DR. MARK JOSHUA CHANG (DO) – Hematology & Oncology Physician, NPI 1861954182
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Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
83 HEMATOLOGY/ONCOLOGY in NV
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Provider Addresses for DR. MARK JOSHUA CHANG (DO)
West Charleston Boulevard, 18b Arts District, Las Vegas, Clark County, Nevada, 89104-1307, United States
LAS VEGAS, NV 891022312
Phone: (702) 671-2345
Fax: (702) 671-2376
Type: Mailing
University Medical Center, 1800, West Charleston Boulevard, Las Vegas, Clark County, Nevada, 89102, United States
LAS VEGAS, NV 891022329
Phone: (702) 383-2000
Type: Location
1707 W Charleston Blvd Ste 100
Las Vegas, NV 891022352
Phone: (702) 676-3650
Fax: (702) 676-3635
Type: Location
6900 N Pecos Rd
North Las Vegas, NV 890864400
Phone: (702) 791-9000
Type: Location
1800 W Charleston Blvd
Las Vegas, NV 891022329
Phone: (702) 383-2000
Type: Location
1000 BLYTHE BLVD
CHARLOTTE, NC 282035812
Phone:
Type: Mailing
3016 W CHARLESTON BLVD STE 100
LAS VEGAS, NV 891021973
Phone: (702) 676-3650
Fax: (702) 895-4014
Type: Mailing
1707 W CHARLESTON BLVD STE 100
LAS VEGAS, NV 891022352
Phone: (702) 676-3650
Fax: (702) 676-3635
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $1,062.
Total Amount is formed as General ($1,062) + Research ($0) + Ownership ($0) = $1,062.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Incyte Corporation ($338).
Total Amount
$1,062
General + Research + Ownership
Payments
11
Total payment records
General Amount
$1,062
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Incyte Corporation | $338 |
| Daiichi Sankyo Inc. | $328 |
| Lilly USA, LLC | $101 |
| Regeneron Healthcare Solutions, Inc. | $99 |
| E.R. Squibb & Sons, L.L.C. | $99 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 137 | 32 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 88 | 47 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 45 | 44 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 31 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 19 | 17 | $0 |
Insurance plans in this area (ZIP 89102)
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