Dr Fred Barry Krellenstein, PSYD - Medicare Psychologist in Syosset, NY

Dr Fred Barry Krellenstein, PSYD is a medicare enrolled "Psychologist" provider in Syosset, New York. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Clinical Psychologist. His current practice location is 8 Holly Dr, Syosset, New York. You can reach out to his office (for appointments etc.) via phone at (516) 921-3943.

Dr Fred Barry Krellenstein is licensed to practice in New York (license number 7790) 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 1538258058.

Contact Information

Dr Fred Barry Krellenstein, PSYD
8 Holly Dr,
Syosset, NY 11791-5718
(516) 921-3943
(516) 682-8210

Map and Direction




Healthcare Provider's Profile

Full NameDr Fred Barry Krellenstein
GenderMale
SpecialityClinical Psychologist
Experience41 Years
Location8 Holly Dr, Syosset, 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 Fred Barry Krellenstein graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1538258058
  • Provider Enumeration Date: 10/12/2006
  • Last Update Date: 01/10/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 0749422376
  • Enrollment ID: I20130812000540

Medical Identifiers

Medical identifiers for Dr Fred Barry Krellenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538258058NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103T00000XPsychologist 7790 (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 Fred Barry Krellenstein allows following entities to bill medicare on his behalf.
Entity NameDr Fred Krellenstein Psychologist Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215293709
PECOS PAC ID: 7113169749
Enrollment ID: O20130812000508

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 Fred Barry Krellenstein 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 Fred Barry Krellenstein, PSYD
8 Holly Dr,
Syosset, NY 11791-5718

Ph: (516) 921-3943
Dr Fred Barry Krellenstein, PSYD
8 Holly Dr,
Syosset, NY 11791-5718

Ph: (516) 921-3943

Reviews and Comments


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