Mark Chen, DO
NPI 1942838826 · Family Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chen, DO is a Family Medicine Physician provider in Las Vegas, NV (NPI 1942838826).
Provider details
- NPI number
- 1942838826
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO3431 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
910 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 326 | $72 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 160 | $59 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 132 | $39 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $76 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 75 | $24 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 50 | 26 |
| Dapagliflozin Propanediolbrand: Farxiga | 39 | — |
| Amlodipine Besylate | 30 | 15 |
| Metformin Hcl | 27 | 12 |
| Collagenase Clostridium Hist.brand: Santyl | 22 | — |
| Apixabanbrand: Eliquis | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$734 across 22 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
Registry dates
- Enumerated
- 2020-03-27
- Last updated
- 2024-06-06
- Certified
- 2024-06-06
Frequently asked questions
- What is Mark Chen's NPI number?
- Mark Chen's National Provider Identifier (NPI) is 1942838826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chen's specialty?
- Mark Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chen located?
- Mark Chen's practice location on file with NPPES is 3750 S Jones Blvd, Las Vegas, NV 89103-2208.
- What is Mark Chen's phone number?
- The practice phone number listed in the NPPES registry for Mark Chen is (702) 434-8880.
- Does Mark Chen accept Medicare?
- Mark Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chen's NPI active?
- Yes — Mark Chen's NPI (1942838826) is active in the NPPES registry as of the last update on 2024-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.