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JI YON KWON M.D.
NPI 1992145460
Internal Medicine in Marriottsville, MD

Active since June 28, 2013PECOS EnrolledAccepts Medicare Assignment
2400 LONGSTONE LN STE 106, MARRIOTTSVILLE, MD 21104(410) 480-1895(410) 480-4955 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 27, 2021, Apr 25, 2018, Aug 29, 2016 and 2 more (5 updates tracked since 2016).

About Ji Yon Kwon M.d. NPPES

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

JI YON KWON M.D. (NPI 1992145460) is an individual internal medicine provider in Marriottsville, Maryland, licensed in Maryland (D81315) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Saint Agnes Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1992145460
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJI YON KWONCredential: M.D.
Location Address2400 LONGSTONE LN STE 106Marriottsville, MD 21104-1532
Mailing Address2400 Longstone Ln Ste 106Marriottsville, MD 21104-1532 · (410) 480-1895 · Fax (410) 480-4955
Phone(410) 480-1895
Fax(410) 480-4955
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 28, 2013
Last NPPES UpdateDecember 27, 20215 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
✔ NPI 1992145460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D81315
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2400 LONGSTONE LN STE 106, Marriottsville, MD 21104
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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

Ji Yon Kwon 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 ID6901103530
PECOS Enrollment IDI20160809002278
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 11

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.
654 services334 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.
217 services166 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
190 services190 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
83 services81 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
78 services78 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
67 services67 patients

Hospital Affiliations CMS Care Compare

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

Saint Agnes Hospital

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210011
Location900 Caton AvenueBaltimore, MD 21229 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21104 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
26 suppliers85 claims187 services$5.67 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
17 suppliers47 claims54 services$1.03 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 3

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

PRIVIA MEDICAL GROUP, LLC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2400 LONGSTONE LN STE 106
MARRIOTTSVILLE, MD 21104
Howard County (410) 770-2793
DR. MAHFUZUL HAQUE KHAN M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2400 LONGSTONE LN STE 106
MARRIOTTSVILLE, MD 21104
Howard County (410) 770-2793
ELIZABETH S BOWER MD
Internal Medicine
2400 LONGSTONE LN STE 106
MARRIOTTSVILLE, MD 21104
Howard County (410) 480-1895

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 Ji Yon Kwon's NPI number?

The NPI number for Ji Yon Kwon is 1992145460. It was assigned to this individual provider in the NPPES registry on June 28, 2013.

Where is Ji Yon Kwon located?

Ji Yon Kwon practices at 2400 Longstone Ln Ste 106, Marriottsville, MD 21104. The listed phone number is (410) 480-1895.

What is Ji Yon Kwon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ji Yon Kwon enrolled in Medicare?

Yes. Ji Yon Kwon 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.

Is Ji Yon Kwon affiliated with any hospitals?

According to CMS data, Ji Yon Kwon is affiliated with Saint Agnes Hospital.

When was this NPI record last updated?

The NPPES record for Ji Yon Kwon was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.