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MARK WAN SOO CHANG MD
NPI 1174632475
Internal Medicine - Interventional Cardiology in Johnson City, TN

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
2428 KNOB CREEK ROAD, JOHNSON CITY, TN 37604(423) 282-5054(423) 230-5097 Get Directions Write a Review

NPPES record last updated: December 3, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Wan Soo Chang Md NPPES

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

MARK WAN SOO CHANG MD (NPI 1174632475) is an individual interventional cardiology provider in Johnson City, Tennessee, licensed in Tennessee (28931) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Wellmont Holston Valley Medical Center, and is a graduate of Columbia University College Of Physicians And Surgeons (1987).

NPPES Registry Identity

NPI1174632475
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameMARK WAN SOO CHANGCredential: MD
Location Address2428 KNOB CREEK ROADJohnson City, TN 37604
Mailing Address105 W Stone Dr, Suite 6aKingsport, TN 37660-3365 · (423) 408-7220 · Fax (423) 408-7405
Phone(423) 282-5054
Fax(423) 230-5097
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1987
Enumeration DateAugust 30, 2006
Last NPPES UpdateDecember 3, 2014
✔ NPI 1174632475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
Licenses✔ Licensed in TN · 28931✔ Licensed in VA · 0101059203
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 28931 (TN), 0101059203 (VA)
2428 KNOB CREEK ROAD, Johnson City, TN 37604
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Other Identifiers 14

Other4017298TN · Bcbs
Other320332VA · Anthem
Medicare UPINE77544
Medicaid790596VNC
Medicare PIN103I069106TN
Medicare ID-Type UnspecifiedC08273VA · Group #
Medicaid64001084KY
Medicaid3373123TN
Medicaid89014ATNC
Medicare ID-Type Unspecified3373123TN · Group #
Medicare ID-Type Unspecified060001138VA · Indv #
Medicare ID-Type Unspecified060066345GA · Railroad Medicare
OtherTN0102TN · Jdh
Other005867967VA · Medicaid Of Va

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.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

Mark Wan Soo Chang 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 ID9234027095
PECOS Enrollment IDI20110201000287, I20121115000579
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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
187 services175 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.
142 services112 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.
136 services116 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.
38 services38 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.
34 services29 patients
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458
This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.
22 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440017
Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County
Emergency services

Sycamore Shoals Hospital

Acute Care Hospitals · Elizabethton, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440018
Location1501 West Elk AvenueElizabethton, TN 37643 · Carter County
Emergency services

Greeneville Community Hospital

Acute Care Hospitals · Greeneville, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440050
Location1420 Tusculum BoulevardGreeneville, TN 37745 · Greene County
Emergency services Birthing friendly

Johnson City Medical Center

Acute Care Hospitals · Johnson City, TN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440063
Location400 N State Of Franklin RdJohnson City, TN 37604 · Washington County
Emergency services Birthing friendly

Franklin Woods Community Hospital

Acute Care Hospitals · Johnson City, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440184
Location300 Med Tech ParkwayJohnson City, TN 37604 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37604 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 3

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

JOSEPH C BAILEY MD
Internal Medicine (Cardiovascular Disease)
2428 KNOB CREEK ROAD, SUITE 201
JOHNSON CITY, TN 37604
Washington County (423) 282-5054
SCOTT DAVID JAY M.D., PH.D.
Internal Medicine (Cardiovascular Disease)
2428 KNOB CREEK ROAD
JOHNSON CITY, TN 37604
Washington County (423) 282-5054
HAROLD WAYNE ALISON MD
Internal Medicine (Interventional Cardiology)
2428 KNOB CREEK ROAD
JOHNSON CITY, TN 37604
Washington County (423) 282-5054

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 Mark Chang's NPI number?

The NPI number for Mark Chang is 1174632475. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Mark Chang located?

Mark Chang practices at 2428 Knob Creek Road, Johnson City, TN 37604. The listed phone number is (423) 282-5054.

What is Mark Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Mark Chang enrolled in Medicare?

Yes. Mark Chang 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 Mark Chang accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list Mark Chang 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 Mark Chang affiliated with any hospitals?

According to CMS data, Mark Chang is affiliated with Wellmont Holston Valley Medical Center, Sycamore Shoals Hospital, Greeneville Community Hospital, Johnson City Medical Center and Franklin Woods Community Hospital.

When was this NPI record last updated?

The NPPES record for Mark Chang was last updated on December 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.