Eli Grunstein, MD - Medicare Otolaryngology in New York, NY

Eli Grunstein, MD is a medicare enrolled "Otolaryngology" physician in New York, New York. His current practice location is 3959 Broadway, 5th Floor Room 501n, New York, New York. You can reach out to his office (for appointments etc.) via phone at (212) 305-8933.

Eli Grunstein is licensed to practice in New York (license number 228604) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1295871879.

Contact Information

Eli Grunstein, MD
3959 Broadway, 5th Floor Room 501n,
New York, NY 10032-1559
(212) 305-8933
(212) 342-6401

Map and Direction




Physician's Profile

Full NameEli Grunstein
GenderMale
SpecialityOtolaryngology
Location3959 Broadway, New York, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1295871879
  • Provider Enumeration Date: 01/30/2007
  • Last Update Date: 03/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 2365482627
  • Enrollment ID: I20140227000934

Medical Identifiers

Medical identifiers for Eli Grunstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1295871879NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207YP0228XOtolaryngology - Pediatric Otolaryngology 228604 (New York)Secondary
207Y00000XOtolaryngology 228604 (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. Eli Grunstein allows following entities to bill medicare on his behalf.
Entity NameTrustees Of Columbia University In The City Of New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982993184
PECOS PAC ID: 8527972546
Enrollment ID: O20040407001360
Entity NameTrustees Of Columbia University In The Department Of Otolaryngology
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801074315
PECOS PAC ID: 5698853778
Enrollment ID: O20080416000002
Entity NameTrustees Of Columbia University In The City Of New York
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508266347
PECOS PAC ID: 8527972546
Enrollment ID: O20151201002613

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. Eli Grunstein 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
Eli Grunstein, MD
3959 Broadway, 5th Floor Room 501n,
New York, NY 10032-1559

Ph: (212) 305-8933
Eli Grunstein, MD
3959 Broadway, 5th Floor Room 501n,
New York, NY 10032-1559

Ph: (212) 305-8933

Reviews and Comments


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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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