WON JUN PARK M.D.
NPI 1144645979
Internal Medicine - Cardiovascular Disease in Edison, NJ

Q: What is Won Jun Park's NPI number?

The NPI number for Won Jun Park is 1144645979. It was assigned to this individual provider in the NPPES registry on March 4, 2014.

Q: What is Won Jun Park's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Won Jun Park was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 March 04, 2014PECOS EnrolledAccepts Medicare Assignment

98 JAMES ST STE 104, EDISON, NJ 08820(732) 494-6300(732) 494-2490 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2026, Nov 23, 2021 (2 updates tracked since 2021).

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About Won Jun Park M.d. NPPES

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

WON JUN PARK M.D. (NPI 1144645979) is an individual cardiovascular disease provider in Edison, New Jersey, licensed in New Jersey (25MA13027400) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Sanford Worthington Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1144645979

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameWON JUN PARKCredential: M.D.

Location Address98 JAMES ST STE 104Edison, NJ 08820-3902

Mailing Address331 Newman Springs Rd Ste 220Red Bank, NJ 07701-5792 · (732) 807-0877 · Fax (201) 751-1680

Phone(732) 494-6300

Fax(732) 494-2490

Sole ProprietorYes

Medical School CMSOtherGraduated 2006

Enumeration DateMarch 4, 2014

Last NPPES UpdateJune 5, 20262 updates tracked since enumeration

NPPES CertifiedJune 5, 2026

✔ NPI 1144645979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in NJ · 25MA13027400✔ Licensed in NY · 280926

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

98 JAMES ST STE 104, Edison, NJ 08820

Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Healthy Way # E1Oceanside, NY 11572-1551 · Phone (516) 632-3672

Location 298 James St Ste 300Edison, NJ 08820-3972 · Phone (732) 548-2523 · Fax (732) 549-8827

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Sanford Health Plan and more.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

Won Jun Park 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 ID6800105545

PECOS Enrollment IDI20180226001199, I20250909003559, I20260618004111

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 Won Jun Park reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hackensack Meridian Health Medical Group - Primary Care PC

21 mi

Family Medicine

331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701

Reassigned Medicare billing, New Jersey enrollment
689 clinicians in this Medicare group

NPI 1336203538 (732) 807-0800

Mount Sinai School Of Medicine

35 mi

Cardiovascular Disease

10 E MERRICK RD STE 207
Valley Stream, NY 11580

Reassigned Medicare billing, New York enrollment
302 clinicians in this Medicare group

NPI 1942777347 (516) 256-2017

Cogent Medical Care PC

74 mi

Internal Medicine

101 HOSPITAL RD
East Patchogue, NY 11772

Reassigned Medicare billing, New York enrollment
640 clinicians in this Medicare group

NPI 1912941238 (631) 687-4131

Sanford Medical Center

1,166 mi

Family Medicine

1420 W 22NDST STE 104
Sioux Falls, SD 57105

Reassigned Medicare billing, South Dakota enrollment
1,097 clinicians in this Medicare group

NPI 1093090342 (605) 328-4897

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 16

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.

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.

918 services384 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

590 services578 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

312 services145 patients

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.

267 services152 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.

222 services146 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

62 services59 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.

56 services56 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

47 services38 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

43 services35 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.

42 services37 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

41 services39 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

40 services38 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

22 services21 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

22 services21 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.

17 services17 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Sanford Worthington Medical Center

Acute Care Hospitals · Worthington, MN

OwnershipVoluntary non-profit - Private

CMS Certification Number240022

Location1018 Sixth Avenue PO Box 997Worthington, MN 56187 · Nobles County

Emergency services Birthing friendly

Jfk Medical Center

Acute Care Hospitals · Edison, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310108

Location65 James StreetEdison, NJ 08820 · Middlesex County

Emergency services Birthing friendly

Mount Sinai Hospital

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330024

LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County

Emergency services Birthing friendly

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330198

LocationOne Healthy WayOceanside, NY 11572 · Nassau County

Emergency services Birthing friendly

Sanford Usd Medical Center

Acute Care Hospitals · Sioux Falls, SD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number430027

Location1305 W 18th St Post Office Box 5039Sioux Falls, SD 57117 · Minnehaha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08820 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$79.09 typical visit price

range $20.97 – $155.92

Typical copayment $19.77 (range $5.24 – $38.98)

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.

Other Providers at the Same Location NPPES 2

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

BRIAN SALATA

Internal Medicine (Cardiovascular Disease)

98 JAMES ST STE 104
EDISON, NJ 08820

Middlesex County (732) 494-6300

DR. KATANEH MALEKI M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

98 JAMES ST STE 104
EDISON, NJ 08820

Middlesex County (732) 966-7785

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 Won Jun Park's NPI number?

The NPI number for Won Jun Park is 1144645979. It was assigned to this individual provider in the NPPES registry on March 4, 2014.

Where is Won Jun Park located?

Won Jun Park practices at 98 James St Ste 104, Edison, NJ 08820. The listed phone number is (732) 494-6300.

What is Won Jun Park's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Won Jun Park enrolled in Medicare?

Yes. Won Jun Park 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 Won Jun Park's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Won Jun Park reassigns Medicare benefits to 4 organizations: Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ), Mount Sinai School Of Medicine (Valley Stream, NY), Cogent Medical Care PC (East Patchogue, NY) and Sanford Medical Center (Sioux Falls, SD). 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 Won Jun Park's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Won Jun Park accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Sanford Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Won Jun Park 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 Won Jun Park affiliated with any hospitals?

According to CMS data, Won Jun Park is affiliated with Sanford Worthington Medical Center, Jfk Medical Center, Mount Sinai Hospital, Mount Sinai South Nassau and Sanford Usd Medical Center.

When was this NPI record last updated?

The NPPES record for Won Jun Park was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.