ARUN NAGENDER REDDY KAITHI MD
NPI 1851578579
Psychiatry & Neurology - Psychiatry in Louisville, KY

Q: What is Arun Kaithi's NPI number?

The NPI number for Arun Kaithi is 1851578579. It was assigned to this individual provider in the NPPES registry on January 24, 2008.

Q: What is Arun Kaithi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Arun Kaithi was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since January 24, 2008PECOS EnrolledAccepts Medicare Assignment

73.19/100

CMS Quality Rating

1850 BLUEGRASS AVE, LOUISVILLE, KY 40215(502) 588-4450 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 4, 2025, Nov 14, 2023, Nov 17, 2021 and 1 more (4 updates tracked since 2017).

On this page

About Arun Nagender Reddy Kaithi Md NPPES

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

ARUN NAGENDER REDDY KAITHI MD (NPI 1851578579) is an individual psychiatry provider in Louisville, Kentucky, licensed in Kentucky (44445) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1851578579

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameARUN NAGENDER REDDY KAITHICredential: MD

Location Address1850 BLUEGRASS AVELouisville, KY 40215-1161

Mailing AddressPo Box 909Louisville, KY 40201-0909 · (502) 588-0325

Phone(502) 588-4450

Sole ProprietorYes

Medical School CMSOtherGraduated 2001

Enumeration DateJanuary 24, 2008

Last NPPES UpdateDecember 4, 20254 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1851578579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in KY · 44445

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 44445 (KY)

1850 BLUEGRASS AVE, Louisville, KY 40215

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Secondary Practice Locations 3

Location 150 Recovery DrAshland, KY 41101-8800 · Phone (606) 220-0010 · Fax (606) 744-1875

Location 2125 S Main Cross StLouisa, KY 41230-1330 · Phone (606) 638-0938 · Fax (859) 813-5394

Location 3203 S Water StLouisa, KY 41230-1347 · Phone (606) 649-2211 · Fax (606) 638-1399

Other Identifiers 2

OtherK032900KY · Medicare Ptan

Medicaid7100206350KY

Accepted Insurance

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

Arun Nagender Reddy Kaithi 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 ID6305005828

PECOS Enrollment IDI20120301000905, I20220803000631

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 Arun Kaithi reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Commonwealth Of Kentucky

0.3 mi

Multi-Specialty

1800 BLUEGRASS AVE
Louisville, KY 40215

Reassigned Medicare billing, Kentucky enrollment
19 clinicians in this Medicare group

NPI 1114346467 (502) 361-2301

University Of Louisville Phyisicians, Inc.

2.1 mi

Interventional Pain Medicine

5129 DIXIE HWY
Louisville, KY 40216

Reassigned Medicare billing, Kentucky enrollment
Medicare enrollment name: University Of Louisville Physicians Inc
2,337 clinicians in this Medicare group

NPI 1265127567 (502) 588-6000

Mandran Health PLLC

9.7 mi

Psychiatry

4010 DUPONT CIR STE 411
Louisville, KY 40207

Reassigned Medicare billing, Kentucky enrollment
8 clinicians in this Medicare group

NPI 1205281862 (502) 275-0035

Tbd Acquisition, LLC

9.9 mi

Psychiatric Hospital

1405 BROWNS LN
Louisville, KY 40207

Reassigned Medicare billing, Kentucky enrollment
14 clinicians in this Medicare group

NPI 1275953754 (502) 896-0495

Seven Counties Services, Inc.

13 mi

Mental Health (Including Community Mental Health Center)

10401 LINN STATION RD STE 100
Louisville, KY 40223

Reassigned Medicare billing, Kentucky enrollment
309 clinicians in this Medicare group

NPI 1598793671 (502) 589-8600

United Healthcare Of Hardin, Inc

27 mi

Clinical

7260 N DIXIE BLVD
Radcliff, KY 40160

Reassigned Medicare billing, Kentucky enrollment
16 clinicians in this Medicare group

NPI 1851500466 (270) 351-9444

Mt. Airy Development, LLC

97 mi

Psychiatric Hospital

2446 KIPLING AVE
Cincinnati, OH 45239

Reassigned Medicare billing, Ohio enrollment
13 clinicians in this Medicare group

NPI 1801405519 (513) 993-6211

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 5

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 straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

182 services52 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.

158 services46 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

58 services45 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.

47 services36 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40215 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

$162.27 typical visit price

range $52.76 – $162.27

Typical copayment $40.56 (range $13.19 – $40.56)

Most-billed visit code 99205

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

Most-billed visit code 99213

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.

73.19/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

58.74

Promoting Interoperability

100

Improvement Activities

Cost

51.91

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.

RICHARD BOOTH HARRIS D.O.

Anesthesiology

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 361-6617

SCOTT BRIAN BABIN M.D.

Radiology (Diagnostic Radiology)

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (865) 584-7376

PRAVEEN SESHABHATTAR M.D.

Internal Medicine (Infectious Disease)

1850 BLUEGRASS AVE, HIPS DEPT
LOUISVILLE, KY 40215

Jefferson County (502) 367-3360

CARRIE ANNE ROBERTS CRNA

Nurse Anesthetist, Certified Registered

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 852-5851

ANTHONY HARTMAN

Emergency Medicine

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 361-6000

NICHOLAS WILLIAM BONOMO

Psychiatry & Neurology (Psychiatry)

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 361-6731

DAVID M PASSAFIUME MD

Anesthesiology

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 361-6017

DR. JOHN MARSHALL WILSON MD

Anesthesiology

1850 BLUEGRASS AVE
LOUISVILLE, KY 40215

Jefferson County (502) 361-6617

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 Arun Kaithi's NPI number?

The NPI number for Arun Kaithi is 1851578579. It was assigned to this individual provider in the NPPES registry on January 24, 2008.

Where is Arun Kaithi located?

Arun Kaithi practices at 1850 Bluegrass Ave, Louisville, KY 40215. The listed phone number is (502) 588-4450.

What is Arun Kaithi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Arun Kaithi enrolled in Medicare?

Yes. Arun Kaithi 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 organizations bill Medicare for Arun Kaithi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arun Kaithi reassigns Medicare benefits to 7 organizations: Commonwealth Of Kentucky (Louisville, KY), University Of Louisville Phyisicians, Inc. (Louisville, KY), Mandran Health PLLC (Louisville, KY), Tbd Acquisition, LLC (Louisville, KY), Seven Counties Services, Inc. (Louisville, KY) and 2 more organizations, listed in the Medicare section above. Each 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 Arun Kaithi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Arun Kaithi accept?

Health plans from Anthem Blue Cross and Blue Shield and MedMutual list Arun Kaithi 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.

When was this NPI record last updated?

The NPPES record for Arun Kaithi was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.