KIRON VISWAMBHARAN NAIR MD
NPI 1790209914
Internal Medicine - Hematology & Oncology in Oskaloosa, IA

Q: What is Kiron Viswambharan Nair's NPI number?

The NPI number for Kiron Viswambharan Nair is 1790209914. It was assigned to this individual provider in the NPPES registry on July 30, 2017.

Q: What is Kiron Viswambharan Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since July 30, 2017PECOS EnrolledAccepts Medicare Assignment

1229 C AVE E, OSKALOOSA, IA 52577(641) 672-3236 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, May 30, 2025, Dec 13, 2024 and 3 more (6 updates tracked since 2017).

On this page

About Kiron Viswambharan Nair Md NPPES

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

KIRON VISWAMBHARAN NAIR MD (NPI 1790209914) is an individual hematology & oncology provider in Oskaloosa, Iowa, licensed in Iowa (MD-54987) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS, is affiliated with Mahaska Health Partnership, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1790209914

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameKIRON VISWAMBHARAN NAIRCredential: MD

Location Address1229 C AVE EOskaloosa, IA 52577-4298

Mailing Address1229 C Ave EOskaloosa, IA 52577-4298 · (641) 672-3236

Phone(641) 672-3236

Sole ProprietorYes

Medical School CMSOtherGraduated 2005

Enumeration DateJuly 30, 2017

Last NPPES UpdateSeptember 11, 20256 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2025

✔ NPI 1790209914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Licenses✔ Licensed in IA · MD-54987✔ Licensed in MO · 2021040912

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

Secondary Practice Locations 4

Location 11600 N 2nd StClinton, MO 64735-1192 · Phone (660) 885-5511

Location 22316 E Meyer Blvd, 1 EastKansas City, MO 64132-1136 · Phone (816) 601-3990 · Fax (816) 276-3810

Location 31 Brookdale PlzBrooklyn, NY 11212-3139 · Phone (718) 240-5000

Location 42750 Clay Edwards Dr Lowr LevelNorth Kansas City, MO 64116-3237 · Phone (816) 691-5216 · Fax (816) 346-7869

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kiron Viswambharan Nair Md 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 ID6709266927

PECOS Enrollment IDI20220706002448, I20260204000634

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.

Areas of Expertise CMS Part B claims 7

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.

396 services153 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

77 services56 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

28 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

27 services27 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

25 services25 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.

18 services17 patients

Hospital Affiliations CMS Care Compare 4

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

Mahaska Health Partnership

Critical Access Hospitals · Oskaloosa, IA

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number161379

Location1229 C Avenue EastOskaloosa, IA 52577 · Mahaska County

Emergency services Birthing friendly

North Kansas City Hospital

Acute Care Hospitals · North Kansas City, MO

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number260096

Location2800 Clay Edwards DriveNorth Kansas City, MO 64116 · Clay County

Emergency services Birthing friendly

Golden Valley Memorial Hospital

Acute Care Hospitals · Clinton, MO

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number260175

Location1600 N 2nd StClinton, MO 64735 · Henry County

Emergency services Birthing friendly

Cass Regional Medical Center

Critical Access Hospitals · Harrisonville, MO

OwnershipGovernment - Local

CMS Certification Number261324

Location2800 E Rock Haven RoadHarrisonville, MO 64701 · Cass County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52577 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

$161.40 typical visit price

range $52.96 – $161.40

Typical copayment $40.35 (range $13.24 – $40.35)

Most-billed visit code 99205

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

NICOLE HELM PTA

Physical Therapy Assistant

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3306

MR. PHIL T PORTER PSYCHOLOGIST

Psychologist

1229 C AVE E, #300
OSKALOOSA, IA 52577

Mahaska County (641) 672-3159

MATTHEW D. OLSON M.D.

Family Medicine

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3100

MATTHEW M WILLIS CRNA

Nurse Anesthetist, Certified Registered

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3360

BAILEY R TERPSTRA LAT, ATC

Specialist/Technologist (Athletic Trainer)

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3274

STEFANIE YEARIAN ARNP

Nurse Practitioner (Psychiatric/Mental Health)

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3259

DR. PATRICIA ANN KINNE M.D.

Psychiatry & Neurology (Psychiatry)

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (502) 852-1033

CHRISTINE BEAIRD

Nurse Practitioner (Family)

1229 C AVE E
OSKALOOSA, IA 52577

Mahaska County (641) 672-3100

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 Kiron Viswambharan Nair's NPI number?

The NPI number for Kiron Viswambharan Nair is 1790209914. It was assigned to this individual provider in the NPPES registry on July 30, 2017.

Where is Kiron Viswambharan Nair located?

Kiron Viswambharan Nair practices at 1229 C Ave E, Oskaloosa, IA 52577. The listed phone number is (641) 672-3236.

What is Kiron Viswambharan Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Kiron Viswambharan Nair enrolled in Medicare?

Yes. Kiron Viswambharan 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.

What insurance does Kiron Viswambharan Nair accept?

Health plans from Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Kansas City list Kiron Viswambharan 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 Kiron Viswambharan Nair affiliated with any hospitals?

According to CMS data, Kiron Viswambharan Nair is affiliated with Mahaska Health Partnership, North Kansas City Hospital, Golden Valley Memorial Hospital and Cass Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Kiron Viswambharan Nair was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.