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HWAN KIM M.D.
NPI 1174904023
Internal Medicine - Sleep Medicine in Leesburg, VA

Active since June 17, 2015PECOS EnrolledAccepts Medicare Assignment
92.61/100
CMS Quality Rating
19441 GOLF VISTA PLZ STE 310, LEESBURG, VA 20176(703) 729-3420 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 10, 2025, Oct 18, 2023, Apr 15, 2019 and 1 more (4 updates tracked since 2019).

About Hwan Kim M.d. NPPES

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

HWAN KIM M.D. (NPI 1174904023) is an individual sleep medicine provider in Leesburg, Virginia, licensed in Virginia (0101279380) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1174904023
Entity TypeIndividualMale
Primary Taxonomy207RS0012X
Provider Legal NameHWAN KIMCredential: M.D.
Location Address19441 GOLF VISTA PLZ STE 310Leesburg, VA 20176-8272
Mailing AddressPo Box 3250Winchester, VA 22604-2450 · (703) 673-4490 · Fax (540) 678-9025
Phone(703) 729-3420
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 17, 2015
Last NPPES UpdateOctober 10, 20254 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
✔ NPI 1174904023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RS0012X
Licenses✔ Licensed in VA · 0101279380✔ Licensed in MD · D0098600
Definition
An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
19441 GOLF VISTA PLZ STE 310, Leesburg, VA 20176
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Other Identifiers 2

Medicaid1174904023VA
Medicaid30017658760001VA

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

Hwan Kim 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 ID7517290380
PECOS Enrollment IDI20230818002656, I20231024004063
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 6

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.
157 services111 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.
109 services92 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.
100 services100 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
36 services36 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
29 services28 patients
Sleep study including heart rate, breathing, and sleep time 95800
A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20176 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

92.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.22
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 4

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

JAMES TOMKINSON MD
Pediatrics (Sleep Medicine)
19441 GOLF VISTA PLZ STE 310
LEESBURG, VA 20176
Loudoun County (703) 729-3420
SHAHRIAR SHAHZEIDI MD
Pediatrics (Sleep Medicine)
19441 GOLF VISTA PLZ STE 310
LEESBURG, VA 20176
Loudoun County (703) 729-3420
DR. SEAN D ROTOLO MD
Psychiatry & Neurology (Sleep Medicine)
19441 GOLF VISTA PLZ STE 310
LEESBURG, VA 20176
Loudoun County (703) 729-3420
DR. CHARU SABHARWAL MD
Internal Medicine (Sleep Medicine)
19441 GOLF VISTA PLZ STE 310
LEESBURG, VA 20176
Loudoun County (703) 729-3420

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 Hwan Kim's NPI number?

The NPI number for Hwan Kim is 1174904023. It was assigned to this individual provider in the NPPES registry on June 17, 2015.

Where is Hwan Kim located?

Hwan Kim practices at 19441 Golf Vista Plz Ste 310, Leesburg, VA 20176. The listed phone number is (703) 729-3420.

What is Hwan Kim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Hwan Kim enrolled in Medicare?

Yes. Hwan Kim 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.

When was this NPI record last updated?

The NPPES record for Hwan Kim was last updated on October 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.