DR. LYDIA HWEI CHANG M.D.
NPI 1972570141
Internal Medicine - Pulmonary Disease in Chapel Hill, NC
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
Specialties & Licenses
Other Identifiers 3
Accepted 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
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.
Medicare Billing Reassignment
Medicare enrollment records show Lydia Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Asheville, NC 28803
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Mission Health Community Multispecialty Providers LLC
- 824 clinicians in this Medicare group
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 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.
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, NCHarris Regional Hospital
Acute Care Hospitals · Sylva, NCThe Mcdowell Hospital
Acute Care Hospitals · Marion, NCHaywood Regional Medical Center
Acute Care Hospitals · Clyde, NCAngel Medical Center
Critical Access Hospitals · Franklin, NCPhysician 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.
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.
CHAPEL HILL, NC 27599
CHAPEL HILL, NC 27599
CHAPEL HILL, NC 27599
CHAPEL HILL, NC 27599
CHAPEL HILL, NC 27599
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.
Which organization bills Medicare for Lydia Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Chang reassigns Medicare benefits to Mission Community Anesthesiology Specialists LLC (Asheville, NC). The 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 Lydia Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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 Cigna Healthcare and 1 other insurer 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, The Mcdowell Hospital, Haywood Regional Medical Center 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.
# Dr. Lydia Hwei Chang, M.D. · NPI 1972570141
Pulmonary Disease physician in Chapel Hill, North Carolina. Individual provider, active in the CMS NPPES registry since March 7, 2006.
## Identity
- **NPI:** 1972570141 (Entity type: Individual)
- **Enumerated:** March 7, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 200100849 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 130 MASON FARM RD, SUITE 4124, Chapel Hill, NC 27599-7020
- **Phone:** (919) 966-2531 · **Fax:** (919) 966-7013
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mission Community Anesthesiology Specialists LLC (NPI 1538639976, Asheville, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1998
## Record status
- **NPPES last updated:** March 6, 2014
- **Other identifiers:** Medicare UPIN H46505; Medicaid 277792 (SC); Medicare ID-Type Unspecified H465052603
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Source: [NPI Profile](https://npiprofile.com/npi/1972570141) · Data from the CMS NPPES public registry.