years
Location400 Atlantic Ave, East Rockaway, 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 John Richard Gavencak attended and graduated from New York Medical College in 1974
  NPI Data:
  • NPI Number: 1821089392
  • Provider Enumeration Date: 11/02/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9133139256
  • Enrollment ID: I20060503000348

Medical Identifiers

Medical identifiers for Dr John Richard Gavencak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821089392NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KA0200XAllergy & Immunology - Allergy 124874 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
New York Internal Medicine Pc47898191946

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 John Richard Gavencak allows following entities to bill medicare on his behalf.
Entity NameNew York Internal Medicine Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437591716
PECOS PAC ID: 4789819194
Enrollment ID: O20131021000017

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 John Richard Gavencak 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 John Richard Gavencak, MD
400 Atlantic Ave,
East Rockaway, NY 11518-1433

Ph: (516) 599-2732
Dr John Richard Gavencak, MD
400 Atlantic Ave,
East Rockaway, NY 11518-1433

Ph: (516) 599-2732

Reviews and Comments


Allergy & Immunology Doctors in East Rockaway, NY


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).

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