Harish Kumar Rengarajan, MD - Medicare Internal Medicine in Port Jefferson, NY

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Harish Kumar Rengarajan, MD is a medicare enrolled "Internal Medicine" physician in Port Jefferson, New York. His current practice location is 75 N Country Rd, Port Jefferson, New York. You can reach out to his office (for appointments etc.) via phone at (631) 473-1320.

Harish Kumar Rengarajan is licensed to practice in New York (license number 296877-1) 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 1740592757.

Contact Information

Harish Kumar Rengarajan, MD
75 N Country Rd,
Port Jefferson, NY 11777
(631) 473-1320
Not Available

Map and Direction




Physician's Profile

Full NameHarish Kumar Rengarajan
GenderMale
SpecialityInternal Medicine
Location75 N Country Rd, Port Jefferson, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740592757
  • Provider Enumeration Date: 07/07/2010
  • Last Update Date: 02/01/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1355579152
  • Enrollment ID: I20230228000300

Medical Identifiers

Medical identifiers for Harish Kumar Rengarajan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740592757NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 256924 (Massachusetts)Secondary
208M00000XHospitalist 256924 (Massachusetts)Secondary
207R00000XInternal Medicine 296877-1 (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. Harish Kumar Rengarajan allows following entities to bill medicare on his behalf.
Entity NameInhospital Physicians Corp Of New Jersey, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336625425
PECOS PAC ID: 2264781780
Enrollment ID: O20180816002176

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. Harish Kumar Rengarajan 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
Harish Kumar Rengarajan, MD
100 Highlands Blvd # 9,
Port Jefferson, NY 11777-2320

Ph: (631) 473-1320		Harish Kumar Rengarajan, MD
75 N Country Rd,
Port Jefferson, NY 11777

Ph: (631) 473-1320

Reviews and Comments


Internal Medicine Doctors in Port Jefferson, NY

Jay M Barbakoff, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 60 North Country Rd, Suite 203, Port Jefferson, NY 11777
Phone: 631-928-3444    Fax: 877-434-7939
Dr. William L. Taibi, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 710 Main St, Port Jefferson, NY 11777
Phone: 631-474-4000    Fax: 631-474-4011
Arain Mohammad Nawaz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 620 Belle Terre Rd, Suite 1, Port Jefferson, NY 11777
Phone: 631-928-0240    Fax: 631-928-0855
Joan C Faro, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 75 N Country Rd, Port Jefferson, NY 11777
Phone: 631-476-2866    Fax: 631-476-2874
Dr. Mark J. Kropf, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 200 Belle Terre Road, Suite 100, Port Jefferson, NY 11777
Phone: 631-331-6090    Fax: 631-474-7855
Javeria Nasim, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 75 N Country Rd, Port Jefferson, NY 11777
Phone: 631-473-1320    Fax: 631-686-7972
Mr. Ismael V. David, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 6 Anchorage Rd, Port Jefferson, NY 11777
Phone: 631-331-4887    

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.

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