Mark Chang, DO
NPI 1861954182 · Hematology & Oncology Physician · Charlotte, NC
Mark Chang, DO is a Hematology & Oncology Physician provider in Charlotte, NC (NPI 1861954182).
Provider details
- NPI number
- 1861954182
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- DO3131 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$644 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 1800 W Charleston BlvdLas Vegas, NV 89102-2329Phone: (702) 383-2000
- 1707 W Charleston Blvd Ste 100Las Vegas, NV 89102-2352Phone: (702) 676-3650Fax: (702) 676-3635
- 6900 N Pecos RdNorth Las Vegas, NV 89086-4400Phone: (702) 791-9000
Registry dates
- Enumerated
- 2019-04-04
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Mark Chang's NPI number?
- Mark Chang's National Provider Identifier (NPI) is 1861954182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chang's specialty?
- Mark Chang is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chang located?
- Mark Chang's practice location on file with NPPES is 1000 Blythe Blvd, Charlotte, NC 28203-5812.
- What is Mark Chang's phone number?
- The practice phone number listed in the NPPES registry for Mark Chang is (980) 442-2000.
- Is Mark Chang's NPI active?
- Yes — Mark Chang's NPI (1861954182) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.