Oscar David Messer, - Medicare Clinical Social Worker in Rego Park, NY

Oscar David Messer, is a medicare enrolled "Social Worker - Clinical" provider in Rego Park, New York. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Clinical Social Worker. He is a member of the group practice Integrity Social Work Services Llc and his current practice location is 6333 98th Pl Apt 2b, Rego Park, New York. You can reach out to his office (for appointments etc.) via phone at (917) 224-9628.

Oscar David Messer is licensed to practice in New York (license number R051119-1) 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 1366946972.

Contact Information

Oscar David Messer,
6333 98th Pl Apt 2b,
Rego Park, NY 11374-2317
(917) 224-9628
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameOscar David Messer
GenderMale
SpecialityClinical Social Worker
Experience39 Years
Location6333 98th Pl Apt 2b, Rego Park, 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:
  • Oscar David Messer graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1366946972
  • Provider Enumeration Date: 03/19/2018
  • Last Update Date: 03/19/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 7810245693
  • Enrollment ID: I20180810000982

Medical Identifiers

Medical identifiers for Oscar David Messer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1366946972NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical R051119-1 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Integrity Social Work Services Llc488060952849

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. Oscar David Messer allows following entities to bill medicare on his behalf.
Entity NameIntegrity Social Work Services Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972715456
PECOS PAC ID: 4880609528
Enrollment ID: O20060216000120

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. Oscar David Messer 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
Oscar David Messer,
6333 98th Pl Apt 2b,
Rego Park, NY 11374-2317

Ph: (917) 224-9628
Oscar David Messer,
6333 98th Pl Apt 2b,
Rego Park, NY 11374-2317

Ph: (917) 224-9628

Reviews and Comments


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Margarita Shakhmurov, LCSW
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Medicare: Medicare Enrolled
Practice Location: 9876 Queens Blvd, Suite 1c, Rego Park, NY 11374
Phone: 917-846-2538    Fax: 516-295-0828

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.