Bess Chang, D.O.
NPI 1942228515 · Neurology Physician · Las Vegas, NV
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bess Chang, D.O. is a Neurology Physician provider in Las Vegas, NV (NPI 1942228515).
Provider details
- NPI number
- 1942228515
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1056 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
8,825 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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 1,789 | $94 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 1,470 | $20 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 1,359 | $15 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 1,234 | $61 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 1,030 | $176 |
| Nerve Conduction, 13 Or More Studies |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 520 | 192 |
| Pregabalin | 376 | 131 |
| Donepezil Hcl | 125 | 47 |
| Primidone | 122 | 39 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 91 | 30 |
| Duloxetine Hcl | 89 | 39 |
| Memantine Hcl | 89 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,241 across 122 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
- 2006-07-18
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Bess Chang's NPI number?
- Bess Chang's National Provider Identifier (NPI) is 1942228515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bess Chang's specialty?
- Bess Chang is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Bess Chang located?
- Bess Chang's practice location on file with NPPES is 8530 W Sunset Rd Ste 350, Las Vegas, NV 89113-2247.
- What is Bess Chang's phone number?
- The practice phone number listed in the NPPES registry for Bess Chang is (702) 851-1065.
- Does Bess Chang accept Medicare?
- Bess Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bess Chang's NPI active?
- Yes — Bess Chang's NPI (1942228515) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.