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TANVI NANDANI TARUN M.D.
NPI 1811375579
Internal Medicine - Nephrology in Port Jefferson Station, NY

Active since May 14, 2015PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
815 HALLOCK AVE, PORT JEFFERSON STATION, NY 11776(631) 828-3036(631) 828-3037 Get Directions Write a Review

NPPES record last updated: February 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2025, Sep 10, 2020, Jul 9, 2020 and 3 more (6 updates tracked since 2016).

About Tanvi Nandani Tarun M.d. NPPES

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

TANVI NANDANI TARUN M.D. (NPI 1811375579) is an individual nephrology provider in Port Jefferson Station, New York, licensed in New York (328776) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1811375579
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameTANVI NANDANI TARUNCredential: M.D.
Location Address815 HALLOCK AVEPort Jefferson Station, NY 11776-1244
Mailing Address815 Hallock AvePort Jefferson Station, NY 11776-1244 · (631) 828-3036 · Fax (631) 828-3037
Phone(631) 828-3036
Fax(631) 828-3037
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMay 14, 2015
Last NPPES UpdateFebruary 4, 20256 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2025
✔ NPI 1811375579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses✔ Licensed in NY · 328776✔ Licensed in AR · E-13036
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License TRN21200 (FL), E-13036 (AR)
815 HALLOCK AVE, Port Jefferson Station, NY 11776
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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

Tanvi Nandani Tarun M.d. 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 ID4385941087
PECOS Enrollment IDI20240507002263
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 Tanvi Nandani Tarun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Shore-Lij Medical PC
36 mi
Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1053688572 (516) 321-7400

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
184 services167 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
163 services61 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
94 services52 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
46 services44 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
37 services12 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
32 services11 patients

Hospital Affiliations CMS Care Compare

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

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11776 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers46 claims5,190 services$0.31 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers38 claims4,560 services$0.18 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims720 services$0.92 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
5 suppliers48 claims48 services$17.03 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers53 claims53 services$11.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

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

LINDA WYNNE RPAC
Physician Assistant (Medical)
815 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267
MRS. DEBORAH ANN KACHERSKI N.P.
Nurse Practitioner (Family)
815 HALLOCK AVE, SUITE B
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 928-9355
LINDSAY M COMO RPAC
Physician Assistant
815 HALLOCK AVE, SUITE A
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267
KIDS FIRST PEDIATRICS, PC
Pediatrics
815 HALLOCK AVE, SUITE A
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267
MRS. KELLY ANN HARSCH NP
Nurse Practitioner (Family)
815 HALLOCK AVE
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 828-3036
DR. DAMIAN FORLETTI M.D.
Pediatrics
815 HALLOCK AVE, SUITE A
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267
DR. MAGDALENA M OLESZAK MD
Pediatrics
815 HALLOCK AVE, SUITE A
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267
THUSHANTHI SHANILA PERERA M.D.
Pediatrics
815 HALLOCK AVE, SUITE A
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 331-7267

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 Tanvi Nandani Tarun's NPI number?

The NPI number for Tanvi Nandani Tarun is 1811375579. It was assigned to this individual provider in the NPPES registry on May 14, 2015.

Where is Tanvi Nandani Tarun located?

Tanvi Nandani Tarun practices at 815 Hallock Ave, Port Jefferson Station, NY 11776. The listed phone number is (631) 828-3036.

What is Tanvi Nandani Tarun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Tanvi Nandani Tarun enrolled in Medicare?

Yes. Tanvi Nandani Tarun 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 Tanvi Nandani Tarun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tanvi Nandani Tarun reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). 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 Tanvi Nandani Tarun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Tanvi Nandani Tarun affiliated with any hospitals?

According to CMS data, Tanvi Nandani Tarun is affiliated with John T Mather Memorial Hospital Of Port Jefferson.

When was this NPI record last updated?

The NPPES record for Tanvi Nandani Tarun was last updated on February 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.