DR. LYDIA HWEI CHANG M.D.
NPI 1972570141
Internal Medicine - Pulmonary Disease in Chapel Hill, NC

Q: What is Lydia Chang's NPI number?

The NPI number for Lydia Chang is 1972570141. It was assigned to this individual provider in the NPPES registry on March 7, 2006.

Q: What is Lydia Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Lydia Chang was last updated on March 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since March 07, 2006PECOS EnrolledAccepts Medicare Assignment

130 MASON FARM RD, SUITE 4124, CHAPEL HILL, NC 27599(919) 966-2531(919) 966-7013 Get Directions Write a Review

NPPES record last updated: March 6, 2014. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Lydia Hwei Chang M.d. NPPES

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

DR. LYDIA HWEI CHANG M.D. (NPI 1972570141) is an individual pulmonary disease provider in Chapel Hill, North Carolina, licensed in North Carolina (200100849) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, and is a graduate of University Of Michigan Medical School (1998).

NPPES Registry Identity

NPI1972570141

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameDR. LYDIA HWEI CHANGCredential: M.D.

Location Address130 MASON FARM RD, SUITE 4124Chapel Hill, NC 27599-7020

Mailing Address130 Mason Farm Rd, Suite 4124Chapel Hill, NC 27599-7020 · (919) 966-2531 · Fax (919) 966-7013

Phone(919) 966-2531

Fax(919) 966-7013

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1998

Enumeration DateMarch 7, 2006

Last NPPES UpdateMarch 6, 2014

✔ NPI 1972570141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in NC · 200100849

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

130 MASON FARM RD, Chapel Hill, NC 27599

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Other Identifiers 3

Medicare UPINH46505

Medicaid277792SC

Medicare ID-Type UnspecifiedH465052603

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee 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

Dr. Lydia Hwei Chang 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 ID8628009222

PECOS Enrollment IDI20071002000466

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.

322 services161 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

136 services65 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

105 services90 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.

81 services46 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

79 services74 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

71 services69 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.

71 services38 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

64 services53 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.

47 services47 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.

26 services24 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Mission Hospital And Asheville Surgery Ce

Acute Care Hospitals · Asheville, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340002

Location509 Biltmore AveAsheville, NC 28801 · Buncombe County

Emergency services Birthing friendly

Harris Regional Hospital

Acute Care Hospitals · Sylva, NC

3/5 CMS rating

OwnershipProprietary

CMS Certification Number340016

Location68 Hospital RdSylva, NC 28779 · Jackson County

Emergency services Birthing friendly

Adventhealth Hendersonville

Acute Care Hospitals · Hendersonville, NC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340023

Location100 Hospital DriveHendersonville, NC 28792 · Henderson County

Emergency services Birthing friendly

The Mcdowell Hospital

Acute Care Hospitals · Marion, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340087

Location430 Rankin Drive P O Box 730Marion, NC 28752 · Mc Dowell County

Emergency services Birthing friendly

Angel Medical Center

Critical Access Hospitals · Franklin, NC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number341326

Location124 Center Court PO Box 1209Franklin, NC 28734 · Macon County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27599 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

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

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 20

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

AJAY S GULATI MD

Pediatrics (Pediatric Gastroenterology)

130 MASON FARM RD, CAMPUS BOX 7229
CHAPEL HILL, NC 27599

Orange County (919) 966-1343

DR. ANNA DIMITRIOVNA VERGUN M.D.

Orthopaedic Surgery

130 MASON FARM RD
CHAPEL HILL, NC 27599

Orange County (919) 843-3378

SYDNEY GREENBERG

Internal Medicine

130 MASON FARM RD
CHAPEL HILL, NC 27599

Orange County (919) 966-3997

DR. CHARLES AUSTIN BAUMANN MD

Student in an Organized Health Care Education/Training Program

130 MASON FARM RD
CHAPEL HILL, NC 27599

Orange County (919) 966-9071

JASMINE BAHIYA BARROW MD

Internal Medicine (Gastroenterology)

130 MASON FARM RD, BIOINFORMATICS BUILDING CB# 7080
CHAPEL HILL, NC 27599

Orange County (240) 988-8164

DR. HUBERT JAMES FORD III M.D.

Internal Medicine (Pulmonary Disease)

130 MASON FARM RD, CB 7020
CHAPEL HILL, NC 27599

Orange County (919) 966-2531

ANTHONY PATERNO MD

Student in an Organized Health Care Education/Training Program

130 MASON FARM RD
CHAPEL HILL, NC 27599

Orange County (984) 974-5700

GABRIELLE RITACCIO MD

Internal Medicine (Gastroenterology)

130 MASON FARM RD
CHAPEL HILL, NC 27599

Orange County (984) 974-5050

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 Lydia Chang's NPI number?

The NPI number for Lydia Chang is 1972570141. It was assigned to this individual provider in the NPPES registry on March 7, 2006.

Where is Lydia Chang located?

Lydia Chang practices at 130 Mason Farm Rd Suite 4124, Chapel Hill, NC 27599. The listed phone number is (919) 966-2531.

What is Lydia Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Lydia Chang enrolled in Medicare?

Yes. Lydia 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 Lydia Chang accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee, AmeriHealth Caritas Next and Oscar Health Plan of North Carolina, Inc list Lydia 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 Lydia Chang affiliated with any hospitals?

According to CMS data, Lydia Chang is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, Harris Regional Hospital, Adventhealth Hendersonville, The Mcdowell Hospital and Angel Medical Center.

When was this NPI record last updated?

The NPPES record for Lydia Chang was last updated on March 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.