DR. THARUNJAN KAILAYANATHAN
NPI 1861020182
Internal Medicine in Staten Island, NY

Q: What is Tharunjan Kailayanathan's NPI number?

The NPI number for Tharunjan Kailayanathan is 1861020182. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Q: What is Tharunjan Kailayanathan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment

475 SEAVIEW AVE, STATEN ISLAND, NY 10305(973) 234-6922 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 8, 2024, Oct 2, 2021, Apr 26, 2021 and 2 more (5 updates tracked since 2020).

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About Dr. Tharunjan Kailayanathan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THARUNJAN KAILAYANATHAN (NPI 1861020182) is an individual internal medicine provider in Staten Island, New York, licensed in New Jersey (25MA12257400) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Newton Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1861020182

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. THARUNJAN KAILAYANATHAN

Location Address475 SEAVIEW AVEStaten Island, NY 10305-3436

Mailing Address95 Gaywood AveColonia, NJ 07067-2044 · (973) 234-6922

Phone(973) 234-6922

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateMarch 31, 2020

Last NPPES UpdateNovember 8, 20245 updates tracked since enumeration

NPPES CertifiedNovember 8, 2024

✔ NPI 1861020182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA12257400

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

475 SEAVIEW AVE, Staten Island, NY 10305

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Tharunjan Kailayanathan is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648703041

PECOS Enrollment IDI20241023003602

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Tharunjan Kailayanathan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Practice Associates Medical Group

24 mi

Internal Medicine

100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
1,699 clinicians in this Medicare group

NPI 1427016385 (844) 264-2250

Omega Physicians LLC

62 mi

Internal Medicine

103 OLD MARLTON PIKE STE 124
Medford, NJ 08055

Reassigned Medicare billing, New Jersey enrollment
24 clinicians in this Medicare group

NPI 1629653563 (888) 575-9162

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Newton Medical Center

Acute Care Hospitals · Newton, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310028

Location175 High StNewton, NJ 07860 · Sussex County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. DAWN MARIE COTTONE RPA-C

Physician Assistant (Surgical)