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VAISAK NAIR
NPI 1669939229
Internal Medicine - Infectious Disease in Florham Park, NJ

Active since March 01, 2019PECOS EnrolledAccepts Medicare Assignment
83 HANOVER RD STE 210, FLORHAM PARK, NJ 07932(973) 993-5950(973) 993-5953 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 16, 2025, Dec 28, 2022, Mar 1, 2019 (3 updates tracked since 2019).

About Vaisak Nair NPPES

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

VAISAK NAIR (NPI 1669939229) is an individual infectious disease provider in Florham Park, New Jersey, licensed in New Jersey (25MA12681000) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Cooperman Barnabas Medical Center, and is a graduate of Rush Medical College Of Rush University (2019).

NPPES Registry Identity

NPI1669939229
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameVAISAK NAIR
Location Address83 HANOVER RD STE 210Florham Park, NJ 07932-1508
Mailing Address83 Hanover Rd Ste 210Florham Park, NJ 07932-1508 · (973) 993-5950
Phone(973) 993-5950
Fax(973) 993-5953
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2019
Enumeration DateMarch 1, 2019
Last NPPES UpdateSeptember 16, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2025
✔ NPI 1669939229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NJ · 25MA12681000
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
83 HANOVER RD STE 210, Florham Park, NJ 07932
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Vaisak Nair 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 ID4789010398
PECOS Enrollment IDI20250801003160
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 Reassignment

Medicare enrollment records show Vaisak Nair reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Id Care LLC
25 mi
Infectious Disease
105 RAIDER BLVD, SUITE 101
Hillsborough, NJ 08844
  • Reassigned Medicare billing, New Jersey enrollment
  • 146 clinicians in this Medicare group
NPI 1639146277 (908) 281-0221

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

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

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310076
Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07932 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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 3

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

MORGAN STAVENIK APN
Nurse Practitioner (Family)
83 HANOVER RD STE 210
FLORHAM PARK, NJ 07932
Morris County (973) 993-5950
LUCY LI MD
Internal Medicine (Infectious Disease)
83 HANOVER RD STE 210
FLORHAM PARK, NJ 07932
Morris County (973) 993-5950
MARC PICKARD MD
Internal Medicine (Infectious Disease)
83 HANOVER RD STE 210
FLORHAM PARK, NJ 07932
Morris County (973) 993-5950

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vaisak Nair's NPI number?

The NPI number for Vaisak Nair is 1669939229. It was assigned to this individual provider in the NPPES registry on March 1, 2019.

Where is Vaisak Nair located?

Vaisak Nair practices at 83 Hanover Rd Ste 210, Florham Park, NJ 07932. The listed phone number is (973) 993-5950.

What is Vaisak Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Vaisak Nair enrolled in Medicare?

Yes. Vaisak Nair is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Vaisak Nair's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vaisak Nair reassigns Medicare benefits to Id Care LLC (Hillsborough, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vaisak Nair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vaisak Nair accept?

Health plans from Oscar Health list Vaisak Nair as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Vaisak Nair affiliated with any hospitals?

According to CMS data, Vaisak Nair is affiliated with Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Vaisak Nair was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.